L-Cysteine CAS: 52-90-4

Post Date:
Mar 30,2013
Expiry Date:
Mar 30,2014
Detailed Description:
Cas No. :52-90-4 Quantity: 20Metric Tons
Payment Method: TT/LC/DP
L-Cysteine CAS: 52-90-4

Product Name:L-Cysteine
Introduction alias: L-А-amino-b-mercapto propionic acid
CAS: 52-90-4
EINECS No.: 200-158-2
Molecular Weight:121.16
Molecular Formula:C3H7NO2S
MF: C3H7NO2S
Molecular Weight: 121.16
Identification: Infrared Spectroscopy
Specific Rotation: +8.3 ° ~ +9.5 °
Dissolved condition: ≥ 95.0%
Content: 98.0% to 101.5%
Heavy metals: ≤ 10ppm
Chlorides: ≤ 0.04%
Arsenic salt: ≤ 1ppm
Loss on drying: ≤ 0.5%
Residue on ignition: ≤ 0.1%
PH: 4.5 to 5.5
Molysite: ≤ 10ppm
Ammonium salt: ≤ 0.02%
Sulfates: ≤ 0.03%
Packing: 25kg / barrel
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:;

Offter to Sell