342645-89-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 342645-89-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,2,6,4 and 5 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 342645-89:
(8*3)+(7*4)+(6*2)+(5*6)+(4*4)+(3*5)+(2*8)+(1*9)=150
150 % 10 = 0
So 342645-89-0 is a valid CAS Registry Number.