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410209

Sigma-Aldrich

L-Cysteine methyl ester hydrochloride

98%, for peptide synthesis

Synonym(s):

(R)-Cysteine methyl ester hydrochloride

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About This Item

Linear Formula:
HSCH2CH(NH2)COOCH3 · HCl
CAS Number:
18598-63-5
Molecular Weight:
171.65
Beilstein:
3685824
EC Number:
242-435-0
MDL number:
MFCD00038985
UNSPSC Code:
12352209
eCl@ss:
32160406
PubChem Substance ID:
24865699
NACRES:
NA.22

product name

L-Cysteine methyl ester hydrochloride, 98%

Assay

98%

form

solid

optical activity

[α]20/D −1.8°, c = 10 in methanol

reaction suitability

reaction type: solution phase peptide synthesis

mp

142 °C (dec.) (lit.)

application(s)

peptide synthesis

SMILES string

Cl[H].COC(=O)[C@@H](N)CS

InChI

1S/C4H9NO2S.ClH/c1-7-4(6)3(5)2-8;/h3,8H,2,5H2,1H3;1H/t3-;/m0./s1

InChI key

WHOHXJZQBJXAKL-DFWYDOINSA-N

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Storage Class Code

11 - Combustible Solids

WGK

WGK 2

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Mohamed R Shehata et al.
Dalton transactions (Cambridge, England : 2003), (6)(6), 779-786 (2008-02-02)
The complex-formation equilibria of [Pd(SMC)(H2O)2]+, where SMC = S-methyl-l-cysteinate, with bio-relevant ligands such as amino acids, peptides, dicarboxylic acids and DNA constituents were studied and their formation constants were determined. The binding mode of the ligands containing various functional groups
A F Lailey et al.
Biochemical pharmacology, 42 Suppl, S47-S54 (1991-12-11)
Perfluoroisobutene (PFIB) is a hydrophobic reactive gas produced by the pyrolysis of polytetrafluoroethane which induces pulmonary oedema similar to that induced by phosgene when inhaled. When a lethal dose is inhaled by Porton strain rats total non-protein thiol (NPSH) and
Itai Chipinda et al.
Chemical research in toxicology, 19(3), 341-350 (2006-03-21)
Diisocyanates (dNCOs) are the most commonly reported cause of chemically induced occupational asthma, but the ultimate antigenic form is unknown. Reactions of the three most common monomeric dNCOs, hexamethylene dNCO (HDI), methylene diphenylisocyanate (MDI), and toluene dNCO (TDI), with cysteine
B E Svensson
The Biochemical journal, 253(2), 441-449 (1988-07-15)
Nine low-Mr thiols were compared with regard to their ability to function as myeloperoxidase-oxidase substrates under conditions where no auto-oxidation of the thiols could be observed. The methyl and ethyl esters of cysteine were found to be about twice as
T A Cook et al.
Biochemistry, 39(44), 13516-13523 (2000-11-07)
PDE6 (type 6 phosphodiesterase) from rod outer segments consists of two types of catalytic subunits, alpha and beta; two inhibitory gamma subunits; and one or more delta subunits found only on the soluble form of the enzyme. About 70% of
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