747349-73-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 747349-73-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,7,3,4 and 9 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 747349-73:
(8*7)+(7*4)+(6*7)+(5*3)+(4*4)+(3*9)+(2*7)+(1*3)=201
201 % 10 = 1
So 747349-73-1 is a valid CAS Registry Number.