65633-31-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65633-31-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,6,3 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 65633-31:
(7*6)+(6*5)+(5*6)+(4*3)+(3*3)+(2*3)+(1*1)=130
130 % 10 = 0
So 65633-31-0 is a valid CAS Registry Number.