102743-45-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 102743-45-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,2,7,4 and 3 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 102743-45:
(8*1)+(7*0)+(6*2)+(5*7)+(4*4)+(3*3)+(2*4)+(1*5)=93
93 % 10 = 3
So 102743-45-3 is a valid CAS Registry Number.