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778451

Sigma-Aldrich

L-Cysteine hydrochloride monohydrate

Produced by Wacker Chemie AG, Burghausen, Germany, Life Science, 98.5-101.0%

Synonym(s):

Cysteine hydrochloride monohydrate, Cysteine monohydrate hydrochloride

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About This Item

Linear Formula:
HSCH2CH(NH2)COOH · HCl · H2O
CAS Number:
Molecular Weight:
175.63
Beilstein:
5158059
EC Number:
MDL number:
UNSPSC Code:
12352209
PubChem Substance ID:
NACRES:
NA.22

grade

Produced by Wacker Chemie AG, Burghausen, Germany, Life Science

Quality Level

Assay

98.5-101.0%

form

powder or crystals

optical activity

[α]/D 5.7 to 6.8°

reaction suitability

reaction type: solution phase peptide synthesis

impurities

≤0.2% any ninhydrin positive substance each (total ≤1.0%)
≤0.5% ninhydrin positive substances: impurity A
≤200 ppm ammonium

ign. residue

≤0.1%

loss

8-12% loss on drying

solubility

water: 100 mg/mL at 25 °C

anion traces

sulfate (SO42-): ≤0.030%

cation traces

Fe: ≤10 ppm

suitability

clear, colorless for appearance of solution

application(s)

peptide synthesis

SMILES string

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

InChI

1S/C3H7NO2S.ClH.H2O/c4-2(1-7)3(5)6;;/h2,7H,1,4H2,(H,5,6);1H;1H2/t2-;;/m0../s1

InChI key

QIJRTFXNRTXDIP-JIZZDEOASA-N

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General description

This product is supplied from Wacker FERMOPURE® material, but is sold for R&D use only, not for drug, household or other uses.

Application

L-Cysteine hydrochloride monohydrate can be used in the synthesis of protein photo-cross-linkers based on 2-aryl-5-carboxytetrazole , and Zn2+-doped non-linear optical crystal by conventional slow evaporation solution technique.

Biochem/physiol Actions

NMDA glutamatergic receptor antagonist.

Legal Information

FERMOPURE is a registered trademark of Wacker Chemie AG

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable


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