HANGZHOU CLAKE BIOTECH CO.,LTD
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Country: 
China (Mainland)
Business Type:Trading Company
Tel: 86-571-87750367
Mobile: 86-18268089214
Tel: 86-571-87750367
Fax:
URL: http://www.clakebiotech.com
Province/state: zhejiang
City: hangzhou
Street: RUIBO INTERNATIONAL ,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) |
||