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467154

N-(tert-Butoxycarbonyl)-L-cysteine methyl ester

Name: <I>N</I>-(<I>tert</I>-Butoxycarbonyl)-<SC>L</SC>-cysteine methyl ester
Brand: ALDRICH

97%, for peptide synthesis

Synonym(s):

N-Boc-L-cysteine methyl ester

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About This Item

Linear Formula:

HSCH₂CH[NHCO₂C(CH₃)₃]CO₂CH₃

CAS Number:

55757-46-5

Molecular Weight:

235.30

UNSPSC Code:

12352209

eCl@ss:

32160406

PubChem Substance ID:

24870386

NACRES:

NA.22

MDL number:

MFCD00799495

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Properties

Product Name

N-(tert-Butoxycarbonyl)-L-cysteine methyl ester, 97%

Quality Segment

100

assay

97%

form

liquid

optical activity

[α]22/D +21°, c = 7.5 in chloroform

reaction suitability

reaction type: solution phase peptide synthesis

refractive index

n20/D 1.475 (lit.)

bp

214 °C (lit.)

density

1.143 g/mL at 25 °C (lit.)

application(s)

peptide synthesis

SMILES string

COC(=O)[C@H](CS)NC(=O)OC(C)(C)C

InChI

1S/C9H17NO4S/c1-9(2,3)14-8(12)10-6(5-15)7(11)13-4/h6,15H,5H2,1-4H3,(H,10,12)/t6-/m0/s1

InChI key

NJGIAKIPSDCYAC-LURJTMIESA-N

Description

Application

N-(tert-Butoxycarbonyl)-L-cysteine methyl ester is an N-terminal protected reagent that can be used in the synthesis of peptides and proteins containing cysteine residues, which can further be converted to dehydroalanine.

Storage Class

10 - Combustible liquids

wgk

WGK 3

flash_point_f

235.4 °F - closed cup

flash_point_c

113 °C - closed cup

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