Molecular formula
C21H26O3
128 compounds have this formula on CompoundList.
- Molar mass
- 326.44g/mol
- Monoisotopic mass
- 329.2070Da
- Atoms
- 50
- Elements
- 3
- Rings plus double bonds
- 9
The formula C21H26O3 describes a molecule made of 21 carbon atoms, 26 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 × 2177.27%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 268.03%1.008 × 26 = 26.208 g/mol
- O Oxygen × 314.70%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C21H26O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 128 compounds
Acitretin
CAS 55079-83-9C21H26O3
Docebenone
CAS 80809-81-0C21H26O3
13-cis-Acitretin
CAS 69427-46-9C21H26O3
Octabenzone
CAS 1843-05-6C21H26O3
9-(4-Methoxy-2,3,6-trimethylphenyl)-3,7-dimethyl-2,4,6,8-nonatetraenoic acid
CAS 419534-31-9C21H26O3
Moxestrol
CAS 34816-55-2C21H26O3
Buparvaquone
CAS 88426-33-9C21H26O3
RU 16117
CAS 61665-15-4C21H26O3
Malabaricone A
CAS 63335-23-9C21H26O3
![4'-(Octyloxy)-[1,1'-biphenyl]-4-carboxylic acid chemical structure, C21H26O3, CAS 59748-18-4](/s/YNBBQLUKHHSKPW-UHFFFAOYSA-N.svg)
4'-(Octyloxy)-[1,1'-biphenyl]-4-carboxylic acid
CAS 59748-18-4C21H26O3
Triptophenolide methyl ether
CAS 74311-48-1C21H26O3
11-Hydroxycannabinol
CAS 30432-08-7C21H26O3
4-(3-(4-Hydroxy-2-methoxyphenyl)propyl)-2-(3-methylbut-2-en-1-yl)phenol
CAS 376362-03-7C21H26O3
![17-Acetyl-10,13-dimethyl-7,8,9,12,14,15,16,17-octahydro-6H-cyclopenta[a]phenanthrene-3,11-dione chemical structure, C21H26O3, CAS 5039-32-7](/s/YZZVVLUNOZJXCM-UHFFFAOYSA-N.svg)
17-Acetyl-10,13-dimethyl-7,8,9,12,14,15,16,17-octahydro-6H-cyclopenta[a]phenanthrene-3,11-dione
CAS 5039-32-7C21H26O3
Neridienone A
CAS 53823-05-5C21H26O3
8-Epi-puupehedione, (+)-
CAS 257288-29-2C21H26O3
8-Hydroxycannabinol
CAS 53865-22-8C21H26O3
Puupehedione
CAS 151345-10-7C21H26O3
2-Methoxy-17alpha-ethynylestradiol
CAS 22415-44-7C21H26O3
17-Hydroxy-4,6,8(14)-pregnatriene-3,20-dione
CAS 14147-97-8C21H26O3
![3H-4,8a-Propano-1H-2-benzopyran-1-one,8[2-(3-furanyl)ethyl]hexahydro-4-methyl-7-methylene chemical structure, C21H26O3, CAS 57459-42-4](/s/KRQYBYJLACDKBF-RMVXJAJNSA-N.svg)
3H-4,8a-Propano-1H-2-benzopyran-1-one,8[2-(3-furanyl)ethyl]hexahydro-4-methyl-7-methylene
CAS 57459-42-4C21H26O3
Oropheolide
CAS 1193671-71-4C21H26O3
16,17-Didehydro-11-oxoprogesterone
CAS 1882-86-6C21H26O3
Cyclorenierin B
CAS 164906-29-0C21H26O3
- 3-(5-Cyclohexylpentyl)-4-hydroxynaphthalene-1,2-dione22769-71-7C21H26O3
- [4-[(2-Ethylhexyl)oxy]-2-hydroxyphenyl]phenylmethanone2549-90-8C21H26O3
- 6-Oxo D-(-)-norgestrel1175109-63-3C21H26O3
- 4-(tert-Octyl)phenyl salicylate2553-08-4C21H26O3
- 4-Octylphenyl salicylate2512-56-3C21H26O3
- 2Z,4Z-Acitretin69427-47-0C21H26O3
- Cyclorenierin A164672-55-3C21H26O3
- 3-Pentanone, 2,4-bis(4-methoxyphenyl)-2,4-dimethyl-824984-63-6C21H26O3
- 2-Hydroxy-4-isooctoxybenzophenone33059-05-1C21H26O3
- Thymol carbonate552-93-2C21H26O3
- Furospongin 5192223-13-5C21H26O3
- Furospongin 235671-05-7C21H26O3
- 2,2-Bis(4-ethoxyphenyl)-3,3-dimethyloxetane32795-78-1C21H26O3
- Acitretin-d31185241-03-5C21H26O3
- 17-(3'-Hydroxypropyl)-1,3,5,6,8(9)-estrapentaene-3,17-diol93239-10-2C21H26O3
- Anhydromerogedunol5195-83-5C21H26O3
- 17-Hydroxy-1,4,6-pregnatriene-3,20-dione66212-25-7C21H26O3
- 2-Hydroxymestranol26011-40-5C21H26O3
- Pregna-1,4-diene-3,11,20-trione4368-11-0C21H26O3
- 4-Hydroxy-3-(4-(2-methylbutan-2-yl)cyclohexyl)naphthalene-1,2-dione92448-79-8C21H26O3
- Methanone, [4-[(3,5-dimethylhexyl)oxy]-2-hydroxyphenyl]phenyl-67845-91-4C21H26O3
- Methanone, (4-((4,5-dimethylhexyl)oxy)-2-hydroxyphenyl)phenyl-67845-96-9C21H26O3
- Methanone, [2-hydroxy-4-[(3-methylheptyl)oxy]phenyl]phenyl-67845-97-0C21H26O3
- Methanone, (4-((3,4-dimethylhexyl)oxy)-2-hydroxyphenyl)phenyl-67845-98-1C21H26O3
- Estrone propionate975-64-4C21H26O3
- 4-Hydroxy mestranol65694-22-6C21H26O3
- 16alpha,17-Epoxypregna-4,9(11)-diene-3,20-dione94088-90-1C21H26O3
- Pregna-4,6-diene-3,11,20-trione21063-91-2C21H26O3
- 4-[(4-tert-Butyl-2,6-dimethylphenyl)methoxy]-3-methoxybenzaldehyde380342-78-9C21H26O3
- 5-(5,5-Dimethyl-1,3-dioxan-2-yl)-1'-valeronaphthone898756-32-6C21H26O3
- 5-(5,5-Dimethyl-1,3-dioxan-2-yl)-2'-valeronaphthone898756-41-7C21H26O3
- 1-(4-Butan-2-ylphenoxy)propan-2-yl 2-phenylacetate5436-64-6C21H26O3
- 6'-Butyl-3',4'-dihydro-8'H-spiro[cyclohexane-1,2'-pyrano[3,2-g]chromen]-8'-one898920-55-3C21H26O3
- (2,4-Dibutoxyphenyl)(phenyl)methanone106615-09-2C21H26O3
- Bis(4-(tert-butyl)phenyl) carbonate2561-97-9C21H26O3
- 2-[3-(2,5-Dimethyl-phenyl)-propyl]-6-methoxy-benzoic acid ethyl ester1171923-78-6C21H26O3
- [(8R,9S,10R,13S,14S,17S)-10,13-Dimethyl-3-oxo-8,9,11,12,14,15,16,17-octahydrocyclopenta[a]phenanthren-17-yl] acetate42224-78-2C21H26O3
- 13-Methyl-3-(oxiran-2-ylmethoxy)-7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthren-17-one58658-77-8C21H26O3
- (6-(Benzyloxy)-2,5,7,8-tetramethylchroman-2-yl)methanol171270-07-8C21H26O3
- 3-Methoxy-19-Norpregna-1,3,5(10)-trien-20-yne-16alpha,17-diol14927-56-1C21H26O3
- (13-Methylspiro[7,8,9,11,12,14,15,16-octahydro-6H-cyclopenta[a]phenanthrene-17,2'-oxirane]-3-yl) acetate52013-77-1C21H26O3
- 6-Methoxy-9b-methyl-7-propan-2-yl-3,3b,4,5,10,11-hexahydronaphtho[2,1-e][2]benzofuran-1-one73414-41-2C21H26O3
- 6-Methoxy-9b-methyl-7-propan-2-yl-3,4,5,10,11,11a-hexahydronaphtho[2,1-e][2]benzofuran-1-one73414-40-1C21H26O3
- Oxetane, 2,2-bis(4-methoxyphenyl)-3,3,4,4-tetramethyl-56440-24-5C21H26O3
- 16-Phenyl-15-oxadispiro[5.1.5^{8}.3^{6}]hexadecane-7,14-dione374921-78-5C21H26O3
- 4-Benzyloxy-3-ethyl-5-methyl-benzoic acid tert-butyl ester1160956-60-4C21H26O3
- 3-Ethyl-2,4-bis(4-methoxyphenyl)pentanal74063-46-0C21H26O3
- 1-[2-(Butan-2-yl)phenoxy]propan-2-yl phenylacetate5436-63-5C21H26O3
- 11,17-Dihydroxypregna-1,4-dien-20-yn-3-one13952-05-1C21H26O3
- 1-(2,4-Dimethoxyphenyl)-2-(4-isobutylphenyl)propan-1-one261178-38-5C21H26O3
- Cyclofurospongin 2192223-14-6C21H26O3
- Bis(5-tert-butyl-2-hydroxyphenyl)methanone25446-98-4C21H26O3
- 4-Octylphenyl 4-hydroxybenzoate50687-72-4C21H26O3
- 4-Methylphenyl 4-(heptyloxy)benzoate58600-99-0C21H26O3
- 3,6-di-tert-Butyl-9H-xanthene-2,7-diol102611-64-3C21H26O3
- 2-Methoxy-6-(6-phenyl-hexyl)-benzoic acid methyl ester1171921-59-7C21H26O3
- {5-Ethyl-2-[1-(2-hydroxy-ethyl)-butoxy]-phenyl}-phenyl-methanone847347-10-8C21H26O3
- 3,3-Bis(2-methoxybenzyl)pent-4-en-1-ol1384881-68-8C21H26O3
- 3,3-Bis(3-methoxybenzyl)pent-4-en-1-ol1384881-67-7C21H26O3
- Glabralide B2170388-84-6C21H26O3
- Prionidipene A2199455-72-4C21H26O3
- (3-Phenoxyphenyl)methyl 2-propan-2-ylpentanoate112474-15-4C21H26O3
- 6-Hexyl-2,3,5,9-tetramethyl-7H-furo[3,2-g]chromen-7-one374766-03-7C21H26O3
- Butanoic acid, 3-methyl-2-(1-methylethyl)-, (3-phenoxyphenyl)methyl ester62391-88-2C21H26O3
- 2,2',2''-(Hexane-1,1,1-triyl)tris(5-methylfuran)87688-72-0C21H26O3
- 2,3-Dihydro-6,9-dimethoxy-1,1-dimethyl-7-(1-methylethyl)-4(1H)-phenanthrenone158830-69-4C21H26O3
- 4'-(Hexyloxy)-2',5'-dimethyl[1,1'-biphenyl]-4-carboxylic acid920269-61-0C21H26O3
- [2,4-Dihydroxy-5-(2,4,4-trimethylpentan-2-yl)phenyl](phenyl)methanone56220-42-9C21H26O3
- 2-(2,4,4-Trimethylpentan-2-yl)phenyl 2-hydroxybenzoate27479-27-2C21H26O3
- Phenyl 3,5-di-tert-butyl-4-hydroxybenzoate4221-74-3C21H26O3
- 1-{4-[3-(4-tert-Butylphenoxy)propoxy]phenyl}ethan-1-one62874-70-8C21H26O3
- 4-(Butan-2-yl)phenyl 4-butoxybenzoate62717-05-9C21H26O3
- 9-Cis acitretinC21H26O3
- 2-[4-(Benzyloxy)phenyl]ethyl hexanoate794564-01-5C21H26O3
- (8xi,9xi,14xi,17alpha)-17-Hydroxypregn-4-en-20-yne-3,11-dione95282-94-3C21H26O3
- (4-Butoxy-5-tert-butyl-2-hydroxyphenyl)(phenyl)methanone68100-20-9C21H26O3
Frequently asked questions
What is the molar mass of C21H26O3?
The molar mass of C21H26O3 is 326.44 g/mol, calculated from standard atomic weights for 21 carbon atoms, 26 hydrogen atoms and 3 oxygen atoms. The monoisotopic mass is 329.2070 Da.
How many compounds have the formula C21H26O3?
CompoundList lists 128 compounds with the molecular formula C21H26O3, including Acitretin, Docebenone, 13-cis-Acitretin. 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 C21H26O3?
C21H26O3 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.