99863-15-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99863-15-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,8,6 and 3 respectively; the second part has 2 digits, 1 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 99863-15:
(7*9)+(6*9)+(5*8)+(4*6)+(3*3)+(2*1)+(1*5)=197
197 % 10 = 7
So 99863-15-7 is a valid CAS Registry Number.