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10 Gram |
Negotiable |
Phentolamine mesilate Phentolamine mesilate powder cas 65-28-1
1.high quality:
quality is life. quality is the most important element for all goods. we have a lab doing research in wuhan china. hplc and nmr is available if needed.
2.reasonable price:
we provide high quality products with competitive price in china. all customers are welcomed to send us inquiries and get quotation.
3.low moq:
no worry about the low moq, our moq is 1 gram or even lower.
4.good service.
fast response. we promise to reply within 24 hours including holidays and send quotation sheet and other documents within 48 hours.
5. fast shipping and secure courier.
we promise to send out products and provide tracking number within 3 working days. and we send via different couriers based on different destination countries. we usually use nl post, hk post, germany post, eub, etk, etc.
Tests |
Specification |
Test results |
|
Description |
White crystalline powder |
Conforms |
|
Identification |
IR. UV. RF value |
Conforms |
|
Loss on drying |
Not more than 0.5% |
0.28% |
|
Residue on ignition |
Not more than 0.1% |
0.016% |
|
Sulfate |
Not more than 0.2% |
0.006% |
|
Chromatographic purity |
Total: not more than 1.0% |
0.3% |
|
Individual: not more than 0.5% |
0.16% |
||
Organic solvents |
Ethyl Alcohol |
Not more than 0.5% |
0.135%(G/G) |
Acetone |
Not more than 0.5% |
0.125%(G/G) |
|
Assay |
Between 98.0% and 102.0% |
99.6% |
|
Conclusion: Passed test according to the Standard of USP32 |
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