1431950-14-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1431950-14-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,1,9,5 and 0 respectively; the second part has 2 digits, 1 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1431950-14:
(9*1)+(8*4)+(7*3)+(6*1)+(5*9)+(4*5)+(3*0)+(2*1)+(1*4)=139
139 % 10 = 9
So 1431950-14-9 is a valid CAS Registry Number.