142287-55-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142287-55-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,2,8 and 7 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 142287-55:
(8*1)+(7*4)+(6*2)+(5*2)+(4*8)+(3*7)+(2*5)+(1*5)=126
126 % 10 = 6
So 142287-55-6 is a valid CAS Registry Number.