42181-26-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42181-26-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,1,8 and 1 respectively; the second part has 2 digits, 2 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 42181-26:
(7*4)+(6*2)+(5*1)+(4*8)+(3*1)+(2*2)+(1*6)=90
90 % 10 = 0
So 42181-26-0 is a valid CAS Registry Number.