Molecule library
Every molecule in the catalog renders from a real PDB structure — drag to rotate, scroll to zoom, click any card for the formula, atoms, weight, and downloads.
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Artemisinin
Antimalarial endoperoxide
Aspirin
NSAID; COX inhibitor
Benzene
Prototypical aromatic; carcinogen; resonance icon
Caffeine
Adenosine antagonist; stimulant
Capsaicin
Chili pepper TRPV1 agonist
Cortisol
Stress glucocorticoid
Dopamine
Reward; Parkinson's; catecholamine
Insulin
Peptide hormone; type-1 diabetes first-line
Morphine
Opioid analgesic
NAD+
Redox cofactor (e- acceptor)
Penicillin G
First-line β-lactam
Acetylcholine
Neuromuscular junction transmitter
Adrenaline (epinephrine)
Fight-or-flight catecholamine
Alprazolam
Benzodiazepine; panic disorder
Amphetamine
CNS stimulant
Ascorbic acid (C)
Antioxidant; collagen hydroxylation
Atorvastatin
Statin; cholesterol lowering
Bisphenol A
Polycarbonate + epoxy monomer; endocrine concern
Cannabidiol (CBD)
Non-psychoactive cannabinoid
Chloroform
NMR solvent (CDCl3); former anesthetic
Cholecalciferol (vitamin D3)
Bone mineralization hormone
Cholesterol
Membrane sterol; hormone precursor
Cocaine
DAT inhibitor; topical anesthetic
Dexamethasone
Potent glucocorticoid
Diazepam
Benzodiazepine; anxiolytic
Diethyl ether
Classic solvent; former anesthetic
Estradiol
Primary estrogen
Fentanyl
Synthetic opioid; potent
Fluoxetine
SSRI; Prozac
Folic acid (B9)
One-carbon transfer; DNA synthesis
GABA
Inhibitory neurotransmitter
Glutamate
Excitatory NT; NMDA/AMPA
LSD
5-HT2A agonist psychedelic
MDMA
Empathogen-entactogen; ecstasy
Methamphetamine
Potent CNS stimulant; controlled
Naloxone
Opioid overdose reversal
Nicotine
Tobacco alkaloid; nAChR agonist
Psilocybin
Psychedelic mushroom phosphate
Quinine
Antimalarial; tonic flavor
Serotonin
Mood + sleep + gut motility
Sildenafil
PDE5 inhibitor; Viagra
Testosterone
Primary androgen
THC
Cannabis psychoactive; CB1 agonist
Urea
Wöhler's organic synthesis milestone; fertilizer
Vanillin
Vanilla flavor compound
Warfarin
Vitamin K antagonist anticoagulant
(-)-Menthol
Cooling sensation; mint
Amoxicillin
Broad-spectrum penicillin
ATP
Energy currency of cells
Atropine
Anticholinergic; mydriatic
cAMP
Second messenger
Ciprofloxacin
Fluoroquinolone; DNA gyrase inhibitor
Clopidogrel
P2Y12 antiplatelet
Codeine
Opioid analgesic; cough
Cortisone
Inactive cortisol precursor; anti-inflammatory
Creatine
Muscle energy buffer
Curcumin
Turmeric pigment; anti-inflammatory
Formaldehyde
Simplest aldehyde; tissue fixative; resin
Haloperidol
Typical antipsychotic
Histamine
Allergic + gastric secretion
Isoniazid
Anti-tuberculosis
Melatonin
Circadian rhythm regulator
Mescaline
Peyote cactus phenethylamine
Niacin (B3)
NAD/NADP precursor
Ozone
UV-shielding allotrope; strong oxidizer
Phylloquinone (K1)
Blood clotting carboxylase
Polyethylene (repeat)
PE; world's most produced plastic
Prednisone
Glucocorticoid anti-inflammatory
Progesterone
Pregnancy hormone
Reserpine
Antihypertensive; VMAT inhibitor
Resveratrol
Grape polyphenol; SIRT1 activator
Retinol (vitamin A)
Vision; epithelial differentiation
Scopolamine
Anticholinergic; motion sickness
Sertraline
SSRI; Zoloft
Strychnine
Glycine receptor antagonist; convulsant
Sulfanilamide
First sulfa drug; folate inhibitor
Tadalafil
Long-acting PDE5; Cialis
Theobromine
Chocolate alkaloid; mild stimulant
Thiamine (B1)
Thiamine pyrophosphate cofactor
Thyroxine (T4)
Iodothyronine; metabolism
Zolpidem
Z-drug; sleep aid
![[6]-Gingerol](/molecules/gingerol/thumb.avif)
[6]-Gingerol
Ginger pungent compound
1-Bromopropane
Primary alkyl halide; SN2 substrate
1-Butanol
Biofuel candidate; lacquer solvent
1-Butene
Polymer comonomer
1-Butyne
Terminal alkyne
1-Hexene
LLDPE comonomer
1-Pentanol
Amyl alcohol; flavor solvent
1-Pentene
Terminal alkene; LDPE comonomer
1-Propanol
Primary alcohol solvent
1,2,3-Triazole
Click chemistry product (CuAAC)
1,3-Butadiene
Synthetic rubber monomer; conjugated diene
1,3-Butadiene (BR monomer)
Synthetic rubber monomer
1,3,5-Triazine
Melamine + cyanuric acid core
1,4-Dioxane
Cyclic diether solvent
2-Bromopropane
Secondary alkyl halide; SN1/E1 substrate
2-Butyne
Internal alkyne
2-Deoxy-D-ribose
DNA backbone
2-Methylpentane
Branched C6 isomer
2,2-Dimethylbutane
Branched C6; gasoline component
2,3-Pentanedione
Buttery flavor; alpha-diketone
2,4,6-Trinitrotoluene
Military explosive; symmetric aromatic trinitro
3-Methylpentane
Branched C6 isomer
4-Methyl-2-pentanone (MIBK)
MIBK solvent
5-Hydroxymethylfurfural (HMF)
Biomass platform chemical
7-Dehydrocholesterol
Vitamin D3 precursor in skin
Acenaphthylene
PAH with cyclopenta ring
Acetaldehyde
Ethanol metabolite; toxic intermediate
Acetamide
Primary amide; plasticizer
Acetaminophen (paracetamol)
Analgesic + antipyretic
Acetic acid
Vinegar; archetypal weak acid
Acetic anhydride
Acetylation reagent; aspirin synthesis
Acetone
Simplest ketone; common solvent; nail polish remover
Acetonitrile
Polar aprotic solvent; HPLC mobile phase
Acetophenone
Aryl methyl ketone; Friedel-Crafts product
Acetylacetone
1,3-diketone; enol tautomer demo; acac ligand
Acetylene
Welding gas; sp-hybridized; weak acid
Acridine
DNA intercalator; dye
Acrolein
Burnt-fat odor; toxic α,β-unsaturated
Acrylic acid
Acrylate polymers; super-absorbents
Acrylonitrile
PAN polymer; Michael acceptor
Acrylonitrile (PAN monomer)
Carbon-fiber precursor monomer
Adamantane
Cage structure; diamond unit cell motif
Adenine
DNA/RNA purine base; pairs with T/U
Adipic acid
Nylon-6,6 monomer
Adiponitrile
Hexamethylenediamine precursor
ADP
ATP-1 phosphate form
Alanine
Methyl side chain
Aldosterone
Salt-regulating mineralocorticoid
Ammonia
Haber-Bosch product; fertilizer feedstock; base
AMP
Energy-low signaling nucleotide
Ampicillin
Aminopenicillin
Amylose (repeat unit)
Linear starch component
Aniline
Aryl amine; dye industry foundation
Anisole
Methoxybenzene; activated aromatic
Anthracene
Linear tricyclic PAH; fluorescent dye
Arachidonic acid
C20:4 ω-6; prostaglandin precursor
Arginine
Most basic AA; NO precursor
Asparagine
Amide side chain; glycosylation site
Aspartame
Artificial sweetener; Asp-Phe methyl ester; 200x sweeter than sucrose
Aspartic acid
Acidic AA
Aziridine
3-ring amine; alkylating warhead
Benzaldehyde
Almond aroma; aldol substrate
Benzimidazole
Drug scaffold; PPI precursor
![Benzo[a]pyrene](/molecules/benzopyrene/thumb.avif)
Benzo[a]pyrene
Tobacco-smoke carcinogen; DNA adduct former
Benzofuran
Fused O-heterocycle
Benzoic acid
Preservative E210; melting-point standard
Benzonitrile
Aromatic nitrile; coordinative solvent
Benzophenone
UV blocker; photochemistry sensitizer
Benzothiazole
Rubber vulcanization accelerator core
Benzothiophene
Fused S-heterocycle; coal-tar
Benzoxazole
Fused O+N scaffold
Benzyl alcohol
Preservative; solvent; fragrance
Benzyl cation
Resonance-stabilized benzylic cation
Benzyl chloride
Benzyl-cation stabilized; SN1/SN2 dual
Benzylamine
Primary benzylic amine
Berberine
Antimicrobial isoquinoline alkaloid
Biotin (B7)
Carboxylase cofactor
Biphenyl
PCB scaffold; heat transfer fluid
Bromobenzene
Aryl Grignard precursor
Bromomethane
Methylating agent; fumigant
Butane
Lighter fluid; LPG component
Butyl acetate
Fruity solvent; coatings
Butyraldehyde
Butanal; perfumery
Butyric acid
C4:0; gut microbiome SCFA
Butyric acid
Rancid butter odor; gut microbiome
Caffeine (tea)
Same as caffeine; tea origin
Calcium carbonate
Limestone; chalk; antacid
Camphor
Bicyclic terpenoid ketone; topical balm
Capric acid
C10:0 MCT
Caproic acid
C6:0; goat milk
Caproic acid
Hexanoic acid; goaty odor
Caprolactam
Nylon-6 monomer
Caprylic acid
C8:0 MCT; coconut
Carbazole
OLED hole-transport material
Carbon dioxide
Greenhouse gas; combustion product; photosynthesis input
Carbon monoxide
Toxic gas; reducing agent; metal-carbonyl ligand
Carbon tetrachloride
Banned ozone-depleter; radical initiator solvent
Carvacrol
Oregano oil; antimicrobial
Carvone
Spearmint/caraway enantiomers
Catechol
1,2-dihydroxybenzene; redox-active
Celecoxib
Selective COX-2 inhibitor
Cellobiose
Two glucose β-1,4; cellulose hydrolysis
Cephalexin
First-gen cephalosporin
Cetirizine
H1 antihistamine
Chlorine
Halogen oxidizer; water treatment; chlorination
Chlorobenzene
Aryl halide; SNAr substrate
Chloroethane
Ethylating agent; topical anesthetic
Chloromethane
Methylating agent; refrigerant
Cholic acid
Bile acid
Choline
ACh + phospholipid precursor
Chrysene
PAH; coal-tar component
Cinnamaldehyde
Cinnamon flavor
cis-2-Butene
cis isomer; geometric isomerism demo
Citral
Lemon aldehyde
Citric acid
Citrus acid; TCA cycle namesake
Corannulene
Bowl-shaped PAH; buckybowl
Coronene
Hexagonal PAH; graphene fragment
Cubane
Cubic carbon framework; high strain
Cyanuric acid
Pool sanitizer stabilizer
Cyclobutane
Strained 4-ring; puckered conformation
Cyclohexane
Chair/boat conformation classic; non-polar solvent
Cyclohexanol
Nylon-6 precursor; ring-puckering demo
Cyclohexanone
Nylon precursor; lab solvent
Cyclohexene
Diels-Alder substrate; bromination demo
Cyclopentadiene
Diels-Alder diene; Cp- ligand precursor
Cyclopentane
Envelope conformation; near-strainless
Cyclopropane
Highly strained; banana bonds; former anesthetic
Cysteine
Thiol; disulfide bond formation
Cytosine
DNA/RNA pyrimidine; pairs with G
D-Erythrose
Pentose phosphate pathway
D-Fructose
Fruit sugar; furanose form
D-Galactose
Milk sugar component; C4 epimer of glucose
D-Glucose
Primary blood sugar; pyranose form
D-Glyceraldehyde
Simplest aldose; chirality reference
D-Limonene
Citrus monoterpene
D-Mannose
C2 epimer of glucose; UTI prophylaxis
D-Ribose
RNA backbone
D-Ribulose
Calvin cycle ketose
D-Threose
TNA backbone; primordial nucleic acid?
D-Xylose
Wood sugar; pentose
DCC
Peptide-coupling dehydrating agent
Decalin
cis/trans-fused bicyclic; conformational analysis
Decane
Kerosene component
DHA
C22:6 ω-3; brain/retina
DHEA
Adrenal androgen precursor
Diacetyl
Buttery flavor; popcorn lung concern
DIBAL-H
Partial-reduction of esters to aldehydes
Dichlorodifluoromethane (Freon-12)
Banned CFC refrigerant
Dichloromethane
DCM; common extraction solvent
Diclofenac
NSAID
Diethyl malonate
Malonic ester synthesis; alpha-anion source
Diethylamine
Secondary amine; rubber chemicals
Dihydroxyacetone
Glycolysis triose; self-tanner
Diisopropyl ether
Peroxide-prone ether solvent
Dimedone
5,5-dimethyl-1,3-cyclohexanedione; aldehyde test
Dimethyl carbonate
Green methylating agent
Dimethylamine
Secondary amine; rubber accelerator
DIPEA (Hünig's base)
Bulky non-nucleophilic base
Diphenhydramine
Sedating H1 antihistamine
Diphenylamine
Antioxidant; OLED material
DMAc
Polar aprotic solvent
DMF
Common polar aprotic solvent
Dodecane
Diesel surrogate; jet fuel component
EDC·HCl
Water-soluble peptide coupling reagent
Elaidic acid (trans-oleic)
Trans-fat; cardiovascular risk
EPA
C20:5 ω-3; fish oil
Epichlorohydrin
Epoxy resin monomer
Ergocalciferol (vitamin D2)
Plant-derived vitamin D
Ergosterol
Fungal membrane sterol; antifungal target
Erucic acid
C22:1; rapeseed oil
Erythritol
Sugar alcohol sweetener
Erythromycin
Macrolide; 50S ribosome
Ethane
Two-carbon alkane; natural gas component
Ethanol
Beverage alcohol; fuel; solvent
Ethanolamine
Phospholipid head group; CO2 scrubber
Ethyl acetate
Fruity solvent; nail polish
Ethyl formate
Rum/raspberry flavor
Ethylamine
Primary amine; drug precursor
Ethylbenzene
Styrene precursor
Ethylene
Plant hormone; polyethylene monomer
Ethylene glycol
Antifreeze; PET precursor
Ethylene oxide
Epoxide reagent; sterilant
Ethylenediamine
Bidentate ligand; EDTA precursor
Eugenol
Clove essential oil; dental analgesic
Farnesol
Sesquiterpene alcohol
Fluoranthene
PAH; benzopyrene metabolic context
Fluorene
OLED material scaffold; acidic CH
Formamide
Simplest amide; polar solvent
Formic acid
Simplest carboxylic acid; ant venom
Fumaric acid
trans-butenedioic; TCA cycle
Furan
5-ring aromatic O-heterocycle
Furfural
From pentose dehydration; bio-refinery feedstock
Geraniol
Rose + geranium oil
Glipizide
Sulfonylurea; insulin secretion
Glucuronic acid
Phase II detox conjugation
Glutamic acid
Acidic AA; MSG flavor
Glutamine
Amide side chain; N storage
Glutaric acid
C5 dicarboxylic; nylon precursor
Glycerol
Triol; humectant; lipid backbone
Glycerol-3-phosphate
Triacylglycerol synthesis precursor
Glycine
Simplest amino acid; non-chiral
Glycine (NT)
Inhibitory spinal NT
Glycolic acid
Alpha-hydroxy acid; skincare
Glycolide (PGA monomer)
Bioabsorbable polymer monomer
Glyoxal
Dialdehyde; crosslinker
Grubbs II
Olefin metathesis catalyst
Guanine
DNA/RNA purine; pairs with C
Heparin disaccharide unit
Anticoagulant glycosaminoglycan unit
Heptane
Octane-rating zero reference
Heroin
Diacetylmorphine; more lipophilic than morphine crosses BBB faster
Hexadecane (cetane)
Cetane number reference
Hexamethylbenzene
Fully substituted benzene; X-ray reference
Hexamethylenediamine
Nylon-6,6 monomer
Hexane
Common organic solvent; oil extraction
Histidine
Imidazole side chain; enzyme catalysis
Hydrocortisone
Topical/systemic glucocorticoid
Hydrogen
Lightest element; reducing agent; clean fuel
Hydrogen chloride
Strong acid in aqueous (HCl); gas in pure form
Hydrogen cyanide
Highly toxic; gold cyanidation
Hydrogen peroxide
Oxidizing agent; bleach; antiseptic
Hydrogen sulfide
Rotten-egg odor gas; toxic; weak acid
Hydroquinone
1,4-dihydroxybenzene; photo developer; skin lightener
Hydroxyproline
Collagen-stabilizing modified AA
Hyoscyamine
Belladonna tropane alkaloid
Hypoxanthine
tRNA inosine base; gout pathway
Ibuprofen
NSAID; analgesic
Imidazole
His side chain; histamine; ionic liquid base
Indene
Indenyl ligand precursor; coal-tar fraction
Indole
Tryptophan + serotonin + IAA core
Iodobenzene
Cross-coupling substrate
Iodomethane
SN2 substrate textbook; methylating reagent
Isobutane
Branched C4; refrigerant
Isobutanol
Fermentation byproduct
Isobutylene
Butyl rubber monomer
Isobutyraldehyde
Branched C4 aldehyde
Isoleucine
BCAA; energy metabolism
Isooctane (2,2,4-trimethylpentane)
Octane-rating 100 reference
Isopentane
Branched C5; ultra-low-T cryogen
Isophorone
α,β-unsaturated cyclic ketone
Isoprene
Natural rubber monomer; terpene unit
Isopropanol
Rubbing alcohol; lab solvent
Isoquinoline
Alkaloid scaffold (papaverine)
Isoxazole
1,2-positioned O+N; drug scaffold
Jacobsen catalyst
Asymmetric epoxidation
L-Arabinose
Plant gum pentose
L-Fucose
Deoxysugar; blood group antigen
L-Rhamnose
Plant deoxysugar
Lactic acid
Muscle fatigue; fermentation; PLA monomer
Lactide (PLA monomer)
Bio-PLA monomer; lactic-acid cyclic dimer
Lactose
Milk sugar; galactose-glucose
Lanosterol
Cholesterol biosynthesis branch point
Lauric acid
C12:0; coconut oil
LDA
Hindered non-nucleophilic base
Leucine
BCAA; mTOR activator
Leukotriene B4
Inflammatory leukotriene
Levodopa
Parkinson's dopamine prodrug
Levothyroxine
Thyroid hormone replacement
LiAlH4 (LAH)
Strong hydride reductant
Linalool
Lavender essential oil
Linoleic acid
C18:2 ω-6; essential
Loratadine
Non-sedating antihistamine
Lysine
Basic AA; acetylation site
m-Xylene
meta-dimethylbenzene; isophthalic acid feedstock
Maleic acid
cis-butenedioic; resin monomer
Maleic anhydride
Diels-Alder dienophile; resin monomer
Malic acid
Sour apples; TCA cycle
Malonic acid
Malonate ester synthesis backbone
Maltose
Two glucose α-1,4; starch digestion product
Mannitol
Sugar alcohol; osmotic diuretic
MDI (PU monomer)
Polyurethane diisocyanate
Melamine
Plastic resin; protein-adulterant scandal
MeMgBr
Grignard methyl source
Menaquinone-4 (K2)
Bone + arterial K vitamer
Menthone
Mint terpene ketone
Mesitylene
1,3,5-trimethylbenzene
Metformin
Antidiabetic; AMPK activator
Methacrylic acid
PMMA precursor
Methane
Simplest alkane; natural gas main component
Methanol
Simplest alcohol; toxic; antifreeze; fuel
Methionine
Start codon; methyl donor (SAM)
Methyl acetate
Pleasant odor solvent
Methyl ethyl ketone (MEK)
Industrial solvent; lacquer
Methyl salicylate
Wintergreen oil; topical analgesic
Methyl tert-butyl ether (MTBE)
Gasoline oxygenate; extraction solvent
Methyl vinyl ketone (MVK)
Michael acceptor textbook
Methylamine
Simplest primary amine; fishy odor
Methylcyclohexane
Axial vs equatorial conformer demo
Methyllithium
Methyl carbanion source
MMA (PMMA monomer)
Acrylic glass monomer
Morphine (alkaloid view)
Opium poppy alkaloid
Morpholine
O+N heterocycle; corrosion inhibitor
Myrcene
Hops + cannabis monoterpene
Myristic acid
C14:0; nutmeg
N-Acetylglucosamine (chitin unit)
Chitin/insect exoskeleton monomer
N-Acetylneuraminic acid
Cell surface; virus binding
n-BuLi
Strong base + alkyl carbanion source
NaBH4
Mild hydride reductant
Naphthalene
Bicyclic PAH; mothballs
Naproxen
NSAID; long-acting
Neopentane
Highly branched C5; tetrahedrally symmetric
Nitric acid
Strong oxidizing acid; nitration source
Nitrogen
Atmosphere main component; inert gas
Nitroglycerin
Explosive plus vasodilator; releases NO for angina
NMP
Battery slurry + Li-ion solvent
Nonane
Mid-distillate hydrocarbon
Noradrenaline
Stress catecholamine
Norbornane
Bicyclic[2.2.1] scaffold; bridge-bond textbook
o-Cresol
Disinfectant; resin component
o-Xylene
ortho-dimethylbenzene; phthalic acid feedstock
Octane
Gasoline component
Olanzapine
Atypical antipsychotic
Oleic acid
C18:1 ω-9; olive oil
Omeprazole
Proton pump inhibitor
Oxalic acid
Dicarboxylic; calcium binder; rhubarb
Oxalyl chloride
Swern oxidation activator + acyl chloride prep
Oxazole
O+N 5-ring; natural product scaffold
Oxetane
Strained 4-ring ether; drug discovery motif
Oxygen
Oxidizer; combustion; respiration
Oxytocin
Cyclic nonapeptide with disulfide; labor and social bonding hormone
p-Xylene
para-dimethylbenzene; PET feedstock
Paclitaxel
Anticancer taxane; microtubule stabilizer
Paclitaxel
Microtubule stabilizer; anticancer
Palmitic acid
C16:0 saturated; palm oil
Pantothenic acid (B5)
CoA precursor
Papaverine
Isoquinoline alkaloid; smooth muscle relaxant
Penicillin G
First mass-produced beta-lactam antibiotic; inhibits PBP
Pentaerythritol
PETN explosive precursor; resin polyol
Pentane
Low-boiling solvent; foam blowing
PET repeat
PET soft-drink bottles
Phenanthrene
Angular tricyclic PAH
Phenol
Weakly acidic OH; antiseptic origin; resin monomer
Phenylacetylene
Sonogashira coupling substrate
Phenylalanine
Aromatic; tyrosine precursor
Phloroglucinol
1,3,5-triol; antispasmodic; explosives
Phosphoric acid
Triprotic acid; food additive; biochemistry
Phthalic acid
Plasticizer feedstock
Phthalic anhydride
Plasticizer + dye precursor
Piperazine
Saturated 1,4-diazine; pharmacophore
Piperidine
Saturated 6-ring; pharmacophore
Piperine
Black pepper alkaloid
Polypropylene (repeat)
PP; common consumer plastic
Polystyrene (repeat)
PS; foam + packaging
Potassium cyanide
Cytochrome c oxidase inhibitor; rapid systemic poison; cyanide salt form
Proline
Cyclic; helix breaker
Propane
LPG fuel; bottled gas
Propene
Polypropylene monomer; Markovnikov demo
Propionaldehyde
C3 aldehyde; plastic precursor
Propionic acid
Preservative; mold inhibitor
Propylene glycol
Food humectant; e-cig vapor base
Propylene oxide
Chiral epoxide; polyether monomer
Propyne
Methylacetylene; terminal alkyne
Prostaglandin E2
Inflammation + labor lipid mediator
Pteridine
Folic acid + butterfly pigment core
PTFE (repeat)
Teflon; non-stick coating
Purine
Adenine/guanine core
PVC (repeat)
PVC; pipes + flooring
Pyrazine
1,4-diazine; flavor compound (popcorn)
Pyrazole
1,2-diazole; drug scaffold
Pyridazine
1,2-diazine
Pyridine
6-ring aromatic N; weak base; common solvent
Pyridine (basic)
Weakly basic aromatic N; common base solvent
Pyridoxine (B6)
PLP cofactor for transamination
Pyrimidine
1,3-diazine; cytosine/thymine/uracil core
Pyrogallol
1,2,3-trihydroxybenzene; oxygen absorber
Pyrrole
5-ring aromatic NH; porphyrin building block
Quercetin
Flavonoid antioxidant
Quinoline
Fused N-heterocycle; quinine scaffold
Quinoxaline
Anticancer scaffold
Raffinose
Trisaccharide; legume gas culprit
Ranitidine
H2 receptor antagonist
Resorcinol
1,3-dihydroxybenzene; sunscreen ingredient
Retinal
Rhodopsin chromophore
Riboflavin (B2)
FAD/FMN precursor
Salicylic acid
Aspirin precursor; acne treatment
sec-Butanol
Secondary alcohol; ketone source
Selenocysteine
21st AA; UGA recoded codon
Serine
Polar OH; catalytic triad
Simvastatin
Statin lactone prodrug
SN2 trigonal bipyramidal transition state
Geometric apex of Walden inversion. 3 H equatorial, Br/I axial along ±z.
Sodium chloride
Table salt; biological electrolyte
Sodium hydroxide
Strong base; saponification; soap making
Sorbitol
Sugar alcohol; humectant
Sphingosine
Sphingolipid backbone
Squalane
Hydrogenated squalene; cosmetic emollient
Squalene
Sterol biosynthesis intermediate
Stearic acid
C18:0 saturated; tallow
Stigmasterol
Plant sterol; cholesterol-lowering
Strychnine
Strychnos seed; glycine antagonist
Styrene
Polystyrene monomer
Succinic acid
TCA cycle intermediate
Succinic anhydride
Acylation reagent
Sucrose
Table sugar; glucose-fructose disaccharide
Sulfur dioxide
Pollutant; preservative; bleaching agent
Sulfuric acid
Strongest common mineral acid; dehydrating agent
Sulfuryl chloride
Chlorinating agent
Tartaric acid
Wine acid; Pasteur's chirality discovery
Taurine
Sulfonic-acid analog; bile/energy drink
Terephthalic acid
PET polyester monomer
tert-Butanol
Tertiary alcohol; high freezing point
tert-Butyl cation
Stabilized 3° carbocation; SN1/E1 intermediate
tert-Butyl chloride
Tertiary; SN1 textbook substrate
Tetracycline
Broad-spectrum protein synthesis inhibitor
Tetrafluoroethylene
PTFE monomer
Tetrahydrofuran
THF; common Grignard solvent
Tetrakis(triphenylphosphine)palladium(0)
Cross-coupling Pd(0) catalyst
Tetrazole
Bioisostere of carboxylic acid
Theophylline
Bronchodilator; PDE inhibitor
Thiazole
S+N 5-ring; vitamin B1 core
Thiazoline
Penicillin precursor structural unit
Thionyl chloride
OH→Cl conversion; acyl chloride prep
Thiophene
5-ring aromatic S-heterocycle; conducting polymer backbone
Threonine
Polar OH; phosphorylation site
Thymine
DNA pyrimidine; pairs with A
Thymol
Thyme essential oil; antiseptic
Toluene
Methylbenzene; solvent; TNT precursor
trans-2-Butene
trans isomer; more stable than cis
trans-Decalin
Locked diequatorial chair-chair
Trehalose
Stress-protective sugar
Triethylamine
Non-nucleophilic base; common in coupling
Trifluoromethane (fluoroform)
Greenhouse gas; refrigerant byproduct
Triiodothyronine (T3)
Active thyroid hormone
Trimethylamine
Tertiary amine; fish odor
Triphenylmethane
Trityl cation precursor; dye scaffold
Triptycene
D3h rigid 3D scaffold
Tryptophan
Indole side chain; serotonin precursor
Tyrosine
Phenolic; thyroid/dopamine precursor
Uracil
RNA pyrimidine; pairs with A
Valeric acid
Pentanoic acid; valerian root
Valine
Branched-chain essential AA
Vinyl acetate
PVA polymer precursor
Vinyl chloride
PVC monomer; carcinogen
Vinyl fluoride
Fluoropolymer monomer
Water
Universal solvent; product of combustion/neutralization
Wilkinson's catalyst
Homogeneous alkene hydrogenation
Xanthine
Purine catabolism intermediate
Xylitol
Sugar alcohol; sugar-free sweetener
Yohimbine
α2-adrenergic antagonist
α-Linolenic acid (ALA)
C18:3 ω-3; flax seed
α-Pinene
Pine resin monoterpene
α-Tocopherol (E)
Lipid-soluble antioxidant
β-Caryophyllene
Cannabis sesquiterpene; CB2 agonist
β-Pinene
Pine + nutmeg essential oil
No molecules match.