42051-70-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42051-70-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,0,5 and 1 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 42051-70:
(7*4)+(6*2)+(5*0)+(4*5)+(3*1)+(2*7)+(1*0)=77
77 % 10 = 7
So 42051-70-7 is a valid CAS Registry Number.