342412-89-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 342412-89-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,2,4,1 and 2 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 342412-89:
(8*3)+(7*4)+(6*2)+(5*4)+(4*1)+(3*2)+(2*8)+(1*9)=119
119 % 10 = 9
So 342412-89-9 is a valid CAS Registry Number.