Dayang Chem (Hangzhou) Co., Ltd.
China
Product Name: L-xylo-2-Hexulosonicacid, methyl ester
Price: $Inquiry/100g $Inquiry/1kg $Inquiry/100kg $Inquiry/1000kg
Purity: 98.0%
Stocking Period: Inquiry
Contact: Ms Wang
Email: enquiry@dycnchem.com

3031-98-9

3031-98-9 structure

Name: METHYL 2-KETO-L-GULONATE
Chemical Name: methyl (3S,4R,5S)-3,4,5,6-tetrahydroxy-2-oxohexanoate
CAS Number: 3031-98-9
Molecular Formula: C₇H₁₂O₇
Molecular Weight: 208.166
Create Date: 2016-09-16 19:37:51
Modify Date: 2026-06-30 11:45:07

Name	methyl (3S,4R,5S)-3,4,5,6-tetrahydroxy-2-oxohexanoate
Synonyms	Methyl L-sorbosonate Gulonic acid,2-keto-,methyl ester,L Ascorbic Acid Impurity 14（Ascorbic Acid BP Impurity D） Methyl L-xylo-hexulosonate Ascorbic Acid Impurity 14 (Ascorbic Acid Impurity D) (Methyl L-Sorbosonic Acid) 2-Keto-L-gulonsuremethylester Methyl L-xylohexulosonate Methyl L-xylo-hex-2-ulosonate Ascorbic Acid Impurity D (Methyl L-Sorbosonic Acid) L-xylo-2-Hexulosonic acid methyl ester Nsc163924 Xylohexulosonic acid, methyl ester Ascorbic Acid Impurity 14(methyl L-sorbosonate) 2-Oxo-L-gulonsaeure-methylester Sodium Ascorbate Impurity D Vitamin C Impurity D 2-Keto-L-gulonic acid methyl ester 2-Keto-l-gulonsaeuremethylester Wln: Q1yqyqyqvvo1 Ascorbic Acid Impurity 14（Ascorbic acid Impurity D）(methyl L-sorbosonate) methyl L-xylo-hex-2-ulosonate (methyl L-sorbosonate) L-xylo-hex-2-ulosonic acid (L-sorbosonic acid) Methyl L-xylo-2-hexulosonate (3S,4R,5S)-Methyl 3,4,5,6-tetrahydroxy-2-oxohexanoate Xylohexulosonic acid,methyl ester methyl(3S,4R,5S)-3,4,5,6-tetrahydroxy-2-oxohexanoate Methyl 2-keto-L-gulonate Ascorbic Acid Impurity D Ascorbic Acid BP Impurity D L-Sorbosonic acid, methyl ester

Density	1.5±0.1 g/cm3
Boiling Point	495.4±45.0 °C at 760 mmHg
Melting Point	158-159 °C
Molecular Formula	C₇H₁₂O₇
Molecular Weight	208.166
Flash Point	204.6±22.2 °C
Exact Mass	208.058304
PSA	124.29000
LogP	-2.06
Vapour Pressure	0.0±2.9 mmHg at 25°C
Index of Refraction	1.535

CHEMICAL IDENTIFICATION

RTECS NUMBER :: ZF1500000

CHEMICAL NAME :: Xylohexulosonic acid, methyl ester

CAS REGISTRY NUMBER :: 3031-98-9

LAST UPDATED :: 197901

DATA ITEMS CITED :: 1

MOLECULAR FORMULA :: C7-H12-O7

MOLECULAR WEIGHT :: 208.19

WISWESSER LINE NOTATION :: Q1YQYQYQVVO1

HEALTH HAZARD DATA

ACUTE TOXICITY DATA

TYPE OF TEST :: LD50 - Lethal dose, 50 percent kill

ROUTE OF EXPOSURE :: Intravenous

SPECIES OBSERVED :: Rodent - mouse

DOSE/DURATION :: 180 mg/kg

TOXIC EFFECTS :: Details of toxic effects not reported other than lethal dose value

REFERENCE :: CSLNX* U.S. Army Armament Research & Development Command, Chemical Systems Laboratory, NIOSH Exchange Chemicals. (Aberdeen Proving Ground, MD 21010) Volume(issue)/page/year: NX#02419

HS Code	2918990090

526-98-7

3031-98-9

Literature: ARCHER-DANIELS-MIDLAND COMPANY Patent: EP1206435 B1, 2004 ; Location in patent: Page column 8-9 ;

67-56-1

526-98-7

3031-98-9

Literature: Drefahl; Gross Journal fuer Praktische Chemie (Leipzig), 1955 , vol. <4> 1, p. 153,154

50-81-7

~1%

3031-98-9

Literature: Rhone Poulenc Rorer S.A. Patent: US5391770 A1, 1995 ;

186581-53-3

526-98-7

3031-98-9

Literature: Reichstein; Gruessner Helvetica Chimica Acta, 1934 , vol. 17, p. 311,319 Full Text Show Details Sumiki; Mitsunaga Nippon Nogei Kagaku Kaishi, 1951 , vol. 25, p. 198 Chem.Abstr., 1953 , p. 10643

Precursor 4
526-98-7 67-56-1 50-81-7 186581-53-3
DownStream 1
50-81-7

HS Code	2918990090
Summary	2918990090. other carboxylic acids with additional oxygen function and their anhydrides, halides, peroxides and peroxyacids; their halogenated, sulphonated, nitrated or nitrosated derivatives. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:30.0%

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