342814-67-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 342814-67-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,2,8,1 and 4 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 342814-67:
(8*3)+(7*4)+(6*2)+(5*8)+(4*1)+(3*4)+(2*6)+(1*7)=139
139 % 10 = 9
So 342814-67-9 is a valid CAS Registry Number.