99869-39-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 99869-39-3 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 9 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 99869-39:
(7*9)+(6*9)+(5*8)+(4*6)+(3*9)+(2*3)+(1*9)=223
223 % 10 = 3
So 99869-39-3 is a valid CAS Registry Number.