1266741-01-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1266741-01-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,6,6,7,4 and 1 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1266741-01:
(9*1)+(8*2)+(7*6)+(6*6)+(5*7)+(4*4)+(3*1)+(2*0)+(1*1)=158
158 % 10 = 8
So 1266741-01-8 is a valid CAS Registry Number.
1266741-01-8Relevant articles and documents
PROCESS FOR THE PREPARATION OF 4-[3,5-BIS(2-HYDROXYPHENYL)-1H-1,2,4-TRIAZOL-1-YL]-BENZOIC ACID AND ITS AMINE SALTS
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Page/Page column 22, (2011/04/13)
The present invention relates to an improved process for the preparation of 4-[3,5-bis(2-hydroxyphenyl)-1H-1,2,4-triazol-1-yl]benzoic acid compound of formula (1) and process for its purification.