648426-33-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 648426-33-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,4,8,4,2 and 6 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 648426-33:
(8*6)+(7*4)+(6*8)+(5*4)+(4*2)+(3*6)+(2*3)+(1*3)=179
179 % 10 = 9
So 648426-33-9 is a valid CAS Registry Number.