79686-90-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 79686-90-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,9,6,8 and 6 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 79686-90:
(7*7)+(6*9)+(5*6)+(4*8)+(3*6)+(2*9)+(1*0)=201
201 % 10 = 1
So 79686-90-1 is a valid CAS Registry Number.