734487-43-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 734487-43-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,3,4,4,8 and 7 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 734487-43:
(8*7)+(7*3)+(6*4)+(5*4)+(4*8)+(3*7)+(2*4)+(1*3)=185
185 % 10 = 5
So 734487-43-5 is a valid CAS Registry Number.