76666-00-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76666-00-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,6,6 and 6 respectively; the second part has 2 digits, 0 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 76666-00:
(7*7)+(6*6)+(5*6)+(4*6)+(3*6)+(2*0)+(1*0)=157
157 % 10 = 7
So 76666-00-7 is a valid CAS Registry Number.