93997-25-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93997-25-2 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,9,9 and 7 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 93997-25:
(7*9)+(6*3)+(5*9)+(4*9)+(3*7)+(2*2)+(1*5)=192
192 % 10 = 2
So 93997-25-2 is a valid CAS Registry Number.