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157066-36-9

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157066-36-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 157066-36-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,7,0,6 and 6 respectively; the second part has 2 digits, 3 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 157066-36:
(8*1)+(7*5)+(6*7)+(5*0)+(4*6)+(3*6)+(2*3)+(1*6)=139
139 % 10 = 9
So 157066-36-9 is a valid CAS Registry Number.

157066-36-9Relevant articles and documents

Phenylfuroxancarboxylic Acids and Their Derivatives

Fruttero, Roberta,Ferrarotti, Bruno,Serafino, Anna,Gasco, Alberto

, p. 335 - 338 (2007/10/02)

Synthesis and structure of the two isomeric furoxanecarboxylic acids 3 and 14 and a few of their derivatives 10-13, 15, 16 is reported. 1,3-dipolar cycloaddition reactions of the product obtained by thermal decomposition of 4-phenyl-3-furoxancarboxylic acid and thermal equilibration of furoxan derivatives are also discussed.

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