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1234320-81-0

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1234320-81-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1234320-81-0 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,3,4,3,2 and 0 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1234320-81:
(9*1)+(8*2)+(7*3)+(6*4)+(5*3)+(4*2)+(3*0)+(2*8)+(1*1)=110
110 % 10 = 0
So 1234320-81-0 is a valid CAS Registry Number.

1234320-81-0Relevant articles and documents

5-Amino-N-(2,2-dialkoxyethyl)pyrazole-4-carboxamides in the synthesis of 7-sulfanyl-5,6,7,8-tetrahydro-1H-pyrazolo[3,4-e][1,4]diazepin-4-ones

Bol'But,Kemskii,Vovk

, p. 685 - 690 (2014/07/08)

5-Amino-N-(2,2-dialkoxyethyl)pyrazole-4-carboxamides obtained by hydrolytic cleavage of 5-(2,2-diethoxyethyl)pyrazolo[3,4-d]pyrimidin-4-ones or by condensation of 3-(dimethylamino)-N-(2,2-dimethoxyethyl)-2-cyanoacrylamides with alkylhydrazines in formic a

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