Shanghai Nianxing Industrial Co., Ltd
China
Product Name: Palmitic acid
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Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: 4,5-DIMETHYL-5-HYDROXY-3-(METHOXYCARBONYL)-3,4-EPOXY-GAMMA-BUTYROLACTONE
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
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142438-57-1

142438-57-1 structure

142438-57-1 structure

Name: 4,5-DIMETHYL-5-HYDROXY-3-(METHOXYCARBONYL)-3,4-EPOXY-GAMMA-BUTYROLACTONE
Chemical Name: methyl 4-hydroxy-4,5-dimethyl-2-oxo-3,6-dioxabicyclo[3.1.0]hexane-1-carboxylate
CAS Number: 142438-57-1
Molecular Formula: C₈H₁₀O₆
Molecular Weight: 202.16100
Create Date: 2017-07-29 14:53:34
Modify Date: 2025-09-23 08:43:18

Name	methyl 4-hydroxy-4,5-dimethyl-2-oxo-3,6-dioxabicyclo[3.1.0]hexane-1-carboxylate

Density	1.572g/cm3
Boiling Point	329.7ºC at 760mmHg
Molecular Formula	C₈H₁₀O₆
Molecular Weight	202.16100
Flash Point	135.2ºC
Exact Mass	202.04800
PSA	85.36000
Vapour Pressure	1.29E-05mmHg at 25°C
Index of Refraction	1.558

CHEMICAL IDENTIFICATION

RTECS NUMBER :: JG6802000

CHEMICAL NAME :: 3,6-Dioxabicyclo(3.1.0)hexane-1-carboxylic acid, 4,5-dimethyl-4-hydroxy-2-oxo-, methyl ester

CAS REGISTRY NUMBER :: 142438-57-1

LAST UPDATED :: 199410

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C8-H10-O6

MOLECULAR WEIGHT :: 202.18

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

MUTATION DATA

TYPE OF TEST :: Mutation in microorganisms

TEST SYSTEM :: Bacteria - Salmonella typhimurium

DOSE/DURATION :: 2 mg

REFERENCE :: JAFCAU Journal of Agricultural and Food Chemistry. (American Chemical Soc., Distribution Office Dept. 223, POB 57136, West End Stn., Washington, DC 20037) V.1- 1953- Volume(issue)/page/year: 40,1625,1992

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