142159-62-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142159-62-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,1,5 and 9 respectively; the second part has 2 digits, 6 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 142159-62:
(8*1)+(7*4)+(6*2)+(5*1)+(4*5)+(3*9)+(2*6)+(1*2)=114
114 % 10 = 4
So 142159-62-4 is a valid CAS Registry Number.