15946-65-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15946-65-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,9,4 and 6 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 15946-65:
(7*1)+(6*5)+(5*9)+(4*4)+(3*6)+(2*6)+(1*5)=133
133 % 10 = 3
So 15946-65-3 is a valid CAS Registry Number.