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L-Cysteine hydrochloride monohydrate

Name: <SC>L</SC>-Cysteine hydrochloride monohydrate
Brand: ALDRICH

Wacker Chemie AG, 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:

7048-04-6

Molecular Weight:

175.63

UNSPSC Code:

12352209

NACRES:

NA.22

PubChem Substance ID:

329767969

EC Number:

200-157-7

Beilstein/REAXYS Number:

5158059

MDL number:

MFCD00065606

eCl@ss:

32160406

Assay:

98.5-101.0%

Form:

powder or crystals

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Properties

Quality Segment

200

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

manufacturer/tradename

Wacker Chemie AG

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 (SO₄^2-): ≤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

Description

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

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This Item	C7880	1.02735	PHR1102
Sigma-Aldrich 778451 L-Cysteine hydrochloride monohydrate	Sigma-Aldrich C7880 L-Cysteine hydrochloride monohydrate	SAFC 1.02735 L-Cysteine hydrochloride monohydrate	Supelco PHR1102 L-Cysteine hydrochloride monohydrate
assay 98.5-101.0%	assay ≥98% (TLC)	assay 98.5-101.0% dry basis (alkalimetric)	assay -
Quality Level 200	Quality Level 200	Quality Level 500	Quality Level 300
form powder or crystals	form powder	form crystalline powder	form -
solubility water: 100 mg/mL at 25 °C	solubility -	solubility 650 g/L	solubility -
anion traces sulfate (SO₄^2-): ≤0.030%	anion traces -	anion traces sulfate (SO₄^2-): ≤300 ppm	anion traces -
impurities ≤0.2% any ninhydrin positive substance each (total ≤1.0%), ≤200 ppm ammonium, ≤0.5% ninhydrin positive substances: impurity A	impurities -	impurities -	impurities -

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Storage Class

11 - Combustible Solids

flash_point_f

Not applicable

flash_point_c