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Merck
CN

30160

L-Cysteine methyl ester hydrochloride

puriss., ≥99.0% (RT)

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About This Item

Linear Formula:
HSCH2CH(NH2)COOCH3 · HCl
CAS Number:
Molecular Weight:
171.65
EC Number:
242-435-0
UNSPSC Code:
12352200
MDL number:
Beilstein/REAXYS Number:
3685824
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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

SMILES string

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

grade

puriss.

assay

≥99.0% (RT)

optical activity

[α]20/D −2.1±0.2°, c = 10% in methanol

mp

~140 °C, 142 °C (dec.) (lit.)

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Other Notes

Used e.g. in the synthesis of peptides; Preparation of thiazolidine-4-carboxylates with carbonyl compounds

Storage Class

11 - Combustible Solids

wgk

WGK 2

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

dust mask type N95 (US), Eyeshields, Gloves

Regulatory Information

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J.E. Baldwin et al.
Tetrahedron Letters, 27, 3461-3461 (1986)
M.D. Threadgill et al.
The Journal of Organic Chemistry, 54, 2940-2940 (1989)
D. Chiarino et al.
Journal of Heterocyclic Chemistry, 26, 589-589 (1989)
Y. Hamada et al.
The Journal of Organic Chemistry, 52, 1252-1252 (1987)

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