142192-25-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142192-25-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,2,1,9 and 2 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 142192-25:
(8*1)+(7*4)+(6*2)+(5*1)+(4*9)+(3*2)+(2*2)+(1*5)=104
104 % 10 = 4
So 142192-25-4 is a valid CAS Registry Number.