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.52-21-1
1. GMP AVALIABLE ;
2. IN STOCK
3. FAST REPLY
QUALIFED ; EFFICIENCY; RESPONSIBLE
|
ITEMS |
SPECIFICATION |
RESULTS |
|
Character |
White or almost white crystalline powder |
Almost white crystalline powder |
|
Specific rotation |
+112°~+119° |
+114.8° |
|
Identification |
A: complies by IR B :complies by UV not more than 2.5% C: positive reaction |
Conforms 0.6% Conforms |
|
Chromatographlc purity |
Principal impurity not more than 1.0% Total impurity not more than 2.0% |
0.43% 0.65% |
|
Methanol |
≤3000ppm |
406ppm |
|
Pyridine |
≤200ppm |
Undetected |
|
Loss on drying |
Not more than 1.0% |
0.1% |
|
Assay |
Contains 97.0%~102.0% C23H30O6 calculated on dried basis |
100.0% |
|
Conclusion: The product complies with USP34 standard |
||