1154431-19-2 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1154431-19-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,4,4,3 and 1 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1154431-19:
(9*1)+(8*1)+(7*5)+(6*4)+(5*4)+(4*3)+(3*1)+(2*1)+(1*9)=122
122 % 10 = 2
So 1154431-19-2 is a valid CAS Registry Number.