Product Certification&
Enterprise Certification
Country: China (Mainland)
Business Type:Trading Company
Tel: 86-571-87072300
Mobile: 86-18268089214
Tel: 86-571-87072300
Fax:
URL: http://www.clakebiotech.com
Province/state: zhejiang
City: hangzhou
Street: RM.305,BLOCK 7A,ECOLOGICAL CLUSTER,XIHU DISTRICT,HANGZHOU,CHINA
MaxCard:
CAS NO.128-44-9
1. GMP AVALIABLE ;
2. IN STOCK
3. FAST REPLY
QUALIFED ; EFFICIENCY; RESPONSIBLE
ITEMS |
SPECIFICATION |
RESULTS |
Appearance |
White crystals |
White crystals |
Identification |
Infrared absorption spectrophotometry |
Complies |
Assay % |
99.0 ~101.0% |
99.43% |
Water % |
≤15% |
13.76% |
Melting point |
226 ~230 ℃ |
228.4-229.4 ℃ |
Ammonium salts |
≤25ppm |
<25ppm |
Arsenic |
≤2ppm |
<0.5ppm |
Benzoic and salicylic acid |
No precipitate or violet color appears |
Complies |
Heavy metals |
≤10ppm |
0.5ppm |
Free acid or alkali |
Complies |
Complies |
Readily caronizable substances |
Not more intensely colored than reference |
Complies |
P-toluene sulfonamide |
≤10ppm |
3ppm |
O-toluene sulfonamide |
≤10ppm |
3ppm |
Selenium |
≤30ppm |
6ppm |
Clarity and Color of solution |
Colorless ,clear |
Colorless ,clear |
Benzoic acid-sulfonamide |
≤25ppm |
10ppm |
Conclusion: The product complies with EP10/BP2018/USP43/FCC12/E954(ii) |