Molecular formula
C21H34O3
132 compounds have this formula on CompoundList.
- Molar mass
- 334.50g/mol
- Monoisotopic mass
- 339.2822Da
- Atoms
- 58
- Elements
- 3
- Rings plus double bonds
- 5
The formula C21H34O3 describes a molecule made of 21 carbon atoms, 34 hydrogen atoms and 3 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 × 2175.41%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 3410.25%1.008 × 34 = 34.272 g/mol
- O Oxygen × 314.35%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C21H34O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 132 compounds
Allotetrahydrodeoxycorticosterone
CAS 567-02-2C21H34O3
Tetrahydrodeoxycorticosterone
CAS 567-03-3C21H34O3
Allopregnane-3beta,17alpha-diol-20-one
CAS 570-54-7C21H34O3
delta 5-Pregnenetriol
CAS 903-67-3C21H34O3
(3alpha,5beta,6alpha)-3,6-Dihydroxypregnan-20-one
CAS 570-78-5C21H34O3
17-Hydroxypregnanolone
CAS 40248-23-5C21H34O3
17alpha-Hydroxypregnanolone
CAS 570-52-5C21H34O3
(3alpha,5alpha)-3,17-Dihydroxypregnan-20-one
CAS 6890-65-9C21H34O3
Methyl (6E,8Z,11Z,14Z)-5-hydroxyicosa-6,8,11,14-tetraenoate
CAS 73279-38-6C21H34O3
Pregnan-3,11-diol-20-one
CAS 565-91-3C21H34O3
3,20-Dihydroxypregnan-11-one
CAS 565-98-0C21H34O3
3alpha,12alpha-Dihydroxy-5beta-pregnan-20-one
CAS 6951-91-3C21H34O3
(3alpha,5alpha,11beta)-3,11-Dihydroxypregnan-20-one
CAS 23930-29-2C21H34O3
3,11-Dihydroxypregnan-20-one
CAS 61791-61-5C21H34O3
Myristyl salicylate
CAS 19666-17-2C21H34O3
Grindelic acid methyl ester
CAS 1438-58-0C21H34O3
15(S)-HETE methyl ester
CAS 70946-44-0C21H34O3
LeukotrieneA A3 methyl ester
CAS 83851-38-1C21H34O3
(Oxiran-2-yl)methyl (9Z,12Z,15Z)-octadeca-9,12,15-trienoate
CAS 51554-07-5C21H34O3
Asterogenol
CAS 75921-90-3C21H34O3
(3S,5S,6R,7R,8R,9S,10R,13S,14S,17Z)-17-Ethylidene-10,13-dimethyl-1,2,3,4,5,6,7,8,9,11,12,14,15,16-tetradecahydrocyclopenta(a)phenanthrene-3,6,7-triol
CAS 202415-99-4C21H34O3
17beta-Hydroxy-2alpha-(methoxymethyl)-5alpha-androstan-3-one
CAS 6945-90-0C21H34O3
3b,5a-Tetrahydrodeoxycorticosterone
CAS 567-01-1C21H34O3
11-Keto-pregnanediol
CAS 6815-48-1C21H34O3
- Kneglomeratanone B155233-38-8C21H34O3
- (3alpha,5alpha,11alpha)-3,11-Dihydroxypregnan-20-one38398-44-6C21H34O3
- Z,Z,Z-8,9-Epoxyeicosa-5,11,14-trienoic acid, methyl ester331965-15-2C21H34O3
- 4-(Tetradecyloxy)benzoic acid15872-46-5C21H34O3
- 17beta-Hydroxy-2alpha-(hydroxymethyl)-17-methyl-5alpha-androstan-3-one20592-44-3C21H34O3
- 1-(4-Hydroxy-3-methoxyphenyl)-3-tetradecanone36700-48-8C21H34O3
- 17,20-Dihydroxypregnan-3-one58701-87-4C21H34O3
- 5beta-Pregnan-20-one, 3alpha,11beta-dihydroxy-565-92-4C21H34O3
- 16-Hydroxykauran-19-oic acid methyl ester22376-08-5C21H34O3
- 2-[(1S,3R)-3-Hydroxycyclohexyl]-5-(8-hydroxy-2-methyloctan-2-yl)phenol1554485-44-7C21H34O3
- (R)-3-(Benzyloxy)tetradecanoic acid87357-67-3C21H34O3
- 5beta-Pregnane-3alpha,16alpha-diol-20-one481-10-7C21H34O3
- D-Homo-17a-oxa-5alpha-androstan-3beta-ol acetate20348-78-1C21H34O3
- 1 suppliers2-Hydroxy-6-tetradecylbenzoic acid59204-69-2C21H34O3
- 1-(3,5-Dihydroxyphenyl)-2-pentadecanone209901-15-5C21H34O3
- 6E-Geranylgeraniol-19-oic acid-1-O-methyl ether132536-52-8C21H34O3
- 5alpha-Pregnane-3beta,6alpha-diol-20-one21853-11-2C21H34O3
- (3E,4S)-3-(6Z)-6-Hexadecen-1-ylidenedihydro-4-hydroxy-5-methylene-2(3H)-furanone139328-80-6C21H34O3
- Lycopersiconol20745-29-3C21H34O3
- (4alpha)-16-Methoxykauran-18-oic acid38308-35-9C21H34O3
- 1H-Naphtho(2,1-b)pyran-7-carboxylic acid, 3-ethenyldodecahydro-3,4a,7,10a-tetramethyl-, methyl ester, (3R-(3alpha,4abeta,6aalpha,7beta,10abeta,10balpha))-56687-75-3C21H34O3
- 3alpha,12beta-Dihydroxy-5alpha-pregnan-20-one1426309-54-7C21H34O3
- 2-Hydroxy-1-((3R,5R,8R,9R,10S,13S,14S,17S)-3-hydroxy-3,13-dimethylhexadecahydro-1H-cyclopenta[A]phenanthren-17-yl)ethanone1430063-94-7C21H34O3
- 15-Hydroxydihydrokaurenoic acid methyl ester106818-49-9C21H34O3
- 5-Hete methyl ester78037-99-7C21H34O3
- Tetradecyl 4-hydroxybenzoate71177-53-2C21H34O3
- 3beta-Acetoxy-5alpha-androstan-17beta-ol3090-70-8C21H34O3
- 5alpha-Pregnan-20-one, 3beta,11beta-dihydroxy-565-89-9C21H34O3
- (3beta,20R)-Pregn-5-ene-3,17,20-triol2204-13-9C21H34O3
- Methyl (5Z,8Z,11Z)-13-[(2S,3R)-3-pentyloxiran-2-yl]trideca-5,8,11-trienoate110901-52-5C21H34O3
- Pregnan-20-one, 3,17-dihydroxy-, (3beta,5beta)-570-53-6C21H34O3
- Tetradecanoic acid, 3-(phenylmethoxy)-, (S)-192508-66-0C21H34O3
- Benzenepropanoic acid, 3,5-bis(1,1-dimethylethyl)-4-hydroxy-, butyl ester52449-44-2C21H34O3
- (+/-)5,6-EET Methyl Ester122799-12-6C21H34O3
- Siegesmethyletheric acid196399-16-3C21H34O3
- Methyl 8,9-epoxypimaran-18-oate42855-38-9C21H34O3
- Benzaldehyde, 2-hydroxy-4-(tetradecyloxy)-97716-58-0C21H34O3
- Ethyl 4-dodecoxybenzoate154845-75-7C21H34O3
- 1 suppliers17-Hydroxyandrostan-3-yl acetate1600-76-6C21H34O3
- Chaetomellic acid B anhydride84306-79-6C21H34O3
- 14(15)-EET methyl ester73804-67-8C21H34O3
- 5alpha-Androstane-17beta-carboxylic acid, 3beta-hydroxy-, methyl ester10002-85-4C21H34O3
- Obtusilactone B58940-65-1C21H34O3
- (20R)-Pregn-4-ene-3,17,20-triol384342-63-6C21H34O3
- (3|A,20R)-Pregn-5-ene-3,17,20-triol-d4105078-93-1C21H34O3
- 3|A,21-Dihydroxy-5|A-pregnan-20-one-d3203805-98-5C21H34O3
- 5beta-Pregnan-3alpha,21-diol-20-one-17alpha,21,21-d372205-58-4C21H34O3
- Menaquinone impurity 2450340-51-7C21H34O3
- Benzyl 3-hydroxytetradecanoate88862-84-4C21H34O3
- Ethyl (6E,10E)-7,11,15-trimethyl-3-oxohexadeca-6,10,14-trienoate141538-75-2C21H34O3
- Pregnan-21-oic acid, 3-hydroxy-, (3beta,5alpha)-132765-51-6C21H34O3
- 12-Benzyloxy-2,2-dimethyldodecanoic acid88088-74-8C21H34O3
- Androstane-17-carboxylic acid, 3-hydroxy-, methyl ester, (3beta,5beta,17beta)-10002-84-3C21H34O3
- 6-[(7-Ethoxy-3,7-dimethyloctyl)oxy]-3-methyl-2,3-dihydro-1-benzofuran51079-68-6C21H34O3
- Ethyl 2-(hexyloxy)-3,5-di(propan-2-yl)benzoate531503-33-0C21H34O3
- Methyl 16-hydroxypimar-7-en-18-oate1970-82-7C21H34O3
- Methyl 8,9-epoxyabietan-18-oate13008-79-2C21H34O3
- m-Methoxybenzoic acid, tridecyl ester69833-37-0C21H34O3
- 3,3-(Dimethoxy)-5alpha-androstan-17-one3591-19-3C21H34O3
- (4aS,5S,8aS)-8a-(1,3-Dioxolan-2-yl)-2,5-dimethyl-5-(4-methylpent-3-enyl)-3,4,4a,6,7,8-hexahydro-2H-naphthalen-1-one115376-32-4C21H34O3
- Methyl 5-hydroxyicosa-6,8,11,14-tetraenoate70968-99-9C21H34O3
- Tetradecyl 3-hydroxybenzoate111722-00-0C21H34O3
- Glycidyl linolenate-d51287393-54-7C21H34O3
- 1-(4-Nonylphenoxy)-3-[(prop-2-en-1-yl)oxy]propan-2-ol142078-72-6C21H34O3
- Isoobtusilactone BC21H34O3
- (3Z,4S)-3-[(E)-Hexadec-7-enylidene]-4-hydroxy-5-methylideneoxolan-2-one58940-66-2C21H34O3
- (1R,2R,5R,6R,8S,11R,12R,15S)-15-Methoxy-6,12-dimethyl-14-oxapentacyclo[10.3.3.15,8.01,11.02,8]nonadecan-6-ol197369-57-6C21H34O3
- 17-(1-Hydroxyethyl)-10,13-dimethyl-2,3,4,7,8,9,11,12,14,15,16,17-dodecahydro-1H-cyclopenta[a]phenanthrene-3,16-diol3885-13-0C21H34O3
- (1S,3aS,3bR,5aS,7R,9aS,9bS,11aS)-1-Hydroxy-9a,11a-dimethyl-hexadecahydro-1H-cyclopenta[a]phenanthren-7-yl acetateC21H34O3
- Methyl (5Z,8Z,11Z,13E)-15-hydroxy-5,8,11,13-eicosatetraenoate71030-40-5C21H34O3
- 1-[(8S,9S,10S,13S,14S,17S)-3,11-Dihydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]ethanone914930-15-7C21H34O3
- Pregnan-20-one, 3,11-dihydroxy-, (3beta,5beta,11beta)-48200-75-5C21H34O3
- (+/-)11(12)-EET methyl ester90693-45-1C21H34O3
- Methyl 13-(3-pentyloxiran-2-yl)trideca-5,8,11-trienoate98974-56-2C21H34O3
- Ethyl 2-acetyl-5,9,13-trimethyltetradeca-4,8,12-trienoateC21H34O3
- 1-[(3R,5S,6S,8R,9S,10R,13S,14S,17S)-3,6-Dihydroxy-10,13-dimethyl-2,3,4,5,6,7,8,9,11,12,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthren-17-yl]ethanone16134-81-9C21H34O3
Frequently asked questions
What is the molar mass of C21H34O3?
The molar mass of C21H34O3 is 334.50 g/mol, calculated from standard atomic weights for 21 carbon atoms, 34 hydrogen atoms and 3 oxygen atoms. The monoisotopic mass is 339.2822 Da.
How many compounds have the formula C21H34O3?
CompoundList lists 132 compounds with the molecular formula C21H34O3, including Allotetrahydrodeoxycorticosterone, Tetrahydrodeoxycorticosterone, Allopregnane-3beta,17alpha-diol-20-one. 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 C21H34O3?
C21H34O3 has a degree of unsaturation of 5. 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.