97030-23-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 97030-23-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,7,0,3 and 0 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 97030-23:
(7*9)+(6*7)+(5*0)+(4*3)+(3*0)+(2*2)+(1*3)=124
124 % 10 = 4
So 97030-23-4 is a valid CAS Registry Number.