42084-63-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 42084-63-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,2,0,8 and 4 respectively; the second part has 2 digits, 6 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 42084-63:
(7*4)+(6*2)+(5*0)+(4*8)+(3*4)+(2*6)+(1*3)=99
99 % 10 = 9
So 42084-63-9 is a valid CAS Registry Number.