873392-87-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 873392-87-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,3,3,9 and 2 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 873392-87:
(8*8)+(7*7)+(6*3)+(5*3)+(4*9)+(3*2)+(2*8)+(1*7)=211
211 % 10 = 1
So 873392-87-1 is a valid CAS Registry Number.