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55739-20-3

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55739-20-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 55739-20-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,5,7,3 and 9 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 55739-20:
(7*5)+(6*5)+(5*7)+(4*3)+(3*9)+(2*2)+(1*0)=143
143 % 10 = 3
So 55739-20-3 is a valid CAS Registry Number.

55739-20-3Relevant articles and documents

Total synthesis and anti-tubulin activity of epi-C3 analogues of cryptophycin-24

Buck, Suzanne B.,Huff, Jacquelyn K.,Himes, Richard H.,Georg, Gunda I.

, p. 3697 - 3699 (2007/10/03)

Epi-C3-cryptophycin-24, epi-C3-m-chlorobenzyl-cryptophycin-24, and the corresponding styrenes were synthesized and tested in vitro against the MCF-7 and multidrug-resistant MCF-7/ADR breast cancer cell lines and in an in vitro tubulin assembly assay. The results demonstrate that the S configuration at the C3 stereocenter is not required to induce potent cytotoxicity and the m-Cl substituent present on the C10 side chain did not induce any large change in activity.

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