CAS 256487-77-1|N-Boc-4-oxo-L-proline methyl ester

Introduction：Basic information about CAS 256487-77-1|N-Boc-4-oxo-L-proline methyl 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. Synonyms

Common Name	N-Boc-4-oxo-L-proline methyl ester
CAS Number	256487-77-1	Molecular Weight	243.256
Density	1.3±0.1 g/cm3	Boiling Point	386.8±42.0 °C at 760 mmHg
Molecular Formula	C₁₁H₁₇NO₅	Melting Point	/
MSDS	/	Flash Point	187.7±27.9 °C

Names

Name	1-O-tert-butyl 2-O-methyl (2R)-4-oxopyrrolidine-1,2-dicarboxylate
Synonym	More Synonyms

Chemical & Physical Properties

Density	1.3±0.1 g/cm3
Boiling Point	386.8±42.0 °C at 760 mmHg
Molecular Formula	C₁₁H₁₇NO₅
Molecular Weight	243.256
Flash Point	187.7±27.9 °C
Exact Mass	243.110672
PSA	72.91000
LogP	0.10
Vapour Pressure	0.0±1.9 mmHg at 25°C
Index of Refraction	1.506
InChIKey	UPBHYYJZVWZCOZ-MRVPVSSYSA-N
SMILES	COC(=O)C1CC(=O)CN1C(=O)OC(C)(C)C
Storage condition	2~8℃

Safety Information

Hazard Codes	Xi
HS Code	2933990090

Customs

HS Code	2933990090
Summary	2933990090. heterocyclic compounds with nitrogen hetero-atom(s) only. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0%

Synonyms

Boc-ketopyrrolidine methyl ester

1-tert-butyl 2-methyl (2R)-4-oxopyrrolidine-1,2-dicarboxylate

(R)-N-Boc-2-methoxycarbonyl-4-pyrrolidone

Boc-4-oxo-D-proline methyl ester

4-oxopyrrolidine-1,2R-dicarboxylic acid 1-tert-butyl ester 2-methyl ester

PS-J-119

1,2-Pyrrolidinedicarboxylic acid, 2-methyl-4-oxo-, 1-(1,1-dimethylethyl) ester, (2R)-

(R)-1-TERT-BUTYL 2-METHYL 4-OXOPYRROLIDINE-1,2-DICARBOXYLATE

4-oxopyrrolidine-N-1,2-(R)-dicarboxylic acid 1-tert-butyl ester 2-methyl ester

1-tert-butyl 2-methyl (R)-4-oxopyrrolidine-1,2-dicarboxylate

2-Methyl-1-{[(2-methyl-2-propanyl)oxy]carbonyl}-4-oxo-D-proline

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