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74306-77-7

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74306-77-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74306-77-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,3,0 and 6 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 74306-77:
(7*7)+(6*4)+(5*3)+(4*0)+(3*6)+(2*7)+(1*7)=127
127 % 10 = 7
So 74306-77-7 is a valid CAS Registry Number.

74306-77-7Relevant articles and documents

INVESTIGATIONS IN THE SERIES OF ARYLHYDRAZONES OF SUBSTITUTED GLYOXYLIC ACIDS. XXVI. REACTION OF ETHYL CYANOPYRUVATE WITH ARENEDIAZONIUM SALTS

Dubenko, R. G.,Konysheva, V. D.,Pel'kis, P. S.

, p. 751 - 757 (2007/10/02)

Ethyl sodiocyanopyruvate reacts with arenediazonium salts in a neutral medium (pH ca. 7) to form ethoxalylglyoxylonitrile arylhydrazones.The action of 15percent aqueous alkali or small amounts of sulfuric acid on the ethoxalylglyoxylonitrile arylhydrazone

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