83869-12-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83869-12-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,8,6 and 9 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 83869-12:
(7*8)+(6*3)+(5*8)+(4*6)+(3*9)+(2*1)+(1*2)=169
169 % 10 = 9
So 83869-12-9 is a valid CAS Registry Number.