99871-35-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99871-35-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,8,7 and 1 respectively; the second part has 2 digits, 3 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 99871-35:
(7*9)+(6*9)+(5*8)+(4*7)+(3*1)+(2*3)+(1*5)=199
199 % 10 = 9
So 99871-35-9 is a valid CAS Registry Number.