863399-39-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 863399-39-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,6,3,3,9 and 9 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 863399-39:
(8*8)+(7*6)+(6*3)+(5*3)+(4*9)+(3*9)+(2*3)+(1*9)=217
217 % 10 = 7
So 863399-39-7 is a valid CAS Registry Number.