83636-63-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 83636-63-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,3,6,3 and 6 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 83636-63:
(7*8)+(6*3)+(5*6)+(4*3)+(3*6)+(2*6)+(1*3)=149
149 % 10 = 9
So 83636-63-9 is a valid CAS Registry Number.