Shanghai Upbio Tech Co.,Ltd（expird）
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Business Type:Lab/Research institutions
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Country: 
China (Mainland)
Business Type:Lab/Research institutions
CAS NO.152044-54-7
99%(25-1000)Gram
1,In No Less five years exporting experience.
2.Lower Price with higher quality
3,Free sample
4,We are sincerely responsible for the "product quality" and "After Service"
Onchem specialized in APIs, chemical intermediates, herbal extract ， pharmaceutical raw materials and health food supplement
Company Introduction:
Onchem (China) Co.,Ltd is a comprehensive manufacturer and an international distribution
of chemicals throughout the world. Specialized in APIs, chemical intermediates, herbal extract and pharmaceutical raw materials.
Product Detailed
|
Product name |
Epothilone B |
CAS: |
152044-54-7 |
|
|
Batch No. |
2013.04.10 |
Report Date |
2013.04.12 |
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|
Quantity |
10g |
Retest period: |
2015.05.01 |
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|
Contents of testing |
Specifications |
Results |
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|
Characters |
Appearance |
White crystalline |
White crystalline |
|
|
Solubility |
Easily soluble in Methanol |
Conform |
||
|
Specific optical rotation |
-35°~-38°(C=0.7%,in methanol) |
-36.4° |
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|
Identification |
A: Absorption maximum |
Uv max(in methanol):211nm, 249nm |
Conform |
|
|
B:IR |
IR Spectrum of the sample corresponds to that of the reference standard |
Conform |
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C:HPLC |
The reference time of the major peak in the chromatograms corresponds to that in the reference standard. |
Conform |
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Test |
Related compounds |
Epothilone A: Not more than 1.5% |
0.32% |
|
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Maximum individual impurity: not more than 1.0% |
0.26% |
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Total impurities:not more than 2.0% |
0.82% |
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Residual organic solvent |
Methanol: not more than 3000ppm |
1263ppm |
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Ethyl Acetate: not more than 5000ppm |
809ppm |
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Water |
Not more than 5.0% |
2.6% |
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Reside on ignition |
Not more than 0.2% |
0.1% |
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|
Purity(HPLC) |
Not less than 98.0% |
99.2% |
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Conclusion: All items comply with the inner quality standard. |
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Factory Picture:
Welcome to our Onchem (China) Co.,Ltd, and welcome to inquiry me about all our products, we will provide the competitive price for u. We are sincerely responsible for the "product quality" and "After Service"