86636-23-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 86636-23-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,6,6,3 and 6 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 86636-23:
(7*8)+(6*6)+(5*6)+(4*3)+(3*6)+(2*2)+(1*3)=159
159 % 10 = 9
So 86636-23-9 is a valid CAS Registry Number.