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73177-77-2

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73177-77-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 73177-77-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,3,1,7 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 73177-77:
(7*7)+(6*3)+(5*1)+(4*7)+(3*7)+(2*7)+(1*7)=142
142 % 10 = 2
So 73177-77-2 is a valid CAS Registry Number.

73177-77-2Downstream Products

73177-77-2Relevant articles and documents

An Observation on Carboxylation of 4H-Cyclopentaphenanthrene

Minabe, Masahiro,Isozumi, Keisuke,Kawai, Ken-ichi,Yoshida, Masaaki

, p. 2063 - 2066 (2007/10/02)

Photocarboxylation of 4H-cyclopentaphenanthrene by carbon dioxide in the presence of N,N-dimethylaniline in dimethyl sulfoxide afforded 8,9-dihydro-4H-cyclopentaphenanthrene-8- and 2-carboxyl acid, and 4H-cyclopentaphenanthrene-8-carboxylic acid.These acids were derived into methyl-4H-cyclopentaphenanthrenes.

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