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178159-50-7

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178159-50-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 178159-50-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,8,1,5 and 9 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 178159-50:
(8*1)+(7*7)+(6*8)+(5*1)+(4*5)+(3*9)+(2*5)+(1*0)=167
167 % 10 = 7
So 178159-50-7 is a valid CAS Registry Number.

178159-50-7Upstream product

178159-50-7Downstream Products

178159-50-7Relevant articles and documents

Studies on photodimerization of 9-anthracenecarboxylic acid in its crystalline double salt with diamine

Ito, Yoshikatsu

, p. 247 - 253 (2007/10/03)

With the intention of obtaining uncommon head-to-head anthracene dimers, double salts of 9-anthracenecarboxylic acid (9-AC) with several diamines were photolyzed in the solid state. 9-AC underwent decarboxylation and reduction as well as dimerization. Although the head-to-tail dimer and an unsymmetrical dimer were obtained, the head-to-head one was not produced.

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