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127489-22-9

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127489-22-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 127489-22-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,7,4,8 and 9 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 127489-22:
(8*1)+(7*2)+(6*7)+(5*4)+(4*8)+(3*9)+(2*2)+(1*2)=149
149 % 10 = 9
So 127489-22-9 is a valid CAS Registry Number.

127489-22-9Upstream product

127489-22-9Downstream Products

127489-22-9Relevant articles and documents

REACTION OF α-CYANOACRYLIC ACID CATALYZED BY TERTIARY AMINES

Kandror, I. I.,Bragina, I. O.,Galkina, M. A.,Lavrukhin, B. D.,Gololobov, Yu. G.

, p. 2429 - 2431 (1989)

The action of pyridine on α-cyanoacrylic acid leads to the rapid and quantitative formation of 2,4-dicyano-4-pentenoic acid.In the presence of excess p-nitro-benzaldehyde, 1-hydroxy-1-p-nitrophenyl-2-cyano-2-butene is formed in this reaction in addition to 2,4-dicyano-4-pentenoic acid.

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