CAS 72657-23-9|(R)-Roche ester

Introduction：Basic information about CAS 72657-23-9|(R)-Roche ester, including its chemical name, molecular formula, synonyms, physicochemical properties, and safety information, etc.

Table of Contents

1. Names
2. Chemical & Physical Properties
3. Safety Information
4. Customs
5. Articles3
6. Synonyms

Common Name	(R)-Roche ester
CAS Number	72657-23-9	Molecular Weight	118.131
Density	1.1±0.1 g/cm3	Boiling Point	175.0±0.0 °C at 760 mmHg
Molecular Formula	C₅H₁₀O₃	Melting Point	/
MSDS	ChineseUSA	Flash Point	81.1±0.0 °C

Names

Name	(R)-(-)-3-Hydroxy-2-Methylpropionic Acid Methyl Ester
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.1±0.1 g/cm3
Boiling Point	175.0±0.0 °C at 760 mmHg
Molecular Formula	C₅H₁₀O₃
Molecular Weight	118.131
Flash Point	81.1±0.0 °C
Exact Mass	118.062996
PSA	46.53000
LogP	-0.55
Vapour Pressure	0.4±0.7 mmHg at 25°C
Index of Refraction	1.420
Storage condition	2-8°C

Safety Information

Personal Protective Equipment	Eyeshields;Faceshields;full-face respirator (US);Gloves;multi-purpose combination respirator cartridge (US);type ABEK (EN14387) respirator filter
Risk Phrases	10
Safety Phrases	S16
WGK Germany	3
HS Code	2918199090

Customs

HS Code	2918199090
Summary	2918199090 other carboxylic acids with alcohol function but without other oxygen function, their anhydrides, halides, peroxides, peroxyacids and their derivatives。Supervision conditions:None。VAT:17.0%。Tax rebate rate:9.0%。MFN tariff:6.5%。General tariff:30.0%

Articles3

Tetrahedron Lett. 34 , 5939, (1993)

J. Chem. Soc. Perkin Trans. I , 759, 1823, (1993)

Aldrichimica Acta 17 , 42, (1984)

Synonyms

Propanoic acid, 3-hydroxy-2-methyl-, methyl ester, (2R)-

Roche ester

MFCD00063450

Methyl (2R)-3-hydroxy-2-methylpropanoate

(r)-(-)-3-hydroxy-2-methylpropionic acid methyl ester

Methyl (R)-(-)-3-hydroxy-2-methyl-propionate

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