C21H21NO7
44 compounds have this formula on CompoundList.
- Molar mass
- 399.40g/mol
- Monoisotopic mass
- 399.1318Da
- Atoms
- 50
- Elements
- 4
- Rings plus double bonds
- 12
The formula C21H21NO7 describes a molecule made of 21 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 × 2163.15%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 215.30%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 13.51%14.007 × 1 = 14.007 g/mol
- O Oxygen × 728.04%15.999 × 7 = 111.993 g/mol
Compounds with the formula C21H21NO7
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 44 of 44 compounds
![3-[N-(Methylethyl)carbamoyl]-2,3-diphenylcarbonyloxypropanoic acid chemical structure, C21H21NO7, CAS 303795-94-0](/s/YUZORMGPDNJKHY-UHFFFAOYSA-N.svg)
![[2-(2,4-Dimethoxyanilino)-2-oxoethyl] 2-(6-methoxy-1-benzofuran-3-yl)acetate chemical structure, C21H21NO7, CAS 786724-25-2](/s/JHYAUXQSVJNSPC-UHFFFAOYSA-N.svg)
![[2-(2,3-Dihydro-1,4-benzodioxin-6-ylamino)-2-oxoethyl] 2-(4-propanoylphenoxy)acetate chemical structure, C21H21NO7, CAS 753461-58-4](/s/JBNQSTWRGWIKPX-UHFFFAOYSA-N.svg)
![[2-[1-(4-Methoxycarbonylphenyl)-2,5-dimethylpyrrol-3-yl]-2-oxoethyl] 2,3-dihydro-1,4-dioxine-5-carboxylate chemical structure, C21H21NO7, CAS 852545-47-2](/s/LFQPFOSEJWFJAC-UHFFFAOYSA-N.svg)
![9-Amino-5-(4-hydroxy-3,5-dimethoxy-phenyl)-5,8,8a,9-tetrahydro-5aH-furo[3',4':6,7]naphtho[2,3-d][1,3]dioxol-6-one chemical structure, C21H21NO7, CAS 117507-84-3](/s/WZTRSUUEQXXWCN-JHQYFNNDSA-N.svg)
![Methyl 2-{[(6-hydroxy-7-methyl-2-oxo-2H-chromen-4-yl)methyl]amino}-4,5-dimethoxybenzoate chemical structure, C21H21NO7, CAS 859861-39-5](/s/QXDYAUDXMUSYDW-UHFFFAOYSA-N.svg)
![N-(4-(Benzo[d][1,3]dioxol-5-yloxy)but-2-yn-1-yl)-3,4,5-trimethoxybenzamide chemical structure, C21H21NO7, CAS 1428364-63-9](/s/XIQIIABCBUWOFK-UHFFFAOYSA-N.svg)
![5-[(4-{[2-(4-Methoxyphenyl)-2-oxoethoxy]carbonyl}phenyl)amino]-5-oxopentanoic acid chemical structure, C21H21NO7, CAS 774557-91-4](/s/XYYXILGFQAJHEK-UHFFFAOYSA-N.svg)
![4-[(4-{[2-(4-Methoxyphenyl)-1-methyl-2-oxoethoxy]carbonyl}phenyl)amino]-4-oxobutanoic acid chemical structure, C21H21NO7, CAS 906137-85-7](/s/BWYMGXYAXXHOGE-UHFFFAOYSA-N.svg)
![(2S,3S)-2,3-Bis(benzoyloxy)-3-[(propan-2-yl)carbamoyl]propanoic acid chemical structure, C21H21NO7, CAS 2227199-14-4](/s/YUZORMGPDNJKHY-IRXDYDNUSA-N.svg)
- 2-[4,5-Dihydroxy-6-(hydroxymethyl)-2-phenylmethoxyoxan-3-yl]isoindole-1,3-dioneC21H21NO7
- (Z)-2-((7-Methyl-3-oxo-2-(3,4,5-trimethoxybenzylidene)-2,3-dihydrobenzofuran-6-yl)oxy)acetamide859133-15-6C21H21NO7
- Ethyl 3-(3,4,5-trimethoxybenzamido)benzofuran-2-carboxylate477567-23-0C21H21NO7
- Methyl 4,5-dimethoxy-2-{[(5-methoxy-2-methyl-1-benzofuran-3-yl)carbonyl]amino}benzoate929390-06-7C21H21NO7
- Butyric acid 4-benzoyl-2-butyryloxy-3-nitro-phenyl ester383382-83-0C21H21NO7
- Diethyl 6,9-dihydro-4,6-dioxo-10-propyl-4H-pyrano-[3,2-g]-quinoline-2,8-dicarboxylate79324-48-4C21H21NO7
- 2-(1,3-Dioxoisoindol-2-yl)-4-(3,4,5-trimethoxyphenyl)butanoic acid7478-77-5C21H21NO7
- 8-Methoxy-6-oxo-6H-benzo[c]chromen-3-yl N-(tert-butoxycarbonyl)glycinate858757-18-3C21H21NO7
- 2-(5,7-Dihydroxy-4-methyl-2-oxo-2H-chromen-3-yl)-N-(2,4-dimethoxybenzyl)acetamide896063-08-4C21H21NO7
- Norgnoscopine hydrochlorideC21H21NO7
- 2-((2R,4R,5S)-2-(Benzyloxy)-4,5-dihydroxy-6-(hydroxymethyl)tetrahydro-2H-pyran-3-yl)isoindoline-1,3-dioneC21H21NO7
- 9,10-Anthracenedione, 2-(((2-amino-2-deoxy-beta-D-glucopyranosyl)oxy)methyl)-102830-98-8C21H21NO7
- 4-(2,3-Dimethoxybenzylidene)-2-(3,4,5-trimethoxyphenyl)-1,3-oxazol-5(4H)-one312724-30-4C21H21NO7
- 6'-Desmethoxy-6'-hydroxy Noscapine220875-41-2C21H21NO7
- 6,7-Dimethoxy-3-[(5R)-4-methoxy-5,6,7,8-tetrahydro-[1,3]dioxolo[4,5-g]isoquinolin-5-yl]-3H-2-benzofuran-1-one92621-03-9C21H21NO7
- 7,8-Dihydro-13a-hydroxy-3,4,10,11-tetramethoxy-5H-Isoindolo[1,2-b][3]benzazepine-5,13(13aH)-dione95456-42-1C21H21NO7
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-methoxy-2-[2-(propan-2-yloxy)ethoxy]benzoate2248411-44-9C21H21NO7
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 3,4,5-triethoxybenzoate2248305-85-1C21H21NO7
- 2-[(2R,3S,4R,5R)-4,5-Dihydroxy-6-(hydroxymethyl)-2-phenylmethoxyoxan-3-yl]isoindole-1,3-dioneC21H21NO7
- 2-[(2R,5S)-4,5-Dihydroxy-6-(hydroxymethyl)-2-phenylmethoxyoxan-3-yl]isoindole-1,3-dioneC21H21NO7
Frequently asked questions
What is the molar mass of C21H21NO7?
The molar mass of C21H21NO7 is 399.40 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 1 nitrogen atom and 7 oxygen atoms. The monoisotopic mass is 399.1318 Da.
How many compounds have the formula C21H21NO7?
CompoundList lists 44 compounds with the molecular formula C21H21NO7, including Narcotoline, 3-[N-(Methylethyl)carbamoyl]-2,3-diphenylcarbonyloxypropanoic acid, 9-(3-Ethoxy-4-hydroxy-5-nitrophenyl)-3,4,5,6,7,9-hexahydro-1H-xanthene-1,8(2H)-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 C21H21NO7?
C21H21NO7 has a degree of unsaturation of 12. 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.