915-57-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 915-57-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,1 and 5 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 915-57:
(5*9)+(4*1)+(3*5)+(2*5)+(1*7)=81
81 % 10 = 1
So 915-57-1 is a valid CAS Registry Number.