76973-31-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 76973-31-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,6,9,7 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 76973-31:
(7*7)+(6*6)+(5*9)+(4*7)+(3*3)+(2*3)+(1*1)=174
174 % 10 = 4
So 76973-31-4 is a valid CAS Registry Number.