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Merck
CN

W778567

L-Cysteine hydrochloride

FG, product of Wacker Chemie AG

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About This Item

Linear Formula:
HSCH2CH(NH2)COOH · HCl
CAS Number:
52-89-1
Molecular Weight:
157.62
Beilstein:
3560277
EC Number:
200-157-7
MDL number:
MFCD00064553
UNSPSC Code:
12352200
PubChem Substance ID:
329830759
Flavis number:
17.032
NACRES:
NA.21

Key Documents

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biological source

synthetic

grade

FG
Halal

reg. compliance

EU Regulation 178/2002

optical activity

[α]/D 5.7 to 6.8° (Ph. Eur. (2.2.7))

impurities

≤10 ppm heavy metals (Ph. Eur. (2.4.8/A))
≤200 ppm ammonium (Ph. Eur. (2.4.1B))

ign. residue

≤0.1% (Ph. Eur. (2.4.14))

loss

≤2.0% loss on drying

solubility

H2O: 250 mg/10 mL, clear, colorless

cation traces

As: ≤1 ppm (Ph. Eur. (2.4.2/A))
Pb: ≤5 ppm

suitability

clear, colorless for appearance of solution (Ph. Eur. (2.2.1))
positive for identity (Ph. Eur. (2.2.24))

application(s)

flavors and fragrances

Documentation

see Safety & Documentation for available documents

food allergen

no known allergens

Organoleptic

odorless

SMILES string

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

InChI

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

InChI key

IFQSXNOEEPCSLW-DKWTVANSSA-N

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General description

L-cysteine is a sulfur-containing amino acid.

Application

The addition of L-cysteine hydrochloride to wheat flour led to the reduction in the peak viscosity during the analysis of its pasting characteristics using rapid visco analyzer (RVA).

Biochem/physiol Actions

NMDA glutamatergic receptor agonist that is also an agonist at AMPA glutamatergic receptors at high concentrations.
NMDA glutamatergic receptor agonist; AMPA glutamatergic receptor agonist at high concentrations.

Storage Class Code

11 - Combustible Solids

WGK

WGK 1

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

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Certificates of Analysis (COA)

Lot/Batch Number
STBJ4383
STBJ1142
STBH4441
STBF6048V
STBD4113V

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Use of Rapid Visco Analyser (RVA) for measuring the pasting characteristics of wheat flour as influenced by additives.
Ravi R, et al
Journal of the Science of Food and Agriculture, 79(12), 1571-1576 (1999)
Antioxidant effects of sulfur-containing amino acids
Atmaca G
Yonsei Medical Journal, 45, 776-788 (2004)
Chen Ding et al.
Microbial ecology, 70(2), 433-444 (2015-03-19)
Anaerobic alkane degradation via methanogenesis has been intensively studied under mesophilic and thermophilic conditions. While there is a paucity of information on the ability and composition of anaerobic alkane-degrading microbial communities under low temperature conditions. In this study, we investigated
Sabine A Tanner et al.
The British journal of nutrition, 114(5), 746-755 (2015-08-28)
Modulating the gut microbiota via dietary interventions is a common strategy to enhance the natural defence mechanisms of the host. Several in vitro studies have highlighted the probiotic potential of Bifidobacterium thermophilum RBL67 (RBL67) selected for its anti-Salmonella effects. The
Joanne Mawhinney et al.
Acta odontologica Scandinavica, 73(3), 188-194 (2014-11-12)
The aim of this study was to compare internal bacterial colonization in two implant systems, one screw root form (SRF) with an external hexagon connection and one plateau root form (PRF) with a Morse taper internal connection. Thirty-two implants; 12
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