961-33-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 961-33-1 includes 6 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 3 digits, 9,6 and 1 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 961-33:
(5*9)+(4*6)+(3*1)+(2*3)+(1*3)=81
81 % 10 = 1
So 961-33-1 is a valid CAS Registry Number.