101543-09-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 101543-09-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,1,5,4 and 3 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 101543-09:
(8*1)+(7*0)+(6*1)+(5*5)+(4*4)+(3*3)+(2*0)+(1*9)=73
73 % 10 = 3
So 101543-09-3 is a valid CAS Registry Number.