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C121908

Sigma-Aldrich

L-Cysteine ethyl ester hydrochloride

98%

Synonym(s):

(R)-Ethyl 2-amino-3-mercaptopropanoate hydrochloride, Cystanin, Ethyl L-cysteinate hydrochloride

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About This Item

Linear Formula:
HSCH2CH(NH2)COOC2H5 · HCl
CAS Number:
868-59-7
Molecular Weight:
185.67
Beilstein:
3562600
EC Number:
212-779-6
MDL number:
MFCD00012631
UNSPSC Code:
12352209
eCl@ss:
32160406
PubChem Substance ID:
24892386
NACRES:
NA.22

Quality Level

200

Assay

98%

form

powder

optical activity

[α]20/D −7.9°, c = 1 in 1 M HCl

optical purity

ee: 99% (GLC)

reaction suitability

reaction type: solution phase peptide synthesis

color

white

mp

123-125 °C (lit.)

application(s)

peptide synthesis

SMILES string

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

InChI

1S/C5H11NO2S.ClH/c1-2-8-5(7)4(6)3-9;/h4,9H,2-3,6H2,1H3;1H/t4-;/m0./s1

InChI key

JFKJWWJOCJHMGV-WCCKRBBISA-N

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Related Categories

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

Certificates of Analysis (COA)

Search for Certificates of Analysis (COA) by entering the products Lot/Batch Number. Lot and Batch Numbers can be found on a product’s label following the words ‘Lot’ or ‘Batch’.

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Sigma-Aldrich

01423

N-Acetyl-D-penicillamine

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