42049-32-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42049-32-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,0,4 and 9 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 42049-32:
(7*4)+(6*2)+(5*0)+(4*4)+(3*9)+(2*3)+(1*2)=91
91 % 10 = 1
So 42049-32-1 is a valid CAS Registry Number.