1431867-42-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1431867-42-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,4,3,1,8,6 and 7 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 1431867-42:
(9*1)+(8*4)+(7*3)+(6*1)+(5*8)+(4*6)+(3*7)+(2*4)+(1*2)=163
163 % 10 = 3
So 1431867-42-3 is a valid CAS Registry Number.