C21H31NO2
44 compounds have this formula on CompoundList.
- Molar mass
- 329.48g/mol
- Monoisotopic mass
- 329.2355Da
- Atoms
- 55
- Elements
- 4
- Rings plus double bonds
- 7
The formula C21H31NO2 describes a molecule made of 21 carbon atoms, 31 hydrogen atoms, 1 nitrogen atom and 2 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 × 2176.55%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 319.48%1.008 × 31 = 31.248 g/mol
- N Nitrogen × 14.25%14.007 × 1 = 14.007 g/mol
- O Oxygen × 29.71%15.999 × 2 = 31.998 g/mol
Compounds with the formula C21H31NO2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 44 of 44 compounds
![1-Cyclopentyl-5-[2-hydroxyethyl(propan-2-yl)amino]-1-phenylpent-3-yn-1-ol chemical structure, C21H31NO2, CAS 373619-46-6](/s/XUPWMFVPLKVQOJ-UHFFFAOYSA-N.svg)
![7-Acetyl-1,4a,6a-trimethyl-1,3,4,4a,4b,5,6,6a,7,8,9,9a,9b,10-tetradecahydro-2H-indeno[5,4-f]quinolin-2-one chemical structure, C21H31NO2, CAS 2102-23-0](/s/HQWPPVLSHLFTDY-UHFFFAOYSA-N.svg)
![1-((8S,9S,10R,13S,14S,17S,E)-3-(Hydroxyimino)-10,13-dimethyl-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl)ethanone chemical structure, C21H31NO2, CAS 1185297-23-7](/s/FPSIMALNSFTZTF-KHKPFDQOSA-N.svg)
![17-(2-Aminoethyl)-3-methoxy-13-methyl-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-ol chemical structure, C21H31NO2, CAS 54602-73-2](/s/GLDDVMQXMPJMCW-UHFFFAOYSA-N.svg)
![N-[2-(1-Cyclohexen-1-yl)ethyl]-4-(hexyloxy)benzamide chemical structure, C21H31NO2, CAS 401598-18-3](/s/YDZSHIWCYLICHY-UHFFFAOYSA-N.svg)
![1-[(2-Cyclohexyl-2-phenyl-1,3-dioxolan-4-yl)methyl]piperidine chemical structure, C21H31NO2, CAS 65471-77-4](/s/ZWIODIFKSVPGCC-UHFFFAOYSA-N.svg)
- 6-Acetyl-4,4-dimethyl-1-octyl-3,4-dihydroquinolin-2(1H)-one651026-54-9C21H31NO2
- Des[[N-(1,1-Dimethylethyl)amino]carbonyl] 17-(Propionyl) Finasteride1346604-11-2C21H31NO2
- 1-Propanamine, 3-(3-methylbutoxy)-N-(1-methylethyl)-3-(1-naphthalenyloxy)-, (R)-164204-45-9C21H31NO2
- 2beta-Cyano-17beta-Hydroxy-17alpha-methyl-5beta-androstan-3-one13648-05-0C21H31NO2
- 20-(Hydroxyimino)pregn-4-en-3-one211302-60-2C21H31NO2
- 16-Dehydropregnenolone oximeC21H31NO2
- N,N-Dicyclohexyl-2-(3-methylphenoxy)acetamide693234-97-8C21H31NO2
- Methyl 1-isopropyl-3-(4-phenylpiperidin-1-yl)cyclopentane-1-carboxylate400770-04-9C21H31NO2
- Progesterone 3-oxime51652-28-9C21H31NO2
- 2-Isopropyl-5-methylcyclohexyl N-benzyl-N-vinylcarbamate1858249-92-9C21H31NO2
- 18-Amino progesterone95007-08-2C21H31NO2
- 1-[(2-Phenyl-1,3-dioxaspiro[5.5]undecan-4-yl)methyl]piperidine61531-61-1C21H31NO2
- N-(1-Oxo-2,3-dihydro-1H-inden-4-yl)dodecanamide77750-01-7C21H31NO2
- 2-Tridecyl-1H-isoindole-1,3(2H)-dione89423-10-9C21H31NO2
- 6-[3-(Benzyloxy)pyrrolidin-1-yl]spiro[4.5]decan-8-ol2138100-18-0C21H31NO2
- Ethyl 2-amino-4,5-dicyclohexylbenzoate2639446-90-3C21H31NO2
- 1 suppliersAbiraterone impurity 822837214-10-3C21H31NO2
- 1-Propanamine, 3-(3-methylbutoxy)-N-(1-methylethyl)-3-(1-naphthalenyloxy)-, (S)-164204-46-0C21H31NO2
- 5a-Androst-2-ene-2-carbonitrile, 17b-hydroxy-3-methoxy-(7CI,8CI)5742-50-7C21H31NO2
- (1S,2S,10S,13R,14S,17S,18S)-2,17,18-Trimethyl-7-oxa-6-azapentacyclo[11.7.0.02,10.04,8.014,18]icosa-4(8),5-dien-17-ol6251-57-6C21H31NO2
Frequently asked questions
What is the molar mass of C21H31NO2?
The molar mass of C21H31NO2 is 329.48 g/mol, calculated from standard atomic weights for 21 carbon atoms, 31 hydrogen atoms, 1 nitrogen atom and 2 oxygen atoms. The monoisotopic mass is 329.2355 Da.
How many compounds have the formula C21H31NO2?
CompoundList lists 44 compounds with the molecular formula C21H31NO2, including Bornaprine, (17beta)-17-((3-Hydroxypropyl)amino)estra-1,3,5(10)-trien-3-ol, Androstan-17-one, 3-ethynyl-3-hydroxy-, oxime, (3beta,5alpha,17e)-. 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 C21H31NO2?
C21H31NO2 has a degree of unsaturation of 7. 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.