Molecular formula

C₁₂H₇NO₅

8 compounds have this formula on CompoundList.

Molar mass: 245.19g/mol
Monoisotopic mass: 245.0324Da
Atoms: 25
Elements: 4
Rings plus double bonds: 10

The formula C12H7NO5 describes a molecule made of 12 carbon atoms, 7 hydrogen atoms, 1 nitrogen atom and 5 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 × 1258.78%
12.011 × 12 = 144.132 g/mol
H Hydrogen × 72.88%
1.008 × 7 = 7.056 g/mol
N Nitrogen × 15.71%
14.007 × 1 = 14.007 g/mol
O Oxygen × 532.63%
15.999 × 5 = 79.995 g/mol

Look up another formula

Compounds with the formula C12H7NO5

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

Showing 1 to 8 of 8 compounds

6,7-Methylenedioxy-4-isocyanatomethylcoumarin (for HPLC Labeling)

CAS 97744-89-3C₁₂H₇NO₅

2-(2,5-Dioxotetrahydrofuran-3-yl)isoindoline-1,3-dione

CAS 4443-40-7C₁₂H₇NO₅

2-[(3S)-2,5-Dioxooxolan-3-yl]isoindole-1,3-dione

CAS 16652-95-2C₁₂H₇NO₅

7-Cyanato-2-oxo-2H-chromene-6-carboxylic acid methyl ester

CAS 60432-38-4C₁₂H₇NO₅

4-Amino-7-oxo-7H-furo[3,2-g][1]benzopyran-6-carboxylic acid

CAS 626234-00-2C₁₂H₇NO₅

9-Amino-7-oxo-7H-furo[3,2-g][1]benzopyran-6-carboxylic acid

CAS 626234-01-3C₁₂H₇NO₅

5-Oxo-2H,5H-[1]benzopyrano[4,3-b][1,4]oxazine-3-carboxylic acid

CAS 87073-31-2C₁₂H₇NO₅

3-Hydroxy-6-nitro-1H,3H-naphtho[1,8-cd]pyran-1-one

CAS 52499-09-9C₁₂H₇NO₅

Frequently asked questions

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What is the molar mass of C12H7NO5?

The molar mass of C12H7NO5 is 245.19 g/mol, calculated from standard atomic weights for 12 carbon atoms, 7 hydrogen atoms, 1 nitrogen atom and 5 oxygen atoms. The monoisotopic mass is 245.0324 Da.

How many compounds have the formula C12H7NO5?

CompoundList lists 8 compounds with the molecular formula C12H7NO5, including 6,7-Methylenedioxy-4-isocyanatomethylcoumarin (for HPLC Labeling), 2-(2,5-Dioxotetrahydrofuran-3-yl)isoindoline-1,3-dione, 2-[(3S)-2,5-Dioxooxolan-3-yl]isoindole-1,3-dione. 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 C12H7NO5?

C12H7NO5 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.