Classifications*

ACID SALTS

ACETYLENES

ALCOHOLS

ALDEHYDES

AMINES

Alpha-AMINO ACIDS

CARBOXYLIC ACIDS

ESTERS, LACTONES

ETHERS, ACETALS

HETEROCYCLES

HYDROCARBONS

KETONES

NITRILES & CUMULATED DOUBLE BONDS

SULFIDES, DISULFIDES & MERCAPTANS

ACID SALTS (TOP)

Non-Aromatic Acids Salts

Sodium Acetate

Potassium acetate

Sodium citrate dihydrate

 

ACETYLENES (TOP)

3-Pentyn-1-ol

Methyl 2-octynoate

Methyl 2-nonynoate

 

ALCOHOLS(TOP)

Aromatic Alcohols, Phenols

Phenols:

Phenol

o-Cresol

2-Propylphenol

2-Isopropyphenol

4-Vinylphenol

Guaiacol

m-Cresol

3-isopropylphenol

p-Cresol

p-Ethylphenol

4-Propylphenol

4-isopropylhenol

2,4-Xylenol

2,6-Xylenol

2,6-Diisopropylphenol

2,6-Dimethoxyphenol

2,5-Xylenol

Thymol

Carvacrol

2-Methoxy-4-methylphenol

2-Methoxy-4-propylphenol

4-Ethylguaiacol

Eugenol

Propenyl guaethol

Butylated hydroxytoluene

4-Methyl-2,6-dimethoxyphenol

2-Methoxy-4-vinylphenol

Vanillyl butyl ether

Resorcinol

 

Aryl-aliphatic

Benzyl alcohol

alpha-Methylbenzyl alcohol

p-alpha,alpha-Trimethylbenzylalcohol

p-isopropylbenzylalcohol

Anisyl alcohol

Vanillyl alcohol

Phenethyl alcohol

1-Phenyl-1-propanol

3-Phenyl-1-propanol

1-Phenyl-2-pentanol

5-Phenyl-1-pentanol

1-Phenyl-3-methyl-1-pentanol

Cinnamyl alcohol

alpha-Amylcinnamyl alcohol

 

Non-Aromatic Alcohols

Primary:

1-Propanol

1-Butyl alcohol

Amyl alcohol

Hexyl alcohol

Heptyl alcohol

1-Octanol

Nonyl alcohol

1-Decanol

Undecyl alcohol

Lauryl alcohol

1-Hexadecanol

Isobutyl alcohol

3-Methyl-1-butanol

3-Methyl-1-pentanol

2-Ethyl-1-hexanol

3,5,5-Trimethyl-1-hexanol

3,7-Dimethyl-1-octanol

 

Secondary

Isopropyl alcohol

2-Pentanol

3-Methyl-3-pentanol

dl-3-Methyl-2-butanol

2-Hexanol

3-Hexanol

2-Heptanol

3-Heptanol

2-Octanol

3-Octanol

2-Nonanol

2,6-Dimethyl-4-heptanol

 

Diols

Propylene glycol

Pinacol

 

Unsaturated

3-Methyl-2-buten-1-ol

2-Methyl-3-buten-2-ol

1-Penten-3-ol

cis-2-Hexen-1-ol

cis-3-Hexen-1-ol

trans-2-Hexen-1-ol

4-Hexen-1-ol

1-Octen-3-ol

cis-2-Nonen-1-ol

trans-2-Nonen-1-ol

cis-6-Nonen-1-ol

10-Undecen-1-ol

6-Methyl-5-heptan-2-ol

Phytol

trans, trans-2,4-Hexadien-1-ol

trans-2, cis-6-Nonadien-1-ol

Nerol

Gerenoil

Linalool

Nerolidol

Farnesol

 

Cyclic:

dl-Menthol

L-Menthol

d-Neomenthol

Fenchyl alcohol

2-Ethylfenchol

Isoborneol

Patchouli alcohol

alpha-Terpineol

l-Carveol

4-Carvomenthenol

Dihydrocarveol

Isopulegol

(S)-(-)-Perillyl alcohol

(1R)-(-)-Myrtenol

Santalol, alpha and beta

Decahydro-2-napthol

 

Polyols, sugars

1,2,6-Trihydroxyhexane

p-Sorbitol

d-Xylose

Arabingalactan

Glycerol

 

ALDEHYDES(TOP)

Aromatic Aldehydes

Unconjugated

Phenylacetaldehyde

p-Tolyacetaldehyde

Hydrocinnamaldehyde

3-(p-isopropylphenyl)-propionaldehyde

2.Methyl-3(p-isopropylphenyl)-propionaldehyde

2-Phenylpropionaldehyde

2-Phenyl-2-butenal

Cinnamaldehydes:

Cinnamaldehyde

alpha-Methylcinnamaldehyde

alpha-Hexylcinnamaldehyde

o-Methoxycinnamaldehyde

para-Methoxycinnamaldehyde

 

Other

Benzaldehyde

o-Anisaldehyde

Salicylaldehyde

m-Anisaldehyde

4-Ethylbenzaldehyde

Cuminaldehyde

p-Anisaldehyde

4-Hydroxybenzaldehyde

p-Ethoxybenzaldehyde

2,4-Dimethylbenzaldehyde

Veratraldehyde

Valeraldehyde

Pipernol

Vanillin

Ethyl vanillin

3,4-Dihydroxybenzaldehyde

Syringaldehyde

 

Non-Aromatic Aldehydes

Saturated open chain

Acetaldehyde

Propionaldehyde

Isobutyraldehyde

Butyraldehyde

2-Methybutyraldehyde

2-Ethylbutyraldehyde

Isovaleraldehyde

Valeraldehyde

2-Methylpentanal

Hexenal

Heptanal

Octanal

Nonanal

Decanal

Lauric aldehyde

Tridecanal

2-Dodecanal

3-(Methylthio)butanal

Pyruvaldehyde

Glutaric dialdehyde

 

Unsaturated open chain

trans-2-Pentenal

trans-2-Methyl-2-butenal

3-Methyl-2-butenal

2-Methyl-2-pentenal

trans-2-Hexenal

trans-2-Heptenal

cis-4-Heptenal

2-Isopropyl-5-methyl-2-hexenal

2,6-Dimethyl-5-heptenal

trans-2-Octenal

Citronellal

trans-2-Nonenal

cis-6-Nonenal

2-Decenal

cis-4-Decenal

2-Undecenal

10-Undecenal

2,4-Octadienal

Citral

trans, trans-2,4-Nonadienal

trans-2-cis-6-Nonadienal

trans, trans-2,6-Nonadienal

2,4-Hexadienal

trans,trans-2,4-Decadienal

 

Unsaturated cyclic

(S)-(-)Perillaldehyde

beta-Cyclocitral

2,4-Dimethyl-3-cyclohexene carboxaldehyde

2,6,6-Trimethyl-1-cyclohexene-1-acetaldehyde

Safranal

(1R)-(-)Myrtenal

 

AMINES (excluding amino acids) (TOP)

Primary

Taurine

Butylamine

Isopentylamine

Phenethylamine

 

Secondary

Pyrrolidine

Peperidine

1-Methylpiperidine

 

Tertiary

Trimethylamine

 

Heterocyclic

Dihydro-2,4,6-trimethyl-1,3,5(4H)dithiazine

 

Alpha-AMINO ACIDS

Aromatic

dl-Phenylalanine

L-Phenylalanine

L-Tyrosine

 

Non-Aromatic

Glycine

dl-Alanine

dl-Valine

DL-Isoleucine

L-Leucine

Beta-Alanine

L-Proline

l-Glutmic acid

l-Cysteine

DL-Methionine

L-Histidine

 

CARBOXYLIC ACIDS (excluding amino acids) (TOP)

Aromatic Carboxylic Acids

Unconjugated

Phenylacetic acid

3-Phenylpropionic acid

Phenoxyacetic acid

 

Conjugated

Cinnamic acid

 

Other

Benzoic acid

Salicylic acid

p-Hydoxybenzoic acid

p-Anisic acid

2,4-Dihydroxybenzoic acid

 

Non-Aromatic Carboxylic Acids

Saturated open chain

Formic acid

Acetic acid

Pyroligneous acid

Propionic acid

Butyric acid

Valeric acid

Hexanoic acid

Heptanoic acid

Octanoic acid

Nonanoic acid

Decanoic acid

Undecanoic acid

Lauric acid

Myristic acid

Palmitic acid

Stearic acid

Isobutyric acid

2-Ethylbutyric acid

2-Methylbutyric acid

Isovaleric acid

2-Methylpentanoic acid

3-Methylpentanoic acid

4-Methylpentanoic acid

Oleic acid

Linoleic acid

2-Ethylhexanoic acid

2-Methylheptanoic acid

4-Methyloctanoic acid

 

Saturated open chain diacids

Succinic acid

Adaptic acid

 

Unsaturated open chain

trans-2-Methyl-2-butenoic acid

3-Methylcrotonic acid

4-Pentenoic acid

trans-2-Methyl-2-pentenoic acid

trans-2-Hexenoic acid

3-Hexenoic acid

3,7-Dimethyl-6-octenoic acid

9-Decenoic acid

Undecylenic acid

Fumaric acid

Aconitic Acid

 

Hydroxy

Lactic Acid

DL-Malic acid

L-(+)-Tartaric acid

Citric acid

 

Mercapto

2-Mercaptopropionic acid

 

Keto

Pyruvic acid

2-Oxobutyric acid

Levulinic acid

 

Cyclic

Cyclohexanecarboxylic acid

Cyclohexaneacetic acid

 

ESTERS, LACTONES(TOP)

Aromatic Esters, Lactones

Unconjugated

Benzyl formate

Phenethyl formate

Cinnamyl formate

Anisyl formate

Benzyl acetate

Benzyl propionate

alpha-Methylbenzyl acetate

Phenethyl acetate

3-Phenylpropyl acetate

alpha-alpha-Dimethylphenethyl acetate

alpha-Amylcinnamyl acetate

Anisyl acetate

Phenoxyethyl propionate

Anisyl propionate

2-Phenethyl propionate

Benzyl butyrate

alpha-Methylbenzyl butyrate

Phenethyl butyrate

trans-Cinnamyl butyrate

Phenethyl isobutyrate

Cinnamyl isobutyrate

Citronellyl isobutyrate

2-Phenylpropyl isovalerate

Piperonyl isobutyrate

3-Phenylpropyl isobutyrate

Phenethyl 2-methylbutyrate

Phenethyl tiglate

Phenethyl octanoate

Phenethyl hexanoate

Methyl phenylactate

Ethyl phenylacetate

Propyl phenylacetate

Isopropyl phenylacetate

Isobutyl phenylacetate

Hexyl phenylacetate

Allyl phenylacetate

Geranyl phenylacetate

Benzyl phenylacetate

Phenethyl phenylacetate

Anisyl phenylacetate

Methyl p-tert-butylphenylacetate

Methyl phenoxyacetate

Methyl (p-tolyloxy)acetate

Ethyl(p-tolyloxy)acetate

Methyl 3-phenylpropionate

Ethyl 3-phenylpropionate

Ethyl 3-phenylglycidate

Ethyl 3-methyl-3-phenylglycidate

 

Cinnamates

Methyl cinnamate

Ethyl cinnamate

Isobutyl cinnamate

Allyl cinnamate

Benzyl cinnamate

Phenethyl cinnamate

Cinnamyl cinnamate

 

beta-Keto

Ethyl acetoacetate

Benzyl acetoactate

Isoamyl acetoacetate

Ethyl benzoylacetate

Ethyl 2-acetyl-3-phenylpropionate

 

Other conjugated

Benzyl trans-2-methyl-2-butenoate

Methyl benzoate

Ethyl benzoate

Butyl benzoate

Isobutyl benzoate

Isoamyl benoate

Hexyl benzoate

Phenethyl benzoate

Methyl salicylate

Ethyl salicylate

Isoamyl salicylate

2-Ethylhexyl salicylate

cis-3-Hexenyl salicylate

Phenyl salicylate

Benzyl salicylate

Methyl p-hydroxybenzoate

Butyl p-hydroxybenzoate

Methyl 2-methoxybenzoate

Methyl p-anisate

Ethyl p-anisate

Methyl vanillate

Methyl anthranilate

Dimethyl anthranilate

Linayl anthranilate

Ethyl anthranilate

Butyl anthranilate

Phenethyl anthranilate

Diethyl phthalate

 

Phenyl esters

o-Tolyl isobutyrate

p-Tolyl acetate

p-Tolyl isobutyrate

2-Methoxyphenyl acetate

4-(p-Acetoxyphenyl)-2-butanone

Vanillin acetate

Vanillin isobutyrate

p-Tolyl phenylacetate

Guaiacyl phenylacetate

 

Lactones

3-Propylindenephthalide

3-Butylidenephthalide

Dihydrocoumarin

Octhydrocoumarin

ETHERS, ACETALS(TOP)

Aromatic Ethers, Acetals

Aryl-alkyl

Anisole

Veratrole

m-Dimethoxybenzene

2-Methylanisole

4-Methylanisole

p-Dimethoxybenzene

trans-Anethole

4-Allylanisole

Methyl eugenol

Isoeugenol

Isoeugenol benzyl ehter

2-Methoxynaphthalene

 

Miscellaneous

Diphenyl ether

Benzyl ether

Styrene oxide

Benzaldehyde dimethyl acetal

Phenylacetaldehyde dimethyl acetal

2-Phenylpropionaldehyde dimethyl acetal

alpha-Amylcinnaldehyde dimethyl acetal

Acetaldehyde phenethyl propyl acetal

Benzyl methoxyethyl acetal

Benzaldehyde glyceryl acetal

 

Non-Aromatic Ethers, Acetals

Acetals

1,1-Dimethoxyethane

Vanillin propylene glycol acetal

Acetal

Citral dimethyl acetal

Citral diethyl acetal

 

Cyclic ethers

1,4-Cineole

Eucalyptol

Caryophyllene oxide

(-)-Ambroxide

6-Hydroxydihydrothesaspirane

Theaspirane

6-Acetoxydihydrothesapirane

Tetrahydorfurfuryl alcohol

2-Propyl-4-methyl-1,3-dioxolane

2-Isobutyl-4-methyl-1,3-dioxolane

 

Miscellaneous

Di(ethyleneglycol)ethyl ether

 

HETEROCYCLES(TOP)

5-Membered Heterocycles

Pyrroles

Pyrrole

1-Methylpyrrole

Methyl 2-pyrroyl ketone

2-Acetyl-1-methylpyrrole

 

Furans

2-Acetylfuran

2-Methylfuran

2-Ethylfuran

2,5-Dimethylfuran

2-Pentylfuran

2-Heptylfuran

4,5,6,7-Tetra-3,6-dimethylbenzo-furan

Furfuryl alcohol

Furfuryl methyl ether

4-Hydroxy-2,5-dimethyl-3(2H)-furanone

2,5-Dimethyl-4-methoxy-3(2H)furanone

Furfuryl mercaptan

2-Methyl-3-furanthiol

Furfuryl isopropyl sulfide

2,2'-(Thiodimethylene)difuran

2,2'-(Dithiodimethylenen)difuran

2-Furyl methyl ketone

Pentyl 2-furyl ketone

2-Acetyl-5-methylfuran

3-Acetyl-2,5-dimethylfuran

Furfural

3-Furaldehyde

5-Methylfurfural

3-(5-Methyl-2-furyl)butanal

5-(Hydroxymethyl)furfural

3-(2-Furyl) acrolein

2-Furoic acid

Methyl 2-furoate

Methyl 2-thiofuroate

Ethyl 2-furoate

Allyl 2-furoate

Amyl 2-furoate

Hexyl 2-furoate

Octyl 2-furoate

Phenethyl 2-furoate

2-Furanmethanethiol formate

Furfuryl acetate

Furfuryl thioacetate

Furfuryl propionate

Furfuryl thiopropionate

Furfuryl butyrate

Furfuryl pentanoate

Furfuryl 3-methylbutanoate

Furfuryl hexanoate

Furfuryl heptanoate

Furfuryl octanoate

Isoamyl 3-(2-furan)-propionate

Ethyl 3-(furfurylthio)propionate

1-Furfurylpyrrole

 

Thiophenes

2,5-Dimethylthiophene

2-Thiophenethiol

2-Thienyl disulfide

2-Acetylthiophene

3-Acetyl-2,5-dimethylthiophene

5-Methyl-2-thiophencarboxaldehyde

 

Thiazoles

2,4,5-Trimethyloxazole

Thiazole

4-Methylthiazole

2-(1-Methylpropyl)thiazole

2-Isobutylthiazle

2,4-Dimethylthiazole

4,5-Dimethylthiazole

2-Ethyl-4-methylthiazole

2-Isopropyl-4-methylthiazole

2,4,5-Trimethylthiazole

4-Methyl-5-vinylthiazole

4-Methyl-5-thiazoleethanol

2-Ethyoxythiazole

Thiamine hydrochloride

2-Acetylthiazole

2,4-Dimethyl-5-acetylthiazole

4-Methyl-5-thiazoleethanol acetate

 

5-Membered Fused Hetercycles

Indoles

Indole

Skatole

 

Benzothiazoles

Benzothiazole

 

Other

2,3-Dimethylbenzofuran

Caffeine

 

6-Membered Heterocycles

Pyridines

Pyridine

2-Pentylpyridine

2,6-Dimethylpyridine

5-Ethyl-2-methylpyridine

2-(3-Phenylpropyl)pyridine

2-Acetylpyridine

3-Acetylpyridine

 

Pyrazines

Pyrazine

2-Methylpyrazine

2-Ethylpyrazine

2,3-Dimethylpyrazine

2,5-Dimethylpyrazine

2,6-Dimethylpyrazine

3-Ethyl-2-methylpyrazine

2,3-Diethylpyrazine

2-Methyl-3-propylpyrazine

5(H)-5-Methyl-6,7-dihydrocyclo-penta(b)pyrazine

5,6,7,8-Tetrahydroquinxaline

2,3,5-Trimethylpyrazine

2-Ethyl-3,5(or 6)-dimethylpyrazine

3-Ethyl-2,6-dimethylpyrazine

2,3-Diethyl-5-methylpyrazine

2,3,5,6-Tetramethylpyrazine

2-Methxypyrazine

2-Methoxy-3-methylpyrazine

2-Ethyl-3-methoxypyrazine

2-Methyl-3(5 or 6)-ethoxypyrazine

2-Methoxy-3(5 r 6)-isopropylpryazine

3-Isopropyl-3-methoxypyrazine

Pyrazineethanethiol

(Methylthio)methylpyrazine

2-Acetylpyrazine

2-Acetyl-3-methylpyrazine

2-Acetyl-3-ethylpyrazine

2-Acetyl-3,5(or 6)-dimethylpyrazine

 

Other

4-Acetyl-2-methylpyridine

Isoquinoline

6-Methylquinoline

5-Methylquinoxaline

2,3-Dimethylquinoxaline

Quinine hydrochloride

 

HYDROCARBONS(TOP)

Aromatic Hydrocarbons

p-Cymene

Styrene

Biphenyl

4-Methylbiophenyl

1-Methylnaphthalene

beta-Bromostyrene

 

Non-Aromatic Hydrocarbons

Undecane

1,3,5-Undecatriene

Myrcene

alpha-Terpinene

delta-Terpinene

alpha-Phellandrene

(R)-(+)-Limonene

(1S)-(-)-alpha-Pinene

(1S)-(-)-beta-Pinene

(+)-Camphene

Terpinolene

Valencene

beta-Caryophyllene

 

KETONES(TOP)

Aromatic Ketones

Unconjugated

4--Methyl-1-phenyl-2-pentanone

1,3-Diphenyl-2-propanone

1-(p-Methoxyphenyl)-2-propanone

4-(p-Methoxyphenyl)-2-butanone

4-(p-Hydroxyphenyl)-2-butanone

4-(3,4-Methylenedioxyphenyl)-2-butanone

Vanillylactone

 

Ary-alkyl

Benzylideneacetone

Acetophenone

Propiophenone

Butyrophenone

2'-Aminoacetophenone

4'-Methylacetophenone

para-Ethylacetophenone

2',4'-Dimethylacetophenone

Methyl b-naphthyl ketone

Acetanisole

Bezoin

2'-Hydroxyacetophenone

Acetovanillone

 

Diketones

1-Phenyl-1,2-propanedione

Diaryl

Benzophenone

 

Non-Aromatic Ketones

Saturated

Acetone

2-Butanone

2-Pentanone

3-Pentanone

4-Methyl-2-pentanone

3-Hexanone

2-Heptanone

3-Heptanone

4-Heptanone

3-Nonanone

2,6-Dimethyl-4-heptanone

2-Octanone

3-Octanone

2-Nonanone

2-Decanone

3-Decanone

2-Undecanone

2-Tridecanone

2-Pentadecanone

 

Unsaturated

Ethyl vinyl ketone

3-Penten-2-one

4-Hexen-3-one

6-Methyl-5-hepten-2-one

3-Decen-2-one

3-Octen-2-one

Geranylacetone

Hydroxy

1-Hydroxy-2-butanone

Acetoin

 

Diketones

Diacetyl

2,3-Pentanedione

2,3-Hexanedione

3,4-Hexanedione

2,3-Heptanedione

 

Cyclic

2,2,6-Trimethylcyclohexanone

2-Hexylindene cyclopentanone

p-Mentha-8-thiol-3-one

l-Fenchone

d-Camphor

Dihydro-beta-ionone

alpha-Ionone

beta-Ionone

Allyl alpha-ionone

3-Methyl-2-cyclopenten-1-one

Dihydrojasmone

Cis-Jasmone

Methyl dihydrojasmonate

Methyl cyclopentenolone

3-Ethyl-2-hydroxy-2-cyclopenten-1-one

3,4-Dimethyl-1,2-cyclopentadione

3-Methyl-2-cyclohexen-1-one

4-Oxoisophorone

 

Heterocyclic

2-Methyltetrahydrofuran-3-one

2-Acetoxy-2,5-dimethyl-3(2H)furanone

Maltol

Ethyl maltol

4,5-Dihydro-3(2H)thiophenone

2-Methyltetrahydrothiophen-3-one

2-Acetyl-2-thiazoline

 

NITRILES & CUMULATED DOUBLE BONDS(TOP)

Nitriles

3,7-Dimethyl-2,6-octadienenitrile

 

SULFIDES, DISULFIDES & MERCAPTANS(TOP)

Aromatic Sulfides, Disulfides and Mercaptans

Disulfides

Benzyl methyl disulfide

Phenyl disulfide

Benzyl disulfide

 

Mercaptans

2-Phenethyl isothiocyanate

Benzyl mercaptan

Benzenethiol

o-Toluenethiol

2-Ethylthiophenol

2-Methoxythiophenol

2,6-Dimethylthiophenol

2-Napthalenethiol

 

Non-Aromatic Sulfides, Disulfides and Mercaptans

Sulfides

Methyl sulfide

Dimethyl trisulfide

Bis(methylthio)methane

Butyl sulfide

Allyl sulfide

Trithioacetone

3-(Methylthio)propionaldehyde

4-(Methylthio)butanol

3-(Methylthio)-1-hexanol

 

Disulfides

Dimethyl disulfide

Methyl propyl disulfide

Propyl disulfide

Isopropyl disulfide

Allyl disulfide

Dicyclohexyl disulfide

 

Mercaptans

Propyl mercaptan

2-Propanethiol

2-Butanethiol

2-Methyl-1-butanethiol

2-Pentanethiol

Allyl mercaptan

Cyclopentanethiol

2-,3-, and 10-Mercaptopinane

Methyl 3-nonenoate

1,2-Ethanedithiol

1,3-Propanedithiol

1,3-Butanedithiol

2,3-Butanedithiol

1,6-Hexanedithiol

1,8-Octanedithiol

1,9-Nonanedithiol

2-Mercapto-3-butanol

Allyl isothiocyanate

 

*Information on classification from Aldrich's Flavors & Fragrance Catalog(TOP)

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