1225323-79-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1225323-79-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,5,3,2 and 3 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1225323-79:
(9*1)+(8*2)+(7*2)+(6*5)+(5*3)+(4*2)+(3*3)+(2*7)+(1*9)=124
124 % 10 = 4
So 1225323-79-4 is a valid CAS Registry Number.
1225323-79-4Relevant articles and documents
IMPROVED METHOD OF MAKING PIPERIDINE DERIVATIVES
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Page/Page column 11-13, (2010/06/11)
The present invention relates to a process for the preparation of piperidine derivatives including sufentanil, and their pharmaceutically acceptable salts, such as the citrate salt.
