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901793-04-2

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901793-04-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 901793-04-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,1,7,9 and 3 respectively; the second part has 2 digits, 0 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 901793-04:
(8*9)+(7*0)+(6*1)+(5*7)+(4*9)+(3*3)+(2*0)+(1*4)=162
162 % 10 = 2
So 901793-04-2 is a valid CAS Registry Number.

901793-04-2Relevant articles and documents

Macromolecular helicity inversion of an optically active helical poly(phenylacetylene) by chemical modification of the side groups

Kobayashi, Shinzo,Morino, Kazuhide,Yashima, Eiji

, p. 2351 - 2353 (2007)

An optically active helical poly(phenylacetylene) was synthesized by the copolymerization of phenylacetylenes bearing optically active hydroxy or ester groups obtained by the kinetic resolution of a racemic phenylacetylene with lipase; the helix-sense was

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