1202227-71-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1202227-71-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,2,2,2 and 7 respectively; the second part has 2 digits, 7 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1202227-71:
(9*1)+(8*2)+(7*0)+(6*2)+(5*2)+(4*2)+(3*7)+(2*7)+(1*1)=91
91 % 10 = 1
So 1202227-71-1 is a valid CAS Registry Number.