1221443-95-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1221443-95-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,2,1,4,4 and 3 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1221443-95:
(9*1)+(8*2)+(7*2)+(6*1)+(5*4)+(4*4)+(3*3)+(2*9)+(1*5)=113
113 % 10 = 3
So 1221443-95-3 is a valid CAS Registry Number.