Molecular formula

C₁₈H₂₁NO₇

21 compounds have this formula on CompoundList.

Molar mass: 363.37g/mol
Monoisotopic mass: 363.1318Da
Atoms: 47
Elements: 4
Rings plus double bonds: 9

The formula C18H21NO7 describes a molecule made of 18 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom and 7 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 × 1859.50%
12.011 × 18 = 216.198 g/mol
H Hydrogen × 215.83%
1.008 × 21 = 21.168 g/mol
N Nitrogen × 13.85%
14.007 × 1 = 14.007 g/mol
O Oxygen × 730.82%
15.999 × 7 = 111.993 g/mol

Look up another formula

Compounds with the formula C18H21NO7

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

Showing 1 to 21 of 21 compounds

Dimethyl 4-(3,4,5-trimethoxyphenyl)-1,4-dihydropyridine-3,5-dicarboxylate

CAS 347350-97-4C₁₈H₂₁NO₇

4-[3-Acetyl-2-(2,4-dimethoxyphenyl)-4-hydroxy-5-oxo-2H-pyrrol-1-yl]butanoic acid

CAS 350046-60-5C₁₈H₂₁NO₇

Dimethyl 4-(2,4,5-trimethoxyphenyl)-1,4-dihydropyridine-3,5-dicarboxylate

CAS 347351-30-8C₁₈H₂₁NO₇

2-((3,5-Bis(methoxycarbonyl)phenyl)carbamoyl)cyclohexane-1-carboxylic acid

CAS 497060-80-7C₁₈H₂₁NO₇

3-[(2-Methoxyethoxy)carbonyl]-2-methyl-1-benzofuran-5-yl morpholine-4-carboxylate

CAS 300772-85-4C₁₈H₂₁NO₇

4-{[(5,7-Dimethoxy-4-methyl-2-oxo-2H-chromen-3-yl)acetyl]amino}butanoic acid

CAS 859869-80-0C₁₈H₂₁NO₇

4-{[(6,7-Dimethoxy-4-methyl-2-oxo-2H-chromen-3-yl)acetyl]amino}butanoic acid

CAS 859114-69-5C₁₈H₂₁NO₇

2-{[(6,7-Dimethoxy-4-methyl-2-oxo-2H-chromen-3-yl)acetyl]amino}butanoic acid

CAS 1008239-29-9C₁₈H₂₁NO₇

tert-Butyl (4S)-4-ethyl-4,6-dihydroxy-3,10-dioxo-3,4,8,10-tetrahydro-1H-pyrano[3,4-F]indolizine-7-carboxylate

CAS 183434-04-0C₁₈H₂₁NO₇

4-[3-Acetyl-2-(3,4-dimethoxyphenyl)-4-hydroxy-5-oxo-2H-pyrrol-1-yl]butanoic acid

CAS 300730-66-9C₁₈H₂₁NO₇

Cyclomegistine

CAS 362491-41-6C₁₈H₂₁NO₇

Ethyl 2-cyano-3-hydroxy-4-methoxy-9-phenyl-5,8,10-trioxabicyclo[4.4.0]decane-2-carboxylate

CAS 7224-36-4C₁₈H₂₁NO₇

(S)-tert-Butyl 4-(3-(benzyloxy)-3-oxopropyl)-2,5-dioxooxazolidine-3-carboxylate

CAS 160803-29-2C₁₈H₂₁NO₇

2,4-Diethyl 1-(phenylmethyl) 5-oxo-1,2,4-pyrrolidinetricarboxylate

CAS 120824-81-9C₁₈H₂₁NO₇

Methyl 5-((2,2-dimethyl-4,6-dioxo-1,3-dioxan-5-ylidene)methylamino)-2-isopropoxybenzoate

CAS 1817630-48-0C₁₈H₂₁NO₇

1-(2,4,5,8-Tetramethoxy-3-methyl-6-nitronaphthalen-1-yl)propan-1-one

CAS 90363-52-3C₁₈H₂₁NO₇

3,4-Dimethoxy-2-(3,4,5-trimethoxyanilino)benzoic acid

CAS 143264-94-2C₁₈H₂₁NO₇

Diethyl 2-acetyl-4-methylidene-3-(4-nitrophenyl)pentanedioate

CAS 88039-69-4C₁₈H₂₁NO₇

(3R,4S,5R)-1-Benzyl-2-oxopiperidine-3,4,5-triyl triacetate

CAS 918949-31-2C₁₈H₂₁NO₇

(S)-Benzyl 4-(3-(tert-butoxy)-3-oxopropyl)-2,5-dioxooxazolidine-3-carboxylate

CAS 178614-81-8C₁₈H₂₁NO₇

(S)-alpha-(Boc-amino)-7-hydroxy-2-oxo-2H-1-benzopyran-4-butanoic Acid

CAS 1877330-03-4C₁₈H₂₁NO₇

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What is the molar mass of C18H21NO7?

The molar mass of C18H21NO7 is 363.37 g/mol, calculated from standard atomic weights for 18 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom and 7 oxygen atoms. The monoisotopic mass is 363.1318 Da.

How many compounds have the formula C18H21NO7?

CompoundList lists 21 compounds with the molecular formula C18H21NO7, including Dimethyl 4-(3,4,5-trimethoxyphenyl)-1,4-dihydropyridine-3,5-dicarboxylate, 4-[3-Acetyl-2-(2,4-dimethoxyphenyl)-4-hydroxy-5-oxo-2H-pyrrol-1-yl]butanoic acid, Dimethyl 4-(2,4,5-trimethoxyphenyl)-1,4-dihydropyridine-3,5-dicarboxylate. 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 C18H21NO7?

C18H21NO7 has a degree of unsaturation of 9. 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.