873994-03-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 873994-03-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,3,9,9 and 4 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 873994-03:
(8*8)+(7*7)+(6*3)+(5*9)+(4*9)+(3*4)+(2*0)+(1*3)=227
227 % 10 = 7
So 873994-03-7 is a valid CAS Registry Number.