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134219-54-8

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134219-54-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 134219-54-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,4,2,1 and 9 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 134219-54:
(8*1)+(7*3)+(6*4)+(5*2)+(4*1)+(3*9)+(2*5)+(1*4)=108
108 % 10 = 8
So 134219-54-8 is a valid CAS Registry Number.

134219-54-8Relevant articles and documents

N-(1-ARYL-2,2,2-TRIHALOGENOETHYL)CARBOXAMIDES

Bal'on, Ya. G.,Smirnov, V. A.

, p. 2051 - 2054 (2007/10/02)

The readily obtained products from the condensation of trihalogenoacetaldehydes with carboxamides react with benzene and its homologs in the presence of concentrated sulfuric acid with the formation of N-(1-aryl-2,2,2-trihalogenoethyl)carboxamides.The latter were used for the production of 1-aryl-2,2,2-trihalogenoethylamines and 1-acylimino-1-aryl-2,2,2-trihalogenoethanes.

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