EU/US Properties Organoleptics Cosmetics Suppliers Safety Safety in use Safety references References Other Blenders Uses Occurrence Synonyms Articles Notes
 

hazelnut pyrazine
2,3-diethyl-5-methylpyrazine

Supplier Sponsors

Name:2,3-diethyl-5-methylpyrazine
CAS Number: 18138-04-0Picture of molecule3D/inchi
ECHA EINECS - REACH Pre-Reg:242-024-6
FDA UNII:530763R0AP
Nikkaji Web:J99.991A
MDL:MFCD00009635
CoE Number:11303
XlogP3:1.90 (est)
Molecular Weight:150.22458000
Formula:C9 H14 N2
BioActivity Summary:listing
NMR Predictor:Predict (works with chrome or firefox)
Category:flavor and fragrance agents
 
US / EU / FDA / JECFA / FEMA / FLAVIS / Scholar / Patent Information:
Google Scholar:Search
Google Books:Search
Google Scholar: with word "volatile"Search
Google Scholar: with word "flavor"Search
Google Scholar: with word "odor"Search
Perfumer and Flavorist:Search
Google Patents:Search
US Patents:Search
EU Patents:Search
Pubchem Patents:Search
PubMed:Search
NCBI:Search
JECFA Food Flavoring:777 2,3-diethyl-5-methylpyrazine
FLAVIS Number:14.056 (Old)
DG SANTE Food Flavourings:14.056 2,3-diethyl-5-methylpyrazine
FEMA Number:3336 2,3-diethyl-5-methylpyrazine
FDA:No longer provide for the use of these seven synthetic flavoring substances
FDA Mainterm: 2,3-DIETHYL-5-METHYLPYRAZINE
 
Physical Properties:
Appearance:colorless to pale yellow clear liquid (est)
Assay: 98.00 to 100.00
Food Chemicals Codex Listed: No
Specific Gravity:0.94800 to 0.95200 @ 20.00 °C.
Pounds per Gallon - (est).: 7.898 to 7.931
Specific Gravity:0.93800 to 0.95700 @ 25.00 °C.
Pounds per Gallon - est.: 7.805 to 7.963
Refractive Index:1.49500 to 1.49800 @ 20.00 °C.
Boiling Point: 191.00 to 193.00 °C. @ 760.00 mm Hg (est)
Boiling Point: 203.00 °C. @ 760.00 mm Hg
Vapor Pressure:0.515000 mm/Hg @ 25.00 °C. (est)
Vapor Density:5.2 ( Air = 1 )
Flash Point: 176.00 °F. TCC ( 80.00 °C. )
logP (o/w): 1.950
Soluble in:
 alcohol
 water, 1636 mg/L @ 25 °C (est)
 
Organoleptic Properties:
Odor Type: musty
Odor Strength:high ,
recommend smelling in a 0.10 % solution or less
musty nutty meaty vegetable hazelnut roasted hazelnut
Odor Description:at 0.10 % in dipropylene glycol. musty nutty meaty vegetable roasted hazelnut
musty nut skin earthy toasted potato green meaty
Odor Description:Musty, nut skin, earthy, toasted, potato bin, green and meaty
Mosciano, Gerard P&F 21, No. 5, 49, (1996)
Flavor Type: musty
musty toasted nutty potato cocoa earthy dirty
Taste Description: at 2.50 ppm. Musty, toasted, nutty, potato, cocoa, earthy and dirty
Mosciano, Gerard P&F 21, No. 5, 49, (1996)
Odor and/or flavor descriptions from others (if found).
R C Treatt & Co Ltd
2,3-Diethyl-5-methylpyrazine Halal, Kosher
Odor Description:Chocolate, roast hazelnut; nutty, meaty
Taste Description:Chocolate
Used in chocolate, roast nut, bread and coffee flavours, at 0.01-1ppm.
Taytonn
2,3-Diethyl-5-Methylpyrazine
Odor Description:Burnt, Musk/ Musky, Nutty, Roast, Vegetable
 
Cosmetic Information:
None found
 
Suppliers:
Advanced Biotech
2,3-DIETHYL-5-METHYL PYRAZINE
Ambles Nature et Chimie
2.3-DIETHYL-5-METHYL PYRAZINE
Anhui Haibei
2,3-Diethyl-5-methyl Pyrazine
Odor: Musty nutty meaty vegetable roasted hazelnut
Beijing Lys Chemicals
2,3-Diethyl-5-methylpyrazine
BOC Sciences
For experimental / research use only.
2,3-Diethyl-5-methylpyrazine >97.0%(GC)
Charkit Chemical
DIETHYL-5-METHYLPYRAZINE, 2,3- FEMA 3336
Endeavour Specialty Chemicals
2,3-Diethyl-5-methylpyrazine 99% F&F
Speciality Chemical Product Groups
Frutarom
2,3-DIETHYL-5-METHYLPYRAZINE
Jiangyin Healthway
2,3-Diethyl-5-methyl pyrazine
New functional food ingredients
Jinan Enlighten Chemical Technology(Wutong Aroma )
2,3-Diethyl-5-methyl pyrazine, Kosherk
M&U International
2,3-DIETHYL-5-METHYL PYRAZINE, Kosher
Penta International
2,3-DIETHYL-5-METHYLPYRAZINE, Kosher
R C Treatt & Co Ltd
2,3-Diethyl-5-methylpyrazine
Halal, Kosher
Odor: Chocolate, roast hazelnut; nutty, meaty
Flavor: Chocolate
Used in chocolate, roast nut, bread and coffee flavours, at 0.01-1ppm.
Reincke & Fichtner
2,3-Diethyl-5-methylpyrazine
Robinson Brothers
2,3-Diethyl-5-methylpyrazine F&F
https://www.robinsonbrothers.uk/chemistry-competences
Santa Cruz Biotechnology
For experimental / research use only.
2,3-Diethyl-5-methylpyrazine >97.0%(gc)
Sigma-Aldrich
2,3-Diethyl-5-methylpyrazine, 99%, FG
Certified Food Grade Products
Sunaux International
2,3-Diethyl-5-methyl Pyrazine
Synerzine
2,3-Diethyl-5-Methylpyrazine
Taytonn
2,3-Diethyl-5-Methylpyrazine
Odor: Burnt, Musk/ Musky, Nutty, Roast, Vegetable
TCI AMERICA
For experimental / research use only.
2,3-Diethyl-5-methylpyrazine >97.0%(GC)
Tengzhou Jitian Aroma Chemiclal
2,3-Diethyl-5-methyl Pyrazine
Tengzhou Xiang Yuan Aroma Chemicals
2.3-Diethyl-5-Methyl Pyrazine
WholeChem
2,3-Diethyl-5-Methylpyrazine
 
Safety Information:
Preferred SDS: View
European information :
Most important hazard(s):
Xi - Irritant
R 36/37/38 - Irritating to eyes, respiratory system, and skin.
S 02 - Keep out of the reach of children.
S 24/25 - Avoid contact with skin and eyes.
S 26 - In case of contact with eyes, rinse immediately with plenty of water and seek medical advice.
S 36/37/39 - Wear suitable clothing, gloves and eye/face protection.
 
Hazards identification
 
Classification of the substance or mixture
GHS Classification in accordance with 29 CFR 1910 (OSHA HCS)
None found.
GHS Label elements, including precautionary statements
 
Pictogram
 
Hazard statement(s)
None found.
Precautionary statement(s)
None found.
Oral/Parenteral Toxicity:
Not determined
Dermal Toxicity:
Not determined
Inhalation Toxicity:
Not determined
 
Safety in Use Information:
Category: flavor and fragrance agents
Recommendation for hazelnut pyrazine usage levels up to:
  0.0800 % in the fragrance concentrate.
 
Maximised Survey-derived Daily Intakes (MSDI-EU): 0.11 (μg/capita/day)
Maximised Survey-derived Daily Intakes (MSDI-USA): 1.00 (μg/capita/day)
Structure Class: II
Use levels for FEMA GRAS flavoring substances on which the FEMA Expert Panel based its judgments that the substances are generally recognized as safe (GRAS).
The Expert Panel also publishes separate extensive reviews of scientific information on all FEMA GRAS flavoring substances and can be found at FEMA Flavor Ingredient Library
publication number: 6
 average usual ppmaverage maximum ppm
baked goods: -1.00000
beverages(nonalcoholic): -0.10000
beverages(alcoholic): --
breakfast cereal: -1.00000
cheese: --
chewing gum: --
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: -0.20000
fruit ices: -0.20000
gelatins / puddings: -0.20000
granulated sugar: --
gravies: -0.20000
hard candy: -0.50000
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: -0.20000
milk products: --
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: --
soups: -0.20000
sugar substitutes: --
sweet sauces: --
 
Safety References:
European Food Safety Athority(efsa):Flavor usage levels; Subacute, Subchronic, Chronic and Carcinogenicity Studies; Developmental / Reproductive Toxicity Studies; Genotoxicity Studies...

European Food Safety Authority (EFSA) reference(s):

Opinion of the Scientific Panel on food additives, flavourings, processing aids and materials in contact with food (AFC) on a request from the Commission related to Flavouring Group Evaluation 17 (FGE.17): Pyrazine derivatives from chemical group 24 (Commission Regulation (EC) No 1565/2000 of 18 July 2000)
View page or View pdf

Flavouring Group Evaluation 50 (FGE.50): Consideration of pyrazine derivatives evaluated by JECFA (57th meeting) structurally related to pyrazine derivatives evaluated by EFSA in FGE.17 (2005) (Commission Regulation (EC) No 1565/2000 of 18 July 2000) - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC)
View page or View pdf

Flavouring Group Evaluation 17, Revision 1 (FGE.17Rev1): Pyrazine derivatives from chemical group 24 - Opinion of the Scientific Panel on Food Additives, Flavourings, Processing Aids and Materials in contact with Food (AFC) [1]
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 17, Revision 2 (FGE.17Rev2): Pyrazine derivatives from chemical group 24
View page or View pdf

Scientific Opinion on Flavouring Group Evaluation 50, Revision 1 (FGE.50Rev1): Consideration of pyrazine derivatives evaluated by JECFA (57th meeting) structurally related to pyrazine derivatives evaluated by EFSA in FGE.17Rev2 (2010)
View page or View pdf

Safety and efficacy of pyrazine derivatives including saturated ones belonging to chemical group 24 when used as flavourings for all animal species
View page or View pdf

EPI System: View
EPA Substance Registry Services (TSCA):18138-04-0
EPA ACToR:Toxicology Data
EPA Substance Registry Services (SRS):Registry
Laboratory Chemical Safety Summary :28905
National Institute of Allergy and Infectious Diseases:Data
WGK Germany:3
2,3-diethyl-5-methylpyrazine
Chemidplus:0018138040
 
References:
 2,3-diethyl-5-methylpyrazine
NIST Chemistry WebBook:Search Inchi
Canada Domestic Sub. List:18138-04-0
Pubchem (cid):28905
Pubchem (sid):134993059
Flavornet:18138-04-0
 
Other Information:
(IUPAC):Atomic Weights of the Elements 2009
(IUPAC):Atomic Weights of the Elements 2009 (pdf)
Videos:The Periodic Table of Videos
tgsc:Atomic Weights use for this web site
(IUPAC):Periodic Table of the Elements
FDA Everything Added to Food in the United States (EAFUS):View
CHEMBL:View
HMDB (The Human Metabolome Database):HMDB41345
FooDB:FDB021268
Export Tariff Code:2933.99.9701
VCF-Online:VCF Volatile Compounds in Food
ChemSpider:View
 
Potential Blenders and core components note
For Odor
No odor group found for these
sulfuryl octanoate
FL/FR
sulfuryl butyrate
FL/FR
sulfuryl decanoate
FL/FR
sulfuryl hexanoate
FL/FR
sulfuryl isobutyrate
FL/FR
sulfuryl propionate
FL/FR
aldehydic
aldehydic
iso
valeraldehyde
FL/FR
anisic
methyl para-anisate
FL/FR
balsamic
amyl phenyl acetate
FL/FR
prenyl benzoate
FL/FR
camphoreous
butyrophenone
FL/FR
caramellic
iso
propenyl pyrazine
FL/FR
chocolate
iso
amyl phenyl acetate
FL/FR
dark
chocolate fragrance
FR
chocolate fragrance
FR
chocolate pyrazine A
FL/FR
chocolate specialty
FR
chocolate tincture
FL/FR
cocoa hexenal
FL/FR
cocoa oleoresin
FL/FR
2,5-
dimethyl pyrazine
FL/FR
2-
methoxy-3-methyl pyrazine
FL/FR
2-
methoxypyrazine
FL/FR
2-
methyl butyraldehyde
FL/FR
tetrahydrofurfuryl phenyl acetate
FL/FR
2,4,5-
trimethyl thiazole
FL/FR
vanillyl ethyl ether
FL/FR
cocoa
2-iso
butyl-3,5-(and 3,6)-dimethyl pyrazine
FL/FR
cocoa absolute
FL/FR
cocoa fragrance
FR
cocoa resinoid
FL/FR
coffee
coffee absolute
FL/FR
earthy
bean pyrazine
FL/FR
2-
ethyl-3-methoxypyrazine
FL/FR
nutty pyrazine
FL/FR
fermented
valeraldehyde
FL/FR
floral
alpha-
amyl cinnamyl acetate
FL/FR
amyl salicylate
FL/FR
coffee flower absolute
FR
fruity
nonyl isovalerate
FL/FR
green
geranium thiazole
FL/FR
2-
heptyl furan
FL/FR
phenyl acetaldehyde
FL/FR
herbal
tricyclodecenyl isobutyrate
FR
honey
butyl phenyl acetate
FL/FR
phenyl acetic acid
FL/FR
musty
3-
acetyl-2,5-dimethyl furan
FL/FR
menthofuran
FL/FR
naphthyl
para-
methyl anisole
FL/FR
nutty
2-
acetyl-3-ethyl pyrazine
FL/FR
2-
acetyl-3-methyl pyrazine
FL/FR
2-
acetyl-3,5-dimethyl pyrazine
FL/FR
2-
acetyl-3,5(or 6)-dimethyl pyrazine
FL/FR
3,6-
cocoa pyrazine
FL/FR
3,5-
cocoa pyrazine
FL/FR
2,3-
dimethyl pyrazine
FL/FR
4,5-
dimethyl-2-ethyl-3-thiazoline
FL/FR
2-
ethyl pyrazine
FL/FR
filbert heptenone
FL/FR
filbert pyrazine
FL/FR
(-)-(E,R)-
filbertone
FL/FR
2-
methyl pyrazine
FL/FR
2-
methyl thio-3,5 or 6-methyl pyrazine
FL/FR
2-
methyl-3-ethoxypyrazine
FL/FR
2-
methyl-3-pentenoic acid
FL/FR
nutty quinoxaline
FL/FR
2,3,5-
trimethyl pyrazine
FL/FR
vinyl sulfurol
FL/FR
popcorn
2-
acetyl pyrazine
FL/FR
2-
acetyl thiazole
FL/FR
sulfurous
cocoa essence
FL/FR
furfuryl thioacetate
FL/FR
sweet
vanilla oleoresin bali
FL/FR
vanilla
ethyl vanillin isobutyrate
FL/FR
vanillin
FL/FR
vanillin propylene glycol acetal
FL/FR
vanillyl isobutyrate
FL/FR
vegetable
mesityl oxide
FL/FR
methional
FL/FR
waxy
butyl laurate
FL/FR
2-
tridecanone
FL/FR
woody
cedrenyl acetate
FR
cinnamyl tiglate
FL/FR
2-
methoxy-4-vinyl phenol
FL/FR
For Flavor
No flavor group found for these
amyl phenyl acetate
FL/FR
bean pyrazine
FL/FR
2-iso
butyl-3,5-(and 3,6)-dimethyl pyrazine
FL/FR
2(4)-iso
butyl-4(2),6-dimethyl dihydro-4H-1,3,5-dithiazine
FL
butyrophenone
FL/FR
chocolate pyrazine A
FL/FR
cinnamyl tiglate
FL/FR
6,7-
dihydro-2,3-dimethyl-5H-cyclopentapyrazine
FL
6,7-
dimethyl dihydrocyclopentapyrazine
FL
dimethyl dihydrocyclopentapyrazine
FL
2,5-
dimethyl thiazole
FL
4,5-
dimethyl-2-ethyl thiazole
FL
2-
ethyl-3-methoxypyrazine
FL/FR
chocolate
fudge caramel flavor
FL
green pea pyrazine
FL
3(2)-
hydroxy-5-methyl-2(3)-hexanone
FL
2-
hydroxy-5-methyl-3-hexanone
FL
2-
methoxy-3-propyl pyrazine
FL
2-
methoxypyrazine
FL/FR
methyl 2-(methyl thio) acetate
FL
methyl para-anisate
FL/FR
4-(
methyl thio) butanol
FL
2-
methyl-3-ethoxypyrazine
FL/FR
2-
methyl-3-pentenoic acid
FL/FR
nonyl isovalerate
FL/FR
peanut dithiazine
FL
prenyl benzoate
FL/FR
2-iso
propyl-4-methyl-3-thiazoline
FL
pyrazines mixture
FL
sulfuryl butyrate
FL/FR
sulfuryl decanoate
FL/FR
sulfuryl hexanoate
FL/FR
sulfuryl isobutyrate
FL/FR
tetrahydrofurfuryl phenyl acetate
FL/FR
sulfuryl formate
FL
sulfuryl octanoate
FL/FR
sulfuryl propionate
FL/FR
alliaceous
alliaceous
3-
mercapto-2-pentanone
FL
2-
methyl thioacetaldehyde
FL
aromatic
amyl salicylate
FL/FR
bitter
cocoa pyrazines base (mixture of pyrazines)
FL
burnt
iso
propenyl pyrazine
FL/FR
cabbage
methyl 2-thiofuroate
FL
caramellic
caramel fudge flavor
FL
toasted
maple nut flavor
FL
chocolate
cherry chocolate fudge flavor
FL
chocolate
FL
chocolate almond fudge flavor
FL
chocolate banana nut flavor
FL
chocolate butter cream flavor
FL
chocolate caramel nut flavor
FL
chocolate chips
FL
chocolate coating
FL
chocolate cookies & cream flavor
FL
chocolate distillates
FL
chocolate essence
FL
chocolate europa flavor
FL
chocolate extract
FL
milk
chocolate flavor
FL
dark
chocolate flavor
FL
german
chocolate flavor
FL
bitter
chocolate flavor
FL
bavarian
chocolate flavor
FL
hot
chocolate flavor
FL
abuelita
chocolate flavor
FL
swiss
chocolate flavor
FL
dutch
chocolate flavor
FL
bittersweet
chocolate flavor
FL
chocolate flavor
FL
semi sweet
chocolate flavor
FL
mexican
chocolate flavor
FL
chocolate macadamia nut flavor
FL
chocolate marble flavor
FL
chocolate mousse flavor
FL
chocolate nibs
FL
chocolate raspberry creme flavor
FL
chocolate tincture
FL/FR
chocolate toffee almond flavor
FL
cocoa essence
FL/FR
cocoa oleoresin
FL/FR
cocoa powder distillates
FL
cocoa propanal
FL
chocolate chip
cookie flavor
FL
creme de cocoa flavor
FL
mocha almond fudge flavor
FL
mocha cream flavor
FL
cocoa
chocolate enhancers
FL
cocoa
FL
cocoa absolute
FL/FR
cocoa bean powder
FL
cocoa distillates
FL
cocoa flavor
FL
cocoa hexenal
FL/FR
cocoa liquor
FL
cocoa liquor distillates
FL
cocoa nib distillates
FL
cocoa resinoid
FL/FR
2-
methyl furan
FL
theobroma cacao nib extract
FL
coffee
coffee absolute
FL/FR
difurfuryl ether
FL
cookie
chocolate
cookie flavor
FL
corn chip
2-
acetyl thiazole
FL/FR
earthy
alpha-
amyl cinnamyl acetate
FL/FR
camu camu distillates
FL
(±)-2-
mercapto-5-methylheptan-4-one
FL
tamarind distillates
FL
fatty
cocoa butter distillates
FL
2-
heptyl furan
FL/FR
2-
tridecanone
FL/FR
fishy
4,5-
dimethyl thiazole
FL
floral
iso
amyl phenyl acetate
FL/FR
phenyl acetic acid
FL/FR
fruity
iso
valeraldehyde
FL/FR
fusel
2-
methyl butyraldehyde
FL/FR
green
dihydroxyacetophenone (mixed isomers)
FL
geranium thiazole
FL/FR
2-
methyl-5-isopropyl pyrazine
FL
propylene glycol acetone ketal
FL
honey
butyl phenyl acetate
FL/FR
phenyl acetaldehyde
FL/FR
meaty
3-
mercapto-2-butanone
FL
milky
dextro,laevo-3-(
methyl thio) butanone
FL
musty
2,5-
dimethyl pyrazine
FL/FR
menthofuran
FL/FR
2,3,5-
trimethyl pyrazine
FL/FR
naphthyl
para-
methyl anisole
FL/FR
nutty
3-
acetyl-2,5-dimethyl furan
FL/FR
2-
acetyl-3-ethyl pyrazine
FL/FR
2-
acetyl-3-methyl pyrazine
FL/FR
2-
acetyl-3,5-dimethyl pyrazine
FL/FR
2-
acetyl-3,5(or 6)-dimethyl pyrazine
FL/FR
toasted
chestnut flavor
FL
3,5(6)-
cocoa pyrazine
FL
3,6-
cocoa pyrazine
FL/FR
3,5-
cocoa pyrazine
FL/FR
2,5-
diethyl-3-methyl pyrazine
FL
2,3-
dimethyl pyrazine
FL/FR
4,5-
dimethyl-2-ethyl-3-thiazoline
FL/FR
2-
ethyl pyrazine
FL/FR
2-
ethyl-6-methyl pyrazine
FL
filbert heptenone
FL/FR
filbert pyrazine
FL/FR
(-)-(E,R)-
filbertone
FL/FR
european
hazelnut oleoresin
FL
2-
methoxy-3-methyl pyrazine
FL/FR
2-
methyl pyrazine
FL/FR
2-
methyl thio-3,5 or 6-methyl pyrazine
FL/FR
nutty pyrazine
FL/FR
nutty quinoxaline
FL/FR
nutty thiazole
FL
chocolate
peanut butter flavor
FL
sesame distillates
FL
roasted
sesame seed oil
FL
2,4,5-
trimethyl thiazole
FL/FR
vinyl sulfurol
FL/FR
phenolic
propyl 2-furoate
FL
popcorn
2-
propionyl-2-thiazoline
FL
potato
mesityl oxide
FL/FR
roasted
2-
acetyl pyrazine
FL/FR
furfuryl thioacetate
FL/FR
rummy
vanillyl ethyl ether
FL/FR
smoky
2-
methoxy-4-vinyl phenol
FL/FR
spicy
chocolate cinnamon hazelnut flavor
FL
sulfurous
O-
ethyl S-1-methoxyhexan-3-yl carbonothioate
FL
potato butanone
FL
sweet
vanilla oleoresin bali
FL/FR
tomato
methional
FL/FR
vanilla
ethyl vanillin isobutyrate
FL/FR
vanillin
FL/FR
vanillin propylene glycol acetal
FL/FR
vanillyl isobutyrate
FL/FR
vegetable
potato butyraldehyde
FL
waxy
butyl laurate
FL/FR
winey
5-
ethyl-2-methyl pyridine
FL
valeraldehyde
FL/FR
 
Potential Uses:
FLcheese
 chocolate cocoa
FRcoffee
FRfilbert
FRhazelnut
FLnut
FRpeanut
FRpopcorn
FLpork
FLpotato
FLtomato
FLvegetable
 
Occurrence (nature, food, other):note
 beef cooked beef
Search PMC Picture
 cheese parmesan cheese
Search PMC Picture
 cheese provolon cheese
Search PMC Picture
 chicken cooked chicken
Search PMC Picture
 cocoa
Search Trop Picture
 coffee
Search PMC Picture
 filbert
Search Trop Picture
 hazelnut roasted hazelnut
Search Trop Picture
 lamb
Search PMC Picture
 peanut roasted peanut
Search Trop Picture
 pork
Search PMC Picture
 potato chip
Search PMC Picture
 potato french fries
Search PMC Picture
 sesame seed roasted
Search Trop Picture
 
Synonyms:
2,3-diethyl 5 methyl pyrazine
2,3-diethyl-5-methyl pyrazine
2,3-diethyl-5-methyl-1,4-diazine
2,3-diethyl-5-methylpyrazine
 methyl terrazome
2-methyl-5,6-diethylpyrazine
 pyrazine, 2,3-diethyl-5-methyl-
 
 
Notes:
Aroma constit. of Parmesan cheese, roasted filbert, roasted peanut, baked or chipped potato, cooked chicken, beef, lamb, mutton and pork. Present in galbanum oil. Flavouring agent
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