15766-01-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 15766-01-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,7,6 and 6 respectively; the second part has 2 digits, 0 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 15766-01:
(7*1)+(6*5)+(5*7)+(4*6)+(3*6)+(2*0)+(1*1)=115
115 % 10 = 5
So 15766-01-5 is a valid CAS Registry Number.