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10 Gram |
Negotiable |
Combretastatin Combretastatin A-4 Combretastatin powder
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:
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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.
Description
Combrestatin A4 (CA4) is a potent inhibitor of tubulin polymerization and displays strong inhibitory activity on tumor cell growth.
CA4 was shown to impede tumor growth in several cell lines including IMR32 (neuroblastoma), Hs746T (gastric carcinoma),
CFPAC-1 (pancreatic carcinoma), and MCF-7 (breast cancer) with IC50 values of 2.16, 5.20, 3.46, and 18.47 nM, respectively.
CA4 inhibits tubulin polymerization with an IC50 value of 2.2 μM. Combrestatin A4 is an inhibitor of β Tubulin.
Specification
Item |
Specification |
Result |
Appearance |
White crystalline powder |
Complies |
Related substance (HPLC) |
Total impurity ≤0.5% Max single impurity ≤0.1% |
0.2% 0.06% |
Odor |
Characteristic |
Complies |
Assay |
99% |
99.8% |
Sieve analysis |
100% pass 80 mesh |
Complies |
Loss on Drying Residue on Ignition |
≤1.0% ≤1.0% |
0.12% 0.09% |
Heavy Metal |
<10ppm |
Complies |
As |
<0.1ppm |
0.05ppm |
Pb |
<0.1ppm |
0.05ppm |
Cd |
<0.1ppm |
0.05ppm |
Residual Solvents |
<100ppm |
Complies |
Residual Pesticide |
Negative |
Complies |
Microbiology |
|
|
Total Plate Count |
<1000cfu/g |
Complies |
Yeast & Mold |
<100cfu/g |
Complies |
E.Coli |
Negative |
Complies |
Salmonella |
Negative |
Complies |
Packing and shipping
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