Molecular formula

C₁₆H₁₈N₄O₃

223 compounds have this formula on CompoundList.

Molar mass: 314.35g/mol
Monoisotopic mass: 317.1567Da
Atoms: 41
Elements: 4
Rings plus double bonds: 10

The formula C16H18N4O3 describes a molecule made of 16 carbon atoms, 18 hydrogen atoms, 4 nitrogen atoms 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 × 1661.14%
12.011 × 16 = 192.176 g/mol
H Hydrogen × 185.77%
1.008 × 18 = 18.144 g/mol
N Nitrogen × 417.82%
14.007 × 4 = 56.028 g/mol
O Oxygen × 315.27%
15.999 × 3 = 47.997 g/mol

Look up another formula

Compounds with the formula C16H18N4O3

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 201 to 223 of 223 compounds

2-{6-[2-(1,3-Oxazol-2-yl)ethyl]-10,13-dioxa-4,6-diazatricyclo[7.4.0.0,3,7]trideca-1,3(7),4,8-tetraen-5-yl}ethan-1-amine

CAS 2768327-52-0C₁₆H₁₈N₄O₃

Benzyl 4-[(imidazol-1-yl)carbonyl]piperazine-1-carboxylate

CAS 1392831-28-5C₁₆H₁₈N₄O₃

2-[4-(1,3-Benzodioxol-5-ylmethyl)-1-piperazinyl]pyrimidine 1-oxide

CAS 50602-52-3C₁₆H₁₈N₄O₃

tert-Butyl N-[4-(pyrazine-2-carbonylamino)phenyl]carbamate

CAS 1098068-57-5C₁₆H₁₈N₄O₃

N-{4-[(E)-(4-Amino-2,5-dimethoxyphenyl)diazenyl]phenyl}acetamide

CAS 66209-77-6C₁₆H₁₈N₄O₃

3-(3-Azidopropanoyl)-7-(diethylamino)-2H-1-benzopyran-2-one

CAS 873849-96-8C₁₆H₁₈N₄O₃

1-[4-(Furan-2-carbonyl)-3-(1-methyl-1H-imidazol-2-yl)piperazin-1-yl]prop-2-en-1-one

CAS 2178338-85-5C₁₆H₁₈N₄O₃

N-(5-Acetamido-2-methoxyphenyl)-5,6-dimethylpyrimidine-4-carboxamide

CAS 2415491-61-9C₁₆H₁₈N₄O₃

3-[4-(Azetidin-3-yl)-3-methyl-2-oxo-benzimidazol-1-yl]piperidine-2,6-dione

CAS 2573307-00-1C₁₆H₁₈N₄O₃

N-Cyclopropyl-4-{4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl}morpholine-2-carboxamide

CAS 2741948-50-3C₁₆H₁₈N₄O₃

6-Methyl-3-(2-{3-[(2-methylpyridin-4-yl)oxy]azetidin-1-yl}-2-oxoethyl)-3,4-dihydropyrimidin-4-one

CAS 2741897-06-1C₁₆H₁₈N₄O₃

2-(2-Methoxyphenoxy)-N-[1-(pyrazin-2-yl)azetidin-3-yl]acetamide

CAS 2415489-45-9C₁₆H₁₈N₄O₃

5-(3-{[(6-Methylpyridazin-3-yl)oxy]methyl}pyrrolidine-1-carbonyl)pyridin-3-ol

CAS 2770612-60-5C₁₆H₁₈N₄O₃

Benzyl 4-(1H-imidazole-2-carbonyl)piperazine-1-carboxylate

CAS 2803846-69-5C₁₆H₁₈N₄O₃

Benzyl N-[4-(3-hydroxypyrrolidin-1-yl)pyrimidin-2-yl]carbamate

CAS 2680883-33-2C₁₆H₁₈N₄O₃

tert-Butyl N-[4-cyano-1-(2-methoxyphenyl)-1H-pyrazol-5-yl]carbamate

CAS 2680746-22-7C₁₆H₁₈N₄O₃

3-[6-(3-Aminoazetidin-1-yl)-1-oxo-2,3-dihydro-1H-isoindol-2-yl]piperidine-2,6-dione

CAS 2591190-04-2C₁₆H₁₈N₄O₃

3-[4-(3-Aminoazetidin-1-yl)-1-oxo-2,3-dihydro-1H-isoindol-2-yl]piperidine-2,6-dione

CAS 2703770-12-9C₁₆H₁₈N₄O₃

3-[7-(3-Aminoazetidin-1-yl)-1-oxo-2,3-dihydro-1H-isoindol-2-yl]piperidine-2,6-dione

CAS 2703769-61-1C₁₆H₁₈N₄O₃

N-[(3,4,5-Trimethoxyphenyl)methyl]pyrazolo[1,5-a]pyrazin-4-amine

CAS 3054586-60-3C₁₆H₁₈N₄O₃

7-(3-Methoxyphenyl)-2-(2-methylpropyl)-2H,3H,7H,8H-[1,2,4]triazolo[4,3-a]pyrazine-3,8-dione

CAS 3030816-92-0C₁₆H₁₈N₄O₃

2-Butyl-7-(3-methoxyphenyl)-2H,3H,7H,8H-[1,2,4]triazolo[4,3-a]pyrazine-3,8-dione

CAS 3030783-38-8C₁₆H₁₈N₄O₃

14-Hydroxy-13,13,15,15-tetramethyl-9-oxa-2,4,6,14-tetrazatetracyclo[8.7.0.03,8.012,16]heptadeca-1(10),3(8),6,11,16-pentaen-5-one

CAS 1257939-97-1C₁₆H₁₈N₄O₃

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What is the molar mass of C16H18N4O3?

The molar mass of C16H18N4O3 is 314.35 g/mol, calculated from standard atomic weights for 16 carbon atoms, 18 hydrogen atoms, 4 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 317.1567 Da.

How many compounds have the formula C16H18N4O3?

CompoundList lists 223 compounds with the molecular formula C16H18N4O3, including 2-{6-[2-(1,3-Oxazol-2-yl)ethyl]-10,13-dioxa-4,6-diazatricyclo[7.4.0.0,3,7]trideca-1,3(7),4,8-tetraen-5-yl}ethan-1-amine, Benzyl 4-[(imidazol-1-yl)carbonyl]piperazine-1-carboxylate, 2-[4-(1,3-Benzodioxol-5-ylmethyl)-1-piperazinyl]pyrimidine 1-oxide. 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 C16H18N4O3?

C16H18N4O3 has a degree of unsaturation of 10. 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.