HANGZHOU CLAKE BIOTECH CO.,LTD
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Supplier - 5th
years
Premium Supplier Enterprise Certification
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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
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2. IN STOCK
3. FAST REPLY
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|
ITEMS |
SPECIFICATION USP40 |
SPECIFICATION BP2015 |
RESULT |
|
|
Appearance |
Yellow or orange-yellow crystalline powder |
Yellow or orange-yellow crystalline powder |
Conform |
|
|
Identification |
Positive |
Positive |
Conform |
|
|
Assay (%) |
98.0~102.0 |
97.0~103.0 |
99.80 |
|
|
Specific rotation (°) |
-115 ~ -135 |
-115 ~ -135 |
-129 |
|
|
Loss on drying(%) |
1.5max |
1.5max |
0.54 |
|
|
Residue on ignition(%) |
0.3max |
0.1max |
0.06 |
|
|
Lumiflavin |
440nm Absorbance 0.025max |
/ |
0.007 |
|
|
Absorbance |
/ |
A373nm/A267nm=0.31~0.33 A444nm/A267nm=0.36~0.39 |
Conform |
|
|
Related substances |
Impurity A (%) |
/ |
0.025max |
0.014 |
|
Impurity B (%) |
0.20max |
0.13 |
||
|
Impurity C (%) |
0.20max |
0.05 |
||
|
Impurity D (%) |
0.20max |
0.06 |
||
|
Unspecified impurities |
0.10max |
Conform |
||
|
Total impurities |
0.50max |
0.32 |
||
|
Conclusion |
Comply with the standards. |
|||