943987-73-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 943987-73-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,4,3,9,8 and 7 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 943987-73:
(8*9)+(7*4)+(6*3)+(5*9)+(4*8)+(3*7)+(2*7)+(1*3)=233
233 % 10 = 3
So 943987-73-3 is a valid CAS Registry Number.