342422-98-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 342422-98-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,2,4,2 and 2 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 342422-98:
(8*3)+(7*4)+(6*2)+(5*4)+(4*2)+(3*2)+(2*9)+(1*8)=124
124 % 10 = 4
So 342422-98-4 is a valid CAS Registry Number.