76620-26-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76620-26-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,6,2 and 0 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 76620-26:
(7*7)+(6*6)+(5*6)+(4*2)+(3*0)+(2*2)+(1*6)=133
133 % 10 = 3
So 76620-26-3 is a valid CAS Registry Number.