5042-98-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 5042-98-8 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 5,0,4 and 2 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 5042-98:
(6*5)+(5*0)+(4*4)+(3*2)+(2*9)+(1*8)=78
78 % 10 = 8
So 5042-98-8 is a valid CAS Registry Number.