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119769-09-4

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119769-09-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 119769-09-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,9,7,6 and 9 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 119769-09:
(8*1)+(7*1)+(6*9)+(5*7)+(4*6)+(3*9)+(2*0)+(1*9)=164
164 % 10 = 4
So 119769-09-4 is a valid CAS Registry Number.

119769-09-4Relevant articles and documents

Selective method for the preparation of isomeric N-alkyl and N-aryl-3(5)-amino-5(3)-hydroxy 1H-pyrazole-1-carboxamides

Drummond,Johnson

, p. 1123 - 1127 (2007/10/02)

As part of a program to develop novel mechanism based skeletal muscle relaxants we identified 5-amino-3-hydroxy-1H-pyrazole-1-carboxyamide (1) as a potential structural lead. This highly functionalized pyrazole was prepared via a published procedure [1] (

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