Home > Offer to Sell > Organic chemicals and Derivatives > Acid, ester and anhydride compounds > L-Cysteine base
L-Cysteine base
Inquiry
| Post Date: | Nov 24,2016 |
| Expiry Date: | May 23,2017 |
| Detailed Description: |
Cas No. :52-90-4
L-Cysteine base
Cas No.:52-90-4 Quality Standard: AJI97 Description: white crystals or crystalline powder. Solubility (H2O, g/100g): about 16(20°) Specific rotation: +8.3 to +9.5° State of solution(transmittance): Not less than 95.0% Chloride: Not more than 0.04% Ammonium: Not more than 0.02% Sulfate: Not more than 0.030% Iron: Not more than 10ppm Heavy metals(Pb): Not more than 10ppm Arsenic: Not more than 1ppm Other Amino Acids: conforms Loss on drying: Not more than 0.5% Residue on ignition(sulfated): Not more than 0.10% Assay: 98.0 to 101.0% PH: 4.5 to 5.5 Storage: Preserve in tight containers at controlled room temperature. Recommended limit: 1 year EXW Price: USD18/KG ivy8888@chembj.com |
| 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:; |
| Company: | Wuhan Yuancheng Gongchuang Tech. Co.,Ltd. [ China ] |
| Contact: | qiuqiu |
| Tel: | 8602788217838 |
| Fax: | |
| Email: | ivy8888@chembj.com |
-
Disclaimer statement:The information and data included above have been realized by the enterprises and compiled by the staff, and are subject to change without notice to you. The Chemnet makes no warranties or representations whatsoever regarding the facticity, accuracy and validity of such information and data. In order to ensure your interest, we suggest you chose the products posted by our gold suppliers or VIP members.
