C21H19NO5
142 compounds have this formula on CompoundList.
- Molar mass
- 365.38g/mol
- Monoisotopic mass
- 365.1263Da
- Atoms
- 46
- Elements
- 4
- Rings plus double bonds
- 13
The formula C21H19NO5 describes a molecule made of 21 carbon atoms, 19 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 × 2169.03%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 195.24%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 13.83%14.007 × 1 = 14.007 g/mol
- O Oxygen × 521.89%15.999 × 5 = 79.995 g/mol
Compounds with the formula C21H19NO5
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 142 of 142 compounds
![1,1'-[(2-Methoxy-5-nitro-1,4-phenylene)bis(oxymethylene)]dibenzene chemical structure, C21H19NO5, CAS 114656-74-5](/s/LLHUKXCQPOGJOX-UHFFFAOYSA-N.svg)
![4-Cyanophenyl 4-{3-[(but-3-enoyl)oxy]propoxy}benzoate chemical structure, C21H19NO5, CAS 141522-53-4](/s/YRECTHGADBBVKG-UHFFFAOYSA-N.svg)
![N-[5-(3,4-Dimethoxyphenyl)-6-methyl-2-oxo-2H-pyran-3-yl]benzamide chemical structure, C21H19NO5, CAS 864777-23-1](/s/CXQMQEHPTWCHEX-UHFFFAOYSA-N.svg)
![[4,5-Bis(benzyloxy)-2-nitrophenyl]methanol chemical structure, C21H19NO5, CAS 15794-69-1](/s/MDFPUTQIVDXUHA-UHFFFAOYSA-N.svg)
![2-[4-(3,4,5-Trimethoxyphenyl)but-3-yn-1-yl]-1H-isoindole-1,3(2H)-dione chemical structure, C21H19NO5, CAS 922190-50-9](/s/QYCHQKONSFKLAN-UHFFFAOYSA-N.svg)
![3'-Methoxy-4-[(4-methoxyphenyl)methoxy]-2-nitro-1,1'-biphenyl chemical structure, C21H19NO5, CAS 920982-65-6](/s/GCAKBOYSHOVNQP-UHFFFAOYSA-N.svg)
![1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-5-oxopiperidine-3-carboxylic acid chemical structure, C21H19NO5, CAS 2138525-98-9](/s/VAPQCQYYDMFDHH-UHFFFAOYSA-N.svg)
![1-[({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)methyl]-3-oxocyclobutane-1-carboxylic acid chemical structure, C21H19NO5, CAS 2138367-33-4](/s/ANCZWBCIZKEMHG-UHFFFAOYSA-N.svg)
![5-[(9H-Fluoren-9-ylmethoxy)carbonyl]-2-oxa-5-azabicyclo[4.1.0]heptane-7-carboxylic acid chemical structure, C21H19NO5, CAS 2171984-52-2](/s/GETNSCHQFMSCIL-UHFFFAOYSA-N.svg)
![5-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-2-oxa-5-azabicyclo[2.2.1]heptane-4-carboxylic acid chemical structure, C21H19NO5, CAS 2171643-26-6](/s/KAWGXAFFSHAYOX-UHFFFAOYSA-N.svg)
![1-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-formylcyclobutane-1-carboxylic acid chemical structure, C21H19NO5, CAS 2219374-70-4](/s/OPYSCSWTMLNFBE-UHFFFAOYSA-N.svg)
![6-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-3-oxa-6-azabicyclo[3.1.1]heptane-1-carboxylic acid chemical structure, C21H19NO5, CAS 2743438-59-5](/s/PSQBROAYJWIXTL-UHFFFAOYSA-N.svg)
![1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-{3-[(3-methylbut-2-en-1-yl)oxy]phenyl}acetate chemical structure, C21H19NO5, CAS 2248333-95-9](/s/LKIILYOXKSPNIT-UHFFFAOYSA-N.svg)
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(6-methoxy-1,2,3,4-tetrahydronaphthalen-1-yl)acetate2248361-44-4C21H19NO5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-(3-methoxy-4-methylphenyl)cyclobutane-1-carboxylate2248278-85-3C21H19NO5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(cyclopentyloxy)-2-phenylacetate2248312-79-8C21H19NO5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 1-[2-(benzyloxy)ethyl]cyclopropane-1-carboxylate2248300-40-3C21H19NO5
- (1S,4S)-5-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-2-oxa-5-azabicyclo[2.2.1]heptane-1-carboxylic acid2580091-62-7C21H19NO5
- (1R,4R)-5-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-2-oxa-5-azabicyclo[2.2.1]heptane-1-carboxylic acid2580093-62-3C21H19NO5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-(4-methylphenyl)oxane-4-carboxylate2248412-91-9C21H19NO5
- 1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-2-methyl-4-oxopyrrolidine-2-carboxylic acid2580239-69-4C21H19NO5
- 4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-2-oxabicyclo[2.1.1]hexane-1-carboxylic acid2580199-59-1C21H19NO5
- 5-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-2-oxa-5-azabicyclo[2.2.1]heptane-1-carboxylic acid2639407-38-6C21H19NO5
- 1-{[(9H-Fluoren-9-yl)methoxy]carbonyl}-3-oxopiperidine-4-carboxylic acid2639462-86-3C21H19NO5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-(2,3-dihydro-1H-inden-5-yloxy)butanoate2248345-75-5C21H19NO5
- 2-{[(Benzyloxy)carbonyl]amino}-2-(4-methoxynaphthalen-1-yl)acetic acid2026192-81-2C21H19NO5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 4-(cyclohexyloxy)benzoate2248298-94-2C21H19NO5
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-[2-(cyclopentyloxy)phenyl]acetate2248391-53-7C21H19NO5
- 2-{[(Benzyloxy)carbonyl]amino}-3-(6-hydroxynaphthalen-2-yl)propanoic acid1042397-32-9C21H19NO5
- (3S,4R)-4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-hydroxycyclopent-1-ene-1-carboxylic acid2913158-53-7C21H19NO5
- Ethyl (R)-3-(3-methoxyphenyl)-1-oxo-2,3-dihydro-1H-benzo[4,5]oxazolo[3,2-a]pyridine-4-carboxylate2760985-60-0C21H19NO5
Frequently asked questions
What is the molar mass of C21H19NO5?
The molar mass of C21H19NO5 is 365.38 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom and 5 oxygen atoms. The monoisotopic mass is 365.1263 Da.
How many compounds have the formula C21H19NO5?
CompoundList lists 142 compounds with the molecular formula C21H19NO5, including 1,1'-[(2-Methoxy-5-nitro-1,4-phenylene)bis(oxymethylene)]dibenzene, 4-Cyanophenyl 4-{3-[(but-3-enoyl)oxy]propoxy}benzoate, (1beta,4beta,7-anti)-7-(p-Methoxyphenyl)norborn-2-en-7-ol p-nitrobenzoate. 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 C21H19NO5?
C21H19NO5 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.