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1027174-40-8

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1027174-40-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1027174-40-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,2,7,1,7 and 4 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1027174-40:
(9*1)+(8*0)+(7*2)+(6*7)+(5*1)+(4*7)+(3*4)+(2*4)+(1*0)=118
118 % 10 = 8
So 1027174-40-8 is a valid CAS Registry Number.

1027174-40-8Relevant articles and documents

Improved total synthesis and structure-activity relationship of arenastatin A, a potent cytotoxic spongean depsipeptide

Kobayashi,Wang,Ohyabu,Kurosu,Kitagawa

, p. 1598 - 1600 (2007/10/03)

An efficient asymmetric synthesis of a cyclic depsipeptide arenastatin A (1) is described. 1, isolated from the marine sponge Dysidea arenaria, exhibited extremely potent cytotoxicity with IC50 of 5 pg/ml for KB cells, and in this context the s

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