67298-49-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67298-49-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,2,9 and 8 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 67298-49:
(7*6)+(6*7)+(5*2)+(4*9)+(3*8)+(2*4)+(1*9)=171
171 % 10 = 1
So 67298-49-1 is a valid CAS Registry Number.
InChI:InChI=1/C13H14N2O4/c1-19-11-4-8-9(5-10(11)16)14-6-7-2-3-12(17)15(7)13(8)18/h4-7,12,16-17H,2-3H2,1H3