70787-77-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 70787-77-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,0,7,8 and 7 respectively; the second part has 2 digits, 7 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 70787-77:
(7*7)+(6*0)+(5*7)+(4*8)+(3*7)+(2*7)+(1*7)=158
158 % 10 = 8
So 70787-77-8 is a valid CAS Registry Number.