146431-18-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 146431-18-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,6,4,3 and 1 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 146431-18:
(8*1)+(7*4)+(6*6)+(5*4)+(4*3)+(3*1)+(2*1)+(1*8)=117
117 % 10 = 7
So 146431-18-7 is a valid CAS Registry Number.