748723-43-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 748723-43-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,8,7,2 and 3 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 748723-43:
(8*7)+(7*4)+(6*8)+(5*7)+(4*2)+(3*3)+(2*4)+(1*3)=195
195 % 10 = 5
So 748723-43-5 is a valid CAS Registry Number.