872789-98-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 872789-98-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,2,7,8 and 9 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 872789-98:
(8*8)+(7*7)+(6*2)+(5*7)+(4*8)+(3*9)+(2*9)+(1*8)=245
245 % 10 = 5
So 872789-98-5 is a valid CAS Registry Number.