97730-10-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97730-10-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,7,3 and 0 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 97730-10:
(7*9)+(6*7)+(5*7)+(4*3)+(3*0)+(2*1)+(1*0)=154
154 % 10 = 4
So 97730-10-4 is a valid CAS Registry Number.