142154-41-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 142154-41-4 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 4 respectively; the second part has 2 digits, 4 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 142154-41:
(8*1)+(7*4)+(6*2)+(5*1)+(4*5)+(3*4)+(2*4)+(1*1)=94
94 % 10 = 4
So 142154-41-4 is a valid CAS Registry Number.