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38477-33-7

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38477-33-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 38477-33-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,8,4,7 and 7 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 38477-33:
(7*3)+(6*8)+(5*4)+(4*7)+(3*7)+(2*3)+(1*3)=147
147 % 10 = 7
So 38477-33-7 is a valid CAS Registry Number.

38477-33-7Relevant articles and documents

Reactions of α,β-Unsaturated Ketones with Cyanoacetamide

Al-Hajjar, Farouk H.,Jarrar, Adil A.

, p. 1521 - 1525 (2007/10/02)

3-Aryl-1-phenyl-2-propen-1-ones Ia-f and aroylphenylacetylenes Va-d reacted under reflux for 3 hours with cyanoacetamide in the presence of sodium ethoxide to give the corresponding 4-aryl-3-cyano-6-phenyl-2-(1H)pyridones VI.However, when ketones Ia-e wer

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