Cas 1243688-83-6,3,7-dimethyl-9-benzylxanthinium bromide

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Check Digit Verification of cas no

The CAS Registry Mumber 1243688-83-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,4,3,6,8 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1243688-83:
(9*1)+(8*2)+(7*4)+(6*3)+(5*6)+(4*8)+(3*8)+(2*8)+(1*3)=176
176 % 10 = 6
So 1243688-83-6 is a valid CAS Registry Number.

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1243688-83-6Relevant articles and documents

Studies on the coordination chemistry of methylated xanthines and their imidazolium salts. Part 1: Benzyl derivatives

Landaeta, Vanessa R.,Rodriguez-Lugo, Rafael E.,Rodriguez-Arias, Eloy N.,Coll-Gomez, David S.,Gonzalez, Teresa

experimental part, p. 165 - 175 (2011/10/13)

New imidazolium salts derived from the natural methylated xanthines theophylline, theobromine and caffeine, namely 1,3-dimethyl-9-benzylxanthinium bromide (tphBzBr, 1a), 3,7-dimethyl-9-benzylxanthinium bromide (tbrBzBr, 2a) and 1,3,7-trimethyl-9-benzylxan

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1243688-83-6