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263745-38-6

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263745-38-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 263745-38-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,6,3,7,4 and 5 respectively; the second part has 2 digits, 3 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 263745-38:
(8*2)+(7*6)+(6*3)+(5*7)+(4*4)+(3*5)+(2*3)+(1*8)=156
156 % 10 = 6
So 263745-38-6 is a valid CAS Registry Number.

263745-38-6Relevant articles and documents

Structure-activity relationship and rational design of 3,4-dephostatin derivatives as protein tyrosine phosphatase inhibitors

Watanabe, Takumi,Suzuki, Takayuki,Umezawa, Yoji,Takeuchi, Tomio,Otsuka, Masami,Umezawa, Kazuo

, p. 741 - 752 (2007/10/03)

Several alkyl- and O-methylated-3,4-dephostatin were synthesized and evaluated for their inhibitory activity toward protein tyrosine phosphatase. Alkyl chains with a length up to that of the pentyl group gave tolerable inhibition, whereas methylation of h

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