863545-83-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 863545-83-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,3,5,4 and 5 respectively; the second part has 2 digits, 8 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 863545-83:
(8*8)+(7*6)+(6*3)+(5*5)+(4*4)+(3*5)+(2*8)+(1*3)=199
199 % 10 = 9
So 863545-83-9 is a valid CAS Registry Number.