1197227-40-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1197227-40-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,9,7,2,2 and 7 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1197227-40:
(9*1)+(8*1)+(7*9)+(6*7)+(5*2)+(4*2)+(3*7)+(2*4)+(1*0)=169
169 % 10 = 9
So 1197227-40-9 is a valid CAS Registry Number.