76918-83-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76918-83-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,9,1 and 8 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 76918-83:
(7*7)+(6*6)+(5*9)+(4*1)+(3*8)+(2*8)+(1*3)=177
177 % 10 = 7
So 76918-83-7 is a valid CAS Registry Number.