L-Cysteine

Post Date:
Apr 09,2018
Expiry Date:
Apr 09,2019
Detailed Description:
Cas No. :52-90-4 Specs:White crystalline powder
Price:1 USD Metric Tons
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L-Cysteine

Product Name: L-Cysteine

Synonyms:(R)-2-Amino-3-mercaptopropanoic acid;3-mercapto-l-alanin;alpha-amino-beta-mercaptopropionicacid;alpha-Amino-beta-thiolpropionic acid;alpha-amino-beta-thiolpropionicacid;Cystein;half-cysteine;L-Alanine, 3-mercapto-

CAS: 52-90-4

EINECS:200-158-2

MF: C3H7NO2S

MW: 121.16

Mol File: 52-90-4.mol

mp：220 °C (dec.)(lit.)

alpha：8.75 º (c=12, 2N HCl)

refractive index：8.8 ° (C=8, 1mol/L HCl)

storage temp.：Store at RT.

solubility：H2O: 25 mg/mL

Water Solubility：280 g/L (25 ºC)

Stability: Stability Stable, but may be air sensitive. Incompatible with oxidizing agents, bases.

Appearance: white crystalline powder. Soluble in dilute mineral acids and alkaline solutions, soluble in water, insoluble in ethanol, insoluble in ether and chloroform.

Packing: as your demand.
CAS Registry Number:
52-90-4
Synonyms:
;Cysteine, L-;L-(+)-Cysteine;L-Alanine, 3-mercapto-;L-Cys;NSC 8746;L-Cysteine;(+)-2-Amino-3-mercaptopropionic acid;L-beta-mercaptoalanine;L-Cysteine Free Base Crystalline;(S)-(-)-Cysteine;L-Cysteine Base;H-Cys-OH;
Molecular Formula:
C₃H₇NO₂S
Molecular Weight:
121.15
Molecular Structure:
Hazard Symbols:
Xn:Harmful;
Risk Codes:
R22:;
R36/37/38:;
Safety Description:
S26:;
S37/39:;

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