873987-92-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 873987-92-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,3,9,8 and 7 respectively; the second part has 2 digits, 9 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 873987-92:
(8*8)+(7*7)+(6*3)+(5*9)+(4*8)+(3*7)+(2*9)+(1*2)=249
249 % 10 = 9
So 873987-92-9 is a valid CAS Registry Number.