C16H9NO3
46 compounds have this formula on CompoundList.
- Molar mass
- 263.25g/mol
- Monoisotopic mass
- 271.1085Da
- Atoms
- 29
- Elements
- 4
- Rings plus double bonds
- 13
The formula C16H9NO3 describes a molecule made of 16 carbon atoms, 9 hydrogen atoms, 1 nitrogen atom and 3 oxygen atoms. It is written in Hill notation: carbon first, then hydrogen, then the other elements in alphabetical order. The formula tells you which atoms are present, not how they are connected, which is why several different chemicals can share it.
Elemental composition
- C Carbon × 1673.00%12.011 × 16 = 192.176 g/mol
- H Hydrogen × 93.45%1.008 × 9 = 9.072 g/mol
- N Nitrogen × 15.32%14.007 × 1 = 14.007 g/mol
- O Oxygen × 318.23%15.999 × 3 = 47.997 g/mol
Compounds with the formula C16H9NO3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 46 of 46 compounds
![3-Acetyl-6H-anthra[1,9-cd]isoxazol-6-one chemical structure, C16H9NO3, CAS 312505-78-5](/s/UICMTKUSESHZNZ-UHFFFAOYSA-N.svg)
![4-[[(2E)-1-Oxo-2-nonene-4,6,8-triynyl]amino]benzoic Acid chemical structure, C16H9NO3, CAS 799798-33-7](/s/ZMNUDGJNLWIUAJ-BQYQJAHWSA-N.svg)
![2-Phenyl-4H-[1]benzofuro[3,2-d][1,3]oxazin-4-one chemical structure, C16H9NO3, CAS 67138-57-2](/s/RUCMBASSSMBWEW-UHFFFAOYSA-N.svg)
![3-Methylanthra[1,2-c]isoxazole-6,11-dione chemical structure, C16H9NO3, CAS 58369-03-2](/s/IGPNWOMDIBWEAT-UHFFFAOYSA-N.svg)
- 9-Fluoranthenol, 2-nitro-109050-94-4C16H9NO3
- 7-Isocyanato-3-phenyl-2H-1-benzopyran-2-one55936-32-8C16H9NO3
- 3-Nitrofluoranthen-8-ol115664-58-9C16H9NO3
- 3-Nitrofluoranthen-6-ol115664-55-6C16H9NO3
- 4-Pyrenol, 1-nitro-91254-96-5C16H9NO3
- 2-(1-Benzofuran-2-yl)-4H-3,1-benzoxazin-4-one725704-99-4C16H9NO3
- 2-Nitro-8-fluoranthenol109028-11-7C16H9NO3
- 6H-Benzofuro[3,2-c][2]benzazepine-6,11(12H)-dione133993-35-8C16H9NO3
- 2-Nitrofluoranthen-3-ol19383-74-5C16H9NO3
- Phenanthro(1,2-b)furan, 2-nitro-125372-47-6C16H9NO3
- 3-Nitro-1-fluoranthenol115664-54-5C16H9NO3
- 3-Nitro-7-fluoranthenol115664-56-7C16H9NO3
- 4-Nitro-7-fluoranthenol115664-57-8C16H9NO3
- Pyreno(4,5-b)oxirene, 8b,9a-dihydro-4-nitro-120028-85-5C16H9NO3
- 3-Phenyl-4H-chromeno[3,4-d]isoxazol-4-one64517-78-8C16H9NO3
- Benzo[4,5]furo[3,2-b]quinoline-11-carboxylic acid123301-39-3C16H9NO3
- 6-Nitropyren-2-ol113737-32-9C16H9NO3
- 2-(1,3-Benzoxazol-2-yl)-1H-indene-1,3(2H)-dione918158-20-0C16H9NO3
- 3-Amino-4-hydroxyfluoranthene-8,9-dione192704-01-1C16H9NO3
- 6-Nitro-1-pyrenol-d82469736-26-1C16H9NO3
- 5-Hydroxy-9H-benzo[a]phenoxazin-9-one16650-77-4C16H9NO3
- 7-Hydroxy-4-oxo-2-phenyl-4H-1-benzopyran-8-carbonitrile101081-06-5C16H9NO3
Frequently asked questions
What is the molar mass of C16H9NO3?
The molar mass of C16H9NO3 is 263.25 g/mol, calculated from standard atomic weights for 16 carbon atoms, 9 hydrogen atoms, 1 nitrogen atom and 3 oxygen atoms. The monoisotopic mass is 271.1085 Da.
How many compounds have the formula C16H9NO3?
CompoundList lists 46 compounds with the molecular formula C16H9NO3, including 7H-(1,3)Dioxolo(4,5-j)pyrrolo(3,2,1-de)phenanthridin-7-one, Aristolactam ii, 2H-1-Benzopyran-2-one, 3-(2-benzoxazolyl)-. Compounds that share a formula are isomers. They contain the same atoms arranged differently, so their properties, uses and prices can be very different.
What is the degree of unsaturation of C16H9NO3?
C16H9NO3 has a degree of unsaturation of 13. That is the total number of rings and pi bonds (a double bond counts as one, a triple bond as two) in any structure with this formula.