gamma-hexalactone
 
Notes:
4-hydroxy-Hexanoic acid gamma-lactone is occasionally found as a volatile component of human urine. 4-hydroxy-Hexanoic acid gamma-lactone has been found in the polar fraction of human blood. Biological fluids such as blood and urine have been shown to contain a large number of components, some of them volatiles (low boiling point) apparently present in all individuals, while others such are much more variable. In some cases differences up to an order of magnitude are observed. Although some of these changes may have dietary origins, others seem to be characteristic of the individual. (PMID: 5556886, 6480763, 15835926)
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    Flavor Demo Formulas
5-ethyloxolan-2-one (Click)
CAS Number: 695-06-7Picture of molecule
Other: 57129-70-1
ECHA EINECS - REACH Pre-Reg: 211-778-8
FDA UNII:J16NAT1G41
Nikkaji Web: J45.665I
Beilstein Number: 0107260
MDL: MFCD00005401
FEMA Number: 2556
CoE Number: 2254
XlogP3: 0.70 (est)
Molecular Weight: 114.14410000
Formula: C6 H10 O2
BioActivity Summary: listing
NMR Predictor: Predict (works with chrome or firefox)
EFSA/JECFA Comments: JECFA evaluted gamma-hexalactone (CASrn as in Register). Register CASrn refers to the racemate.
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
EFSA Update of results on the monitoring of furan levels in food: Read Report
EFSA Previous report: Results on the monitoring of furan levels in food: Read Report
EFSA Report of the CONTAM Panel on provisional findings on furan in food: Read Report
JECFA Food Flavoring: 223  gamma-hexalactone
Flavis Number: 10.021 (Old)
DG SANTE Food Flavourings: 10.021  hexano-1,4-lactone
FEMA Number: 2556  gamma-hexalactone
FDA Mainterm: GAMMA-HEXALACTONE
FDA Regulation:
FDA PART 172 -- FOOD ADDITIVES PERMITTED FOR DIRECT ADDITION TO FOOD FOR HUMAN CONSUMPTION
Subpart F--Flavoring Agents and Related Substances
Sec. 172.515 Synthetic flavoring substances and adjuvants.
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Physical Properties:
Appearance: colorless to pale yellow clear liquid (est)
Assay: 98.00 to 100.00 % 
Food Chemicals Codex Listed: Yes
Specific Gravity: 1.02000 to 1.02500 @  25.00 °C.
Pounds per Gallon - (est).: 8.487 to  8.529
Refractive Index: 1.43700 to 1.44200 @  20.00 °C.
Melting Point: -18.00 °C. @ 760.00 mm Hg
Boiling Point: 100.00 to  102.00 °C. @ 18.00 mm Hg
Boiling Point: 219.00 to  220.00 °C. @ 760.00 mm Hg
Acid Value: 1.00 max. KOH/g
Vapor Pressure: 0.152000 mm/Hg @ 25.00 °C. (est)
Vapor Density: >1 ( Air = 1 )
Flash Point: 209.00 °F. TCC ( 98.33 °C. )
logP (o/w): 0.413 (est)
Shelf Life: 24.00 month(s) or longer if stored properly.
Storage: store in cool, dry place in tightly sealed containers, protected from heat and light.
Soluble in:
 alcohol
 dipropylene glycol
 propylene glycol
 water, slightly
 water, 3.219e+004 mg/L @ 25 °C (est)
Insoluble in:
 water
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Organoleptic Properties:
Odor Type: tonka
Odor Strength: medium ,
recommend smelling in a 10.00 % solution or less
Odor Description:
at 10.00 % in dipropylene glycol. 
herbal coconut sweet coumarin tobacco
Substantivity: 128 Hour(s)
  
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Cosmetic Information:
CosIng: cosmetic data
Cosmetic Uses: masking agents
perfuming agents
Synonyms   Articles   Notes   Search   Top
Safety Information:
Most important hazard(s):
Xi - Irritant
  R 36/38 - Irritating to skin and eyes.
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 37/39 - Wear suitable gloves and eye/face protection.
Human Experience: 12 % solution: no irritation or sensitization.
Oral/Parenteral Toxicity:
  oral-rat LD50  > 5000 mg/kg
(Moreno, 1977f)

oral-rat LD50  > 5000 mg/kg
Food and Cosmetics Toxicology. Vol. 17, Pg. 794, 1979.

Dermal Toxicity:
  skin-rabbit LD50 > 5000 mg/kg
Food and Cosmetics Toxicology. Vol. 17, Pg. 794, 1979.

Inhalation Toxicity:
  Not determined
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Safety in Use Information:
Category: flavor and fragrance agents
Recommendation for gamma-hexalactone usage levels up to:
  12.0000 % in the fragrance concentrate.
 
Maximised Survey-derived Daily Intakes (MSDI-EU): 160.00 (μg/capita/day)
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: 3
Click here to view publication 3
 average usual ppmaverage maximum ppm
baked goods: -21.00000
beverages(nonalcoholic): -7.00000
beverages(alcoholic): --
breakfast cereal: --
cheese: --
chewing gum: --
condiments / relishes: --
confectionery froastings: --
egg products: --
fats / oils: --
fish products: --
frozen dairy: 0.0700084.00000
fruit ices: -84.00000
gelatins / puddings: --
granulated sugar: --
gravies: --
hard candy: -21.00000
imitation dairy: --
instant coffee / tea: --
jams / jellies: --
meat products: --
milk products: --
nut products: --
other grains: --
poultry: --
processed fruits: --
processed vegetables: --
reconstituted vegetables: --
seasonings / flavors: --
snack foods: --
soft candy: --
soups: --
sugar substitutes: --
sweet sauces: --
Synonyms   Articles   Notes   Search   Top
Safety References:
Flavor & Extract Manufacturers Association (FEMA) reference(s):
The FEMA GRAS assessment of lactones used as flavor ingredients.View pdf
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 10: Aliphatic primary and secondary saturated and unsaturated alcohols, aldehydes, acetals, carboxylic acids and esters containing an additional oxygenated functional group and lactones from chemical groups 9, 13 and 30 - (Commission Regulation (EC) No 1565/2000 of 18 July 2000)
View page or View pdf
Flavouring Group Evaluation 10, Revision 1 (FGE10 Rev1)[1] - Aliphatic primary and secondary saturated and unsaturated alcohols, aldehydes, acetals, carboxylic acids and esters containing an additional oxygenated functional group and lactones from chemical groups 9, 13 and 30 - Scientific Opinion of the Panel on Food Additives, Flavourings, Processing Aids and Materials in Contact with Food (AFC)
View page or View pdf
Scientific Opinion on Flavouring Group Evaluation 10, Revision 2 (FGE.10Rev2): Aliphatic primary and secondary saturated and unsaturated alcohols, aldehydes, acetals, carboxylic acids and esters containing an additional oxygenated functional group and lactones from chemical groups 9, 13 and 30
View page or View pdf
EPI System: View
EPA Substance Registry Services (TSCA): 695-06-7
EPA ACToR: Toxicology Data
EPA Substance Registry Services (SRS): Registry
Laboratory Chemical Safety Summary : 12756
National Institute of Allergy and Infectious Diseases: Data
WGK Germany:2
 5-ethyloxolan-2-one
Chemidplus: 0000695067
RTECS: LU4220000 for cas# 695-06-7
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References:
Leffingwell: Chirality or Article
 5-ethyloxolan-2-one
NIST Chemistry WebBook: Search Inchi
Canada Domestic Sub. List: 695-06-7
Pubchem (cid): 12756
Pubchem (sid): 134976441
Flavornet: 695-06-7
Pherobase: View
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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
CHEBI: View
CHEMBL: View
HMDB (The Human Metabolome Database): HMDB03843
FooDB: FDB008075
Export Tariff Code: 2932.20.5050
Haz-Map: View
VCF-Online: VCF Volatile Compounds in Food
ChemSpider: View
Synonyms   Articles   Notes   Search   Top
Potential Blenders and core components note
 
For Odor
amber
amber
 ambrette seed absoluteFL/FR
 angelica root oilFL/FR
 cistus ladaniferus resinoidFR
animal
 civet absoluteFL/FR
 costus valerolactoneFR
6-methyl quinolineFL/FR
anisic
para-anisaldehydeFL/FR
balsamic
 amyl phenyl acetateFL/FR
 amyris wood oilFL/FR
siam benzoin resinoidFL/FR
 benzyl cinnamateFL/FR
 benzyl salicylateFL/FR
isobutyl cinnamateFL/FR
 copaiba balsam oilFL/FR
 ethyl cinnamateFL/FR
 fir balsam absoluteFR
 methyl cinnamateFL/FR
 peru balsam oilFL/FR
 tolu balsamFL/FR
berry
 raspberry ketoneFL/FR
buttery
 acetoinFL/FR
 ethyl maltolFL/FR
 immortelle absoluteFL/FR
cereal
 bran absoluteFR
cheesy
2-heptanoneFL/FR
coconut
alpha-angelica lactoneFL/FR
 coconut decanone methylFR
 coconut naphthalenoneFL/FR
delta-decalactoneFL/FR
delta-2-dodecenolactoneFL/FR
gamma-heptalactoneFL/FR
delta-heptalactoneFL/FR
 hexahydrocoumarinCS
delta-nonalactoneFL/FR
gamma-nonalactone (aldehyde C-18 (so-called))FL/FR
delta-octalactoneFL/FR
gamma-octalactoneFL/FR
 propyl octanoateFL/FR
 tetrahydrojasmoneFR
delta-undecalactoneFL/FR
 wine lactoneFL/FR
coumarinic
 phthalideFL/FR
creamy
 creamy lactoneFL/FR
fatty
 lauric acidFL/FR
floral
 acetophenoneFL/FR
isoamyl salicylateFL/FR
 boronia butenalFR
isobutyl salicylateFL/FR
 cananga oilFL/FR
delta-damasconeFL/FR
 dihydrojasmoneFL/FR
 dihydrojasmone lactoneFL/FR
 floral pyranolFR
 heliotropinFL/FR
 heliotropyl acetoneFL/FR
 heliotropyl diethyl acetalFR
 hexenyl cyclopentanoneFR
alpha-hexyl cinnamaldehydeFL/FR
 hydroxycitronellalFL/FR
 ilex paraguariensis oleoresinFL/FR
 jasmin lactone (IFF)FL/FR
abrialis lavandin oilFL/FR
 lavender oilFL/FR
para-methyl acetophenoneFL/FR
 nerolidolFL/FR
 ocean propanalFL/FR
 orris rhizome absolute (iris pallida)FL/FR
 palmarosa oilFL/FR
2-pentyl cyclopentanoneFR
 phenethyl phenyl acetateFL/FR
 tobacco flower absoluteFR
fruity
alpha-amyl cinnamyl isovalerateFL/FR
 amyl heptanoateFL/FR
isoamyl octanoateFL/FR
 cyclohexanone diethyl acetalFL/FR
beta-damasconeFL/FR
(Z)-beta-damasconeFL/FR
(E)-beta-damasconeFL/FR
gamma-decalactoneFL/FR
 ethyl 3-hydroxyhexanoateFL/FR
4-hydroxybenzyl alcoholFL/FR
 methyl (Z)-5-octenoateFL/FR
isopropyl octanoateFL/FR
gamma-undecalactone (aldehyde C-14 (so-called))FL/FR
fungal
 methyl 2-furoateFL/FR
green
alpha-decalactoneFL/FR
 diphenyl methaneFL/FR
 galbanum oilFL/FR
 heptyl heptanoateFL/FR
3-phenyl propionaldehydeFL/FR
hay
 beeswax absoluteFL/FR
 hay absoluteFR
 tobacco leaf absoluteFL/FR
 woodruff absoluteFR
herbal
 apium graveolens seed oil indiaFL/FR
 linalyl acetateFL/FR
 matricaria chamomilla flower oilFL/FR
 methyl nicotinateFL/FR
 origanum oil greeceFL/FR
 saffron indenoneFL/FR
 safranalFL/FR
 theaspiraneFL/FR
gamma-valerolactoneFL/FR
 yerba mate absoluteFL/FR
honey
 phenyl acetic acidFL/FR
mossy
 oakmoss absoluteFL/FR
 treemoss absoluteFR
 veramoss (IFF)FR
musty
ketoisophoroneFL/FR
naphthyl
beta-naphthyl ethyl etherFL/FR
beta-naphthyl methyl etherFL/FR
nutty
 resorcinolFR
phenolic
2'-hydroxyacetophenoneFL/FR
popcorn
2-acetyl pyridineFL/FR
powdery
para-anisyl alcoholFL/FR
soapy
 ethyl undecanoateFL/FR
spicy
 benzyl isoeugenolFL/FR
 croton eluteria bark oilFL/FR
 cubeb oilFL/FR
N,N-diethyl octanamideFR
isoeugenyl acetateFL/FR
 ginger root oil chinaFL/FR
 levisticum officinale root oilFL/FR
 methyl heptadienoneFL/FR
 nutmeg oilFL/FR
thujonic
 armoise oilFR
tobacco
para-cresyl isovalerateFL/FR
3-ethyl pyridineFL/FR
 methyl benzoxoleFL/FR
 tobacco concreteFR
(E,E/E,Z)-tobacco cyclohexenoneFL/FR
2,6,6-trimethyl-2-hydroxycyclohexanoneFL/FR
 veltonal (Bedoukian)FR
tonka
6-amyl-alpha-pyroneFL/FR
 deertongue absoluteFR
(±)-dihydromint lactoneFL/FR
7-methyl coumarinCS
 mint lactoneFL/FR
 octahydrocoumarinFL/FR
 saffron resinoidFL/FR
 tonka bean absoluteFR
 tonka undecanoneFR
 whiskey lactoneFL/FR
tropical
delta-dodecalactoneFL/FR
 genet absoluteFL/FR
 glyceryl 5-hydroxydecanoateFL/FR
 glyceryl 5-hydroxydodecanoateFL/FR
vanilla
 ethyl vanillinFL/FR
 propenyl guaetholFL/FR
 vanilla bean absolute (vanilla planifolia)FL/FR
 vanillyl acetateFL/FR
waxy
1-dodecanolFL/FR
 methyl laurateFL/FR
 myristyl alcoholFL/FR
2-tridecanoneFL/FR
 undecanoic acidFL/FR
woody
 amber decatrieneFR
alpha-cedrene epoxideFR
 guaiacwood oilFL/FR
isolongifolene ketoneFR
 methyl cedryl ketoneFL/FR
 patchouli ethanoneFR
 patchouli oilFL/FR
 sandalwood oilFL/FR
 santallFR
 spruce needle oil canadaFL/FR
 tobacarol (IFF)FR
 tobacco noneneFR
 vetiver oil haitiFL/FR
 vetiverolFL/FR
 woody acetateFR
 woody cyclohexanoneFR
 woody dioxolaneFR
 woody etherFR
 woody propanolFR
 
For Flavor
 
No flavor group found for these
 amyl phenyl acetateFL/FR
 capsicum oleoresinFL
 coconut naphthalenoneFL/FR
 cyclohexanone diethyl acetalFL/FR
alpha-decalactoneFL/FR
 dimethyl benzofuranoneFL
delta-2-dodecenolactoneFL/FR
 fig leaf absoluteFL
 ilex paraguariensis oleoresinFL/FR
 jasmin lactone (IFF)FL/FR
 lauric acidFL/FR
 massoia bark oilFL
 methyl nicotinateFL/FR
 myristyl alcoholFL/FR
4-octen-3-oneFL
 propyl octanoateFL/FR
2-propyl pyridineFL
(R)-tonka furanoneFL
2,6,6-trimethyl-2-hydroxycyclohexanoneFL/FR
 wine lactoneFL/FR
beta-damasconeFL/FR
animal
 civet absoluteFL/FR
6-methyl quinolineFL/FR
balsamic
siam benzoin resinoidFL/FR
 benzyl salicylateFL/FR
isobutyl cinnamateFL/FR
 copaiba balsam oilFL/FR
 ethyl cinnamateFL/FR
 peru balsam oilFL/FR
 tolu balsamFL/FR
berry
 heliotropyl acetoneFL/FR
 raspberry ketoneFL/FR
brown
 beeswax absoluteFL/FR
buttery
 butter cream frosting flavorFL
caramellic
 caramel furanoneFL
 ethyl maltolFL/FR
3-ethyl pyridineFL/FR
 methyl 2-furoateFL/FR
cheesy
2-heptanoneFL/FR
cherry
 heliotropinFL/FR
citrus
ketoisophoroneFL/FR
coconut
delta-decalactoneFL/FR
(R)-massoia lactoneFL
6-methyl coumarinFL
gamma-nonalactone (aldehyde C-18 (so-called))FL/FR
 octahydrocoumarinFL/FR
delta-octalactoneFL/FR
cooling
isobutyl salicylateFL/FR
 theaspiraneFL/FR
corn
2-acetyl pyridineFL/FR
coumarinic
 phthalideFL/FR
creamy
 acetoinFL/FR
6-amyl-alpha-pyroneFL/FR
alpha-angelica lactoneFL/FR
para-anisaldehydeFL/FR
 creamy lactoneFL/FR
5,5-dibutyl dihydrofuran-2(3H)-oneFL
 dihydrocoumarinFL
delta-dodecalactoneFL/FR
 glyceryl 5-hydroxydecanoateFL/FR
 glyceryl 5-hydroxydodecanoateFL/FR
para-methyl acetophenoneFL/FR
 mint lactoneFL/FR
delta-nonalactoneFL/FR
delta-undecalactoneFL/FR
gamma-undecalactone (aldehyde C-14 (so-called))FL/FR
dairy
 methyl (Z)-5-octenoateFL/FR
fatty
2-tridecanoneFL/FR
floral
 cananga oilFL/FR
 dihydrojasmoneFL/FR
 linalyl acetateFL/FR
 ocean propanalFL/FR
 palmarosa oilFL/FR
 phenyl acetic acidFL/FR
fruity
alpha-amyl cinnamyl isovalerateFL/FR
 amyl heptanoateFL/FR
isoamyl octanoateFL/FR
para-anisyl alcoholFL/FR
(E)-beta-damasconeFL/FR
(Z)-beta-damasconeFL/FR
gamma-decalactoneFL/FR
 ethyl 3-hydroxyhexanoateFL/FR
4-hydroxybenzyl alcoholFL/FR
isopropyl octanoateFL/FR
grassy
 tobacco leaf absoluteFL/FR
green
isoamyl salicylateFL/FR
 angelica root oilFL/FR
 diphenyl methaneFL/FR
 galbanum oilFL/FR
 heptyl heptanoateFL/FR
 immortelle absoluteFL/FR
 methyl heptadienoneFL/FR
 nerolidolFL/FR
 oakmoss absoluteFL/FR
3-phenyl propionaldehydeFL/FR
hay
 genet absoluteFL/FR
herbal
 apium graveolens seed oil indiaFL/FR
abrialis lavandin oilFL/FR
 lavender oilFL/FR
 matricaria chamomilla flower oilFL/FR
 origanum oil greeceFL/FR
 saffron indenoneFL/FR
 yerba mate absoluteFL/FR
honey
 phenethyl phenyl acetateFL/FR
lactonic
(±)-dihydromint lactoneFL/FR
delta-heptalactoneFL/FR
gamma-heptalactoneFL/FR
gamma-octalactoneFL/FR
meaty
4-allyl-2,6-dimethoxyphenolFL
naphthyl
2'-hydroxyacetophenoneFL/FR
beta-naphthyl methyl etherFL/FR
nutty
 methyl benzoxoleFL/FR
(E,E/E,Z)-tobacco cyclohexenoneFL/FR
phenolic
para-cresyl isovalerateFL/FR
powdery
 acetophenoneFL/FR
beta-naphthyl ethyl etherFL/FR
soapy
1-dodecanolFL/FR
spicy
 benzyl cinnamateFL/FR
 benzyl isoeugenolFL/FR
 benzylidene acetoneFL
 croton eluteria bark oilFL/FR
 cubeb oilFL/FR
isoeugenyl acetateFL/FR
 ginger root oil chinaFL/FR
 levisticum officinale root oilFL/FR
 methyl cinnamateFL/FR
 nutmeg oilFL/FR
 paprika oleoresinFL
 root beer float flavorFL
sweet
 ethyl 3-(2-hydroxyphenyl) propionateFL
 orange vanilla cream flavorFL
 orris rhizome absolute (iris pallida)FL/FR
 saffron resinoidFL/FR
tonka
gamma-valerolactoneFL/FR
vanilla
 ethyl vanillinFL/FR
vanilla ice cream flavorFL
 propenyl guaetholFL/FR
 vanilla bean absolute (vanilla planifolia)FL/FR
 vanillyl acetateFL/FR
waxy
 dihydrojasmone lactoneFL/FR
 ethyl undecanoateFL/FR
alpha-hexyl cinnamaldehydeFL/FR
 hydroxycitronellalFL/FR
 methyl laurateFL/FR
 undecanoic acidFL/FR
woody
 ambrette seed absoluteFL/FR
 amyris wood oilFL/FR
delta-damasconeFL/FR
 guaiacwood oilFL/FR
 methyl cedryl ketoneFL/FR
 patchouli oilFL/FR
 safranalFL/FR
 sandalwood oilFL/FR
 spruce needle oil canadaFL/FR
 vetiver oil haitiFL/FR
 vetiverolFL/FR
 whiskey lactoneFL/FR
 
Synonyms   Articles   Notes   Search   Top
Potential Uses:
 apricotFR
 beef roasted beef 
 bread white bread 
 caramelFL
 chocolate cocoa 
 cloudberry bakeapple 
 coconutFR
 creamFR
 grapeFR
 hay new mown hay foin coupeFR
 herbalFR
 mapleFR
 nut almond toastedFL
 passion fruitFR
 peachFR
 pineappleFR
 plumFR
 raspberryFR
 strawberryFR
 tea greenFR
 tobaccoFR
 tomatoFL
 tonka beanFR
 vanillaFR
Synonyms   Articles   Notes   Search   Top
Occurrence (nature, food, other): note
 apricot fruit
Search Trop  Picture
 bread
Search  PMC Picture
 cloudberry fruit
Search Trop  Picture
 cocoa
Search Trop  Picture
 filbert roasted filbert
Search Trop  Picture
 grape dried grape
Search  PMC Picture
 malpighia glabra l. fruit oil @ 0.60%
Data  GC  Search Trop  Picture
 milk
Search  PMC Picture
 passion fruit
Search Trop  Picture
 peach fruit
Search Trop  Picture
 pineapple fruit
Search Trop  Picture
 plum fruit
Search Trop  Picture
 raspberry red raspberry fruit
Search Trop  Picture
 strawberry wild strawberry fruit
Search Trop  Picture
 tea green tea with jasmin
PbMd  Search  Picture
 tomato
Search Trop  Picture
Synonyms   Articles   Notes   Search   Top
Synonyms:
g-caprolactone
gamma-caprolactone
 dehydrotonkalide
4-ethyl butan-4-olide
 ethyl butyrolactone
gamma-ethyl butyrolactone
5-ethyl dihydro-2(3H)-furanone
5-ethyl tetrahydro-2-furanone
4-ethyl-4-butanolide
4-ethyl-4-hydroxybutanoic acid lactone
5-ethyl-dihydro-furan-2-one
gamma-ethyl-gamma-butyrolactone
gamma-ethyl-N-butyrolactone
4-ethylbutan-4-olide
5-ethyldihydro-2(3H)-furanone
5-ethyloxolan-2-one
5-ethyltetrahydro-2-furanone
 furan-2(3H)-one, 5-ethyldihydro-
 furan-2(5H)-one, 3,4-dihydro-5-ethyl-
2(3H)-furanone, 5-ethyldihydro-
gamma-hexalactone
gamma hexalactone
gamma-hexalactone FCC
 hexalactone gamma
gamma-hexalactone natural
 hexan-4-olide
 hexano-1,4-lactone
gamma-hexanolactone
4-hexanolide
 hexanolide-1,4
4-hydroxyhexanoic acid gamma-lactone
4-hydroxyhexanoic acid lactone
 tonkalide
Synonyms   Articles   Notes   Search   Top
Synonyms   Articles   Notes   Search   Top
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