70980-07-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70980-07-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,9,8 and 0 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 70980-07:
(7*7)+(6*0)+(5*9)+(4*8)+(3*0)+(2*0)+(1*7)=133
133 % 10 = 3
So 70980-07-3 is a valid CAS Registry Number.