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Merck

778451

L-Cysteine hydrochloride monohydrate

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

Key Documents

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SMILES string

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

InChI key

QIJRTFXNRTXDIP-JIZZDEOASA-N

InChI

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

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 (SO42-): ≤0.030%

cation traces

Fe: ≤10 ppm

suitability

clear, colorless for appearance of solution

application(s)

peptide synthesis

Quality Level

200

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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

11 - Combustible Solids

flash_point_f

Not applicable

flash_point_c

Not applicable

Regulatory Listings

Regulatory Listings are mainly provided for chemical products. Only limited information can be provided here for non-chemical products. No entry means none of the components are listed. It is the user’s obligation to ensure the safe and legal use of the product.

778451-1KG: + 778451-VAR: + 778451-100G: + 778451-BULK: + 778451-25KG:

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Genetic encoding of 2-aryl-5-carboxytetrazole-based protein photo-cross-linkers
Tian Y and Lin Q
Chemical Communications (Cambridge, England), 54(35), 4449-4452 (2018)
Synthesis and characterisation of transition metal doped l-cysteine hydrochloride monohydrate single crystal by conventional and unidirectional method and its comparative study
Ramachandra RK, et al.
Materials Research Innovations, 20(7), 538-544 (2016)
Gerdt Müller et al.
Biotechnology for biofuels, 8, 187-187 (2015-11-27)
The emerging bioeconomy depends on improved methods for processing of lignocellulosic biomass to fuels and chemicals. Saccharification of lignocellulose to fermentable sugars is a key step in this regard where enzymatic catalysis plays an important role and is a major
Qinjian Zhao et al.
Human vaccines & immunotherapeutics, 10(3), 734-739 (2013-12-05)
Cryo-transmission electron microscopy (cryoTEM) is a powerful characterization method for assessing the structural properties of biopharmaceutical nanoparticles, including Virus Like Particle-based vaccines. We demonstrate the method using the Human Papilloma Virus (HPV) VLPs in GARDASIL®. CryoTEM, coupled to automated data
Jiahua Li et al.
American journal of physiology. Cell physiology, 305(2), C190-C196 (2013-05-17)
Claudins constitute a family of tight junction transmembrane proteins whose first extracellular loop (ECL1) determines the paracellular permeability and ion selectivity in epithelia. There are two cysteines in the ECL1 that are conserved among all claudins. We hypothesized that these
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