957491-79-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 957491-79-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,7,4,9 and 1 respectively; the second part has 2 digits, 7 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 957491-79:
(8*9)+(7*5)+(6*7)+(5*4)+(4*9)+(3*1)+(2*7)+(1*9)=231
231 % 10 = 1
So 957491-79-1 is a valid CAS Registry Number.