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126737-52-8

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126737-52-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 126737-52-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,7,3 and 7 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 126737-52:
(8*1)+(7*2)+(6*6)+(5*7)+(4*3)+(3*7)+(2*5)+(1*2)=138
138 % 10 = 8
So 126737-52-8 is a valid CAS Registry Number.

126737-52-8Relevant articles and documents

SYNTHESIS AND SOME TRANSFORMATIONS OF 1-ARYL-2-AZA-1,3-BUTADIENES

Nikogosyan, L. L.,Nersesyan, K. A.,Satina, T. Ya.,Panosyan, G. A.,Indzhikyan, M. G.

, p. 671 - 675 (2007/10/02)

The synthesis of 1-aryl-2-aza-1,3-butadienes was realized by the alkaline cleavage of diethylmethyl(4-aryl-3-aza-3-butenyl)ammonium iodides or by the dehydrochlorination of 1-chloro-4-phenyl-3-aza-3-butene.They react with alcohol at the terminal vinyl group.The direction of reaction with amines depends to a large degree on the nature of the nucleophile.

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