99657-02-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99657-02-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,6,5 and 7 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 99657-02:
(7*9)+(6*9)+(5*6)+(4*5)+(3*7)+(2*0)+(1*2)=190
190 % 10 = 0
So 99657-02-0 is a valid CAS Registry Number.