42551-02-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42551-02-0 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,5,5 and 1 respectively; the second part has 2 digits, 0 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 42551-02:
(7*4)+(6*2)+(5*5)+(4*5)+(3*1)+(2*0)+(1*2)=90
90 % 10 = 0
So 42551-02-0 is a valid CAS Registry Number.