N-(TERT-BUTOXYCARBONYL)-L-CYSTEINE METHYL ESTER

CAS No.：55757-46-5

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This product is a chemical product/pharmaceutical intermediate. It is not a drug, an active pharmaceutical ingredient (API), or a pharmaceutical-grade material. It has not been granted a drug approval number or a Chemical Drug Substance Approval Notice, has not passed drug-related review and approval, and is not manufactured, tested, or released in accordance with pharmaceutical GMP.
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N-(TERT-BUTOXYCARBONYL)-L-CYSTEINE METHYL ESTER Basic information

Product Name:	N-(TERT-BUTOXYCARBONYL)-L-CYSTEINE METHYL ESTER
Synonyms:	N-(tert-Butoxycarbonyl)-L-cysteine Methyl ester 97%;N-Boc-L-Cysteine methyl ester;methyl (2R)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-sulfanylpropanoate;N-(TERT-BUTOXYCARBONYL)-L-CYSTEINE METHYL ESTER;Methyl (tert-butoxycarbonyl)-L-cysteinate;L-Cysteine, N-[(1,1-dimethylethoxy)carbonyl]-, methyl ester;N-(TERT-BUTOXYCARBONYL)-L-CYSTEINE METHYL ESTER USP/EP/BP;BOC-L-Cysteinate methyl
CAS:	55757-46-5
MF:	C9H17NO4S
MW:	235.3
EINECS:
Product Categories:	Amino Acid Derivatives;Cysteine/Cystine;Peptide Synthesis
Mol File:	55757-46-5.mol

N-(TERT-BUTOXYCARBONYL)-L-CYSTEINE METHYL ESTER Chemical Properties

Boiling point	214 °C(lit.)
density	1.143 g/mL at 25 °C(lit.)
refractive index	n20/D 1.475(lit.)
Fp	113 °C
pka	9.29±0.10(Predicted)
optical activity	[α]22/D +21°, c = 7.5 in chloroform

Safety Information

WGK Germany

MSDS Information

N-(TERT-BUTOXYCARBONYL)-L-CYSTEINE METHYL ESTER Usage And Synthesis

Uses	N-(tert-Butoxycarbonyl)-L-cysteine methyl ester is a research chemical compound used in the preparation of terminal alkenes and allyl sulfides and preparation of trifluoromethyl substituted compounds.

N-(TERT-BUTOXYCARBONYL)-L-CYSTEINE METHYL ESTER Preparation Products And Raw materials

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