863671-88-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 863671-88-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,3,6,7 and 1 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 863671-88:
(8*8)+(7*6)+(6*3)+(5*6)+(4*7)+(3*1)+(2*8)+(1*8)=209
209 % 10 = 9
So 863671-88-9 is a valid CAS Registry Number.