70737-80-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70737-80-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,7,3 and 7 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 70737-80:
(7*7)+(6*0)+(5*7)+(4*3)+(3*7)+(2*8)+(1*0)=133
133 % 10 = 3
So 70737-80-3 is a valid CAS Registry Number.