2766-24-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 2766-24-7 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,7,6 and 6 respectively; the second part has 2 digits, 2 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 2766-24:
(6*2)+(5*7)+(4*6)+(3*6)+(2*2)+(1*4)=97
97 % 10 = 7
So 2766-24-7 is a valid CAS Registry Number.