1213501-73-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1213501-73-5 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,1,3,5,0 and 1 respectively; the second part has 2 digits, 7 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1213501-73:
(9*1)+(8*2)+(7*1)+(6*3)+(5*5)+(4*0)+(3*1)+(2*7)+(1*3)=95
95 % 10 = 5
So 1213501-73-5 is a valid CAS Registry Number.