56512-99-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 56512-99-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,6,5,1 and 2 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 56512-99:
(7*5)+(6*6)+(5*5)+(4*1)+(3*2)+(2*9)+(1*9)=133
133 % 10 = 3
So 56512-99-3 is a valid CAS Registry Number.