Merck
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168149

Sigma-Aldrich

L-Cysteine

97%

Synonym(s):
(R)-2-Amino-3-mercaptopropionic acid
Linear Formula:
HSCH2CH(NH2)CO2H
CAS Number:
Molecular Weight:
121.16
Beilstein:
1721408
Número de EC:
Número MDL:
eCl@ss:
32160406
ID de la sustancia en PubChem:
NACRES:
NA.22

Nivel de calidad

ensayo

97%

formulario

solid

actividad óptica

[α]20/D +6.5±1.5°, c = 2 in 5 M HCl

pureza óptica

ee: 96% (GLC)

reaction suitability

reaction type: solution phase peptide synthesis

mp

240 °C (dec.) (lit.)

solubilidad

hydrochloric acid: 5% in 1N, clear, colorless

application(s)

peptide synthesis

SMILES string

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

InChI

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

InChI key

XUJNEKJLAYXESH-REOHCLBHSA-N

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L-Cysteine 97%

Sigma-Aldrich

168149

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Sigma-Aldrich

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L-Cysteine

assay

97%

assay

-

assay

≥97%

assay

≥98.5% (RT)

form

solid

form

-

form

-

form

powder or crystals

optical activity

[α]20/D +6.5±1.5°, c = 2 in 5 M HCl

optical activity

-

optical activity

[α]26/D +8.0 to +9.5°, c = 2 in 5 M HCl

optical activity

[α]20/D +8.0±0.5°, c = 5% in 5 M HCl

mp

240 °C (dec.) (lit.)

mp

240 °C (dec.) (lit.)

mp

240 °C (dec.) (lit.)

mp

240 °C (dec.) (lit.)

solubility

hydrochloric acid: 5% in 1N, clear, colorless

solubility

-

solubility

H2O: 25 mg/mL

solubility

1 M HCl: 1 M at 20 °C, clear, colorless

Quality Level

200

Quality Level

300

Quality Level

400

Quality Level

200

Descripción general

L-cysteine is a sulfur-containing non-essential amino acid. Its ability to reduce colitis symptoms is being assessed for potential use in treating inflammatory bowel disease (IBD).
Naturally occurring non-essential amino acid.

Aplicación

L-cysteine can be used as a cysteine source to prepare L-cysteine functionalized gold nanoparticles for use as probes in the colorimetric detection of Hg2+ in aqueous solution.

Acciones bioquímicas o fisiológicas

NMDA glutamatergic receptor agonist.

Código de clase de almacenamiento

13 - Non Combustible Solids

WGK

WGK 1

Equipo de protección personal

dust mask type N95 (US), Eyeshields, Gloves

Certificate of Analysis

Enter Lot Number to search for Certificate of Analysis (COA).

Certificate of Origin

Enter Lot Number to search for Certificate of Origin (COO).

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