346720-32-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 346720-32-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,4,6,7,2 and 0 respectively; the second part has 2 digits, 3 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 346720-32:
(8*3)+(7*4)+(6*6)+(5*7)+(4*2)+(3*0)+(2*3)+(1*2)=139
139 % 10 = 9
So 346720-32-9 is a valid CAS Registry Number.