Molecular formula
C21H31NO3
53 compounds have this formula on CompoundList.
- Molar mass
- 345.48g/mol
- Monoisotopic mass
- 345.2304Da
- Atoms
- 56
- Elements
- 4
- Rings plus double bonds
- 7
The formula C21H31NO3 describes a molecule made of 21 carbon atoms, 31 hydrogen atoms, 1 nitrogen atom 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 × 2173.01%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 319.04%1.008 × 31 = 31.248 g/mol
- N Nitrogen × 14.05%14.007 × 1 = 14.007 g/mol
- O Oxygen × 313.89%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C21H31NO3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 53 of 53 compounds
LI 32-468
CAS 81840-58-6C21H31NO3
Spirendolol
CAS 65429-87-0C21H31NO3
RefChem:151650
CAS 103335-44-0C21H31NO3
![4-tert-Butylcyclohexyl 4-[(2-methylphenyl)amino]-4-oxobutanoate chemical structure, C21H31NO3, CAS 303134-12-5](/s/CPCAVNVVWOHDKW-UHFFFAOYSA-N.svg)
4-tert-Butylcyclohexyl 4-[(2-methylphenyl)amino]-4-oxobutanoate
CAS 303134-12-5C21H31NO3
RefChem:916635
CAS 207570-67-0C21H31NO3
Cycloneosamandaridine
CAS 63653-59-8C21H31NO3
(E)-1-Morpholino-3-(4-(octyloxy)phenyl)prop-2-en-1-one
CAS 476355-25-6C21H31NO3
Nateglinide ethyl ester
CAS 187728-85-4C21H31NO3
Dutasteride EP impurity C
CAS 157307-36-3C21H31NO3
Phenanthrene, 1,2,3,4,4a,9,10,10a-octahydro-7-methoxy-1,1,4a-trimethyl-8-(1-methylethyl)-6-nitro-, (4aS,10aS)-
CAS 84104-92-7C21H31NO3
(4-(4-Propylcyclohexyl)benzoyl)-L-valine
CAS 1241902-40-8C21H31NO3
![Ethyl 7-oxo-7-[4-(piperidinomethyl)phenyl]heptanoate chemical structure, C21H31NO3, CAS 898775-85-4](/s/KJMIEQBDETXVBG-UHFFFAOYSA-N.svg)
Ethyl 7-oxo-7-[4-(piperidinomethyl)phenyl]heptanoate
CAS 898775-85-4C21H31NO3
Mandelic acid, alpha-cyclohexyl-, 1-ethyl-3-piperidyl ester
CAS 63917-13-5C21H31NO3
(2S,5R,5aS,5bS,7aS,7bR,10aS,11aS,11bS,13aR)-Octadecahydro-5a,7a-dimethyl-2,5-epoxyfuro(3'',2'':3',4')cyclopenta(1',2':5,6)naphth(1,2-d)azepin-9(1H)-one
CAS 6384-73-2C21H31NO3
![Ethyl 8-oxo-8-[(4-pyrrolidinomthyl)phenyl]octanoate chemical structure, C21H31NO3, CAS 898777-19-0](/s/SPCLAPLILMEXKW-UHFFFAOYSA-N.svg)
Ethyl 8-oxo-8-[(4-pyrrolidinomthyl)phenyl]octanoate
CAS 898777-19-0C21H31NO3
![Ethyl 7-oxo-7-[3-(piperidinomethyl)phenyl]heptanoate chemical structure, C21H31NO3, CAS 898793-83-4](/s/KWAJOEZMDQDIFR-UHFFFAOYSA-N.svg)
Ethyl 7-oxo-7-[3-(piperidinomethyl)phenyl]heptanoate
CAS 898793-83-4C21H31NO3
![Ethyl 7-oxo-7-[2-(piperidinomethyl)phenyl]heptanoate chemical structure, C21H31NO3, CAS 898773-97-2](/s/KFSNGQFBEFMZBQ-UHFFFAOYSA-N.svg)
Ethyl 7-oxo-7-[2-(piperidinomethyl)phenyl]heptanoate
CAS 898773-97-2C21H31NO3
![Ethyl 8-oxo-8-[2-(pyrrolidinomethyl)phenyl]octanoate chemical structure, C21H31NO3, CAS 898775-39-8](/s/CXXHADIHCLKMME-UHFFFAOYSA-N.svg)
Ethyl 8-oxo-8-[2-(pyrrolidinomethyl)phenyl]octanoate
CAS 898775-39-8C21H31NO3
4-tert-Butylcyclohexyl 4-(benzylamino)-4-oxobutanoate
CAS 314767-37-8C21H31NO3
![Ethyl 8-oxo-8-[3-(pyrrolidinomethyl)phenyl]octanoate chemical structure, C21H31NO3, CAS 898771-13-6](/s/PMCRXLOCZBZYQX-UHFFFAOYSA-N.svg)
Ethyl 8-oxo-8-[3-(pyrrolidinomethyl)phenyl]octanoate
CAS 898771-13-6C21H31NO3
(1-Methylpiperidin-4-yl)methyl (1-hydroxycyclohexyl)(phenyl)acetate
CAS 101564-13-0C21H31NO3
4-Phenyl-1-(3-(tetrahydro-2-furyl)propyl)isonipecotic acid ethyl ester
CAS 2260-45-9C21H31NO3
(3E)-3-(Hydroxyimino)androst-4-en-17-yl acetate
CAS 59285-18-6C21H31NO3
N,N-Dicyclohexyl-3,4-dimethoxybenzamide
CAS 362622-20-6C21H31NO3
- 5-(3,4-Dimethoxyphenyl)-3-(heptylamino)cyclohex-2-en-1-one351164-40-4C21H31NO3
- tert-Butyl benzyl(4-(hydroxymethyl)bicyclo[2.2.2]octan-1-yl)carbamate1310731-60-2C21H31NO3
- (10a,12a-Dimethyl-2-oxo-3,4,4a,4b,5,7,8,9,10,10b,11,12-dodecahydro-1H-naphtho[2,1-f]quinolin-8-yl) acetate2232-16-8C21H31NO3
- N,N-Dicyclohexyl-2,4-dimethoxybenzamide496958-46-4C21H31NO3
- Ethyl 1-[(E)-3-(1-adamantyl)-3-oxo-1-propenyl]-4-piperidinecarboxylate675841-80-2C21H31NO3
- 1 suppliers(17E)-17-(Hydroxyimino)androst-5-en-3beta-yl acetate21063-30-9C21H31NO3
- 2-(11-Hydroxy-11-methyldodecyl)-1H-isoindole-1,3(2H)-dione869093-92-5C21H31NO3
- tert-Butyl 6-(3-(tert-butyl)-4-hydroxyphenyl)-3-methyl-3,4-dihydropyridine-1(2H)-carboxylate2760568-39-4C21H31NO3
- [3-(Formyloxy)androst-5-en-17-yl]methanimidic acid29485-93-6C21H31NO3
- 5a,7a-Dimethyl-2-oxo-2,3,4,5,5a,5b,6,7,7a,8,9,10,10a,10b,11,12-hexadecahydrocyclopenta[5,6]naphtho[1,2-d]azepin-8-yl acetate21058-55-9C21H31NO3
- (NE)-N-(10',13'-dimethylspiro[1,3-dioxolane-2,17'-2,6,7,8,9,11,12,14,15,16-decahydro-1H-cyclopenta[a]phenanthrene]-3'-ylidene)hydroxylamine21058-59-3C21H31NO3
- Ethyl 4-(4-(cyclohexylmethyl)-4-hydroxypiperidin-1-yl)benzoate926933-59-7C21H31NO3
- tert-Butyl 4-(4,5-dimethyl-2-propionylphenyl)piperidine-1-carboxylate938450-00-1C21H31NO3
- Spirendolol, (R)-65451-86-7C21H31NO3
- [(3S,8R,9S,10R,13S,14S,17Z)-17-Hydroxyimino-10,13-dimethyl-1,2,3,4,7,8,9,11,12,14,15,16-dodecahydrocyclopenta[a]phenanthren-3-yl] acetateC21H31NO3
- 1 suppliers2-(Dodecyloxy)-6-methyl-4H-benzo[d][1,3]oxazin-4-one282526-87-8C21H31NO3
- 2-(Diethylamino)-7-(octyloxy)-4H-1-benzopyran-4-one667429-23-4C21H31NO3
- (4R)-4-Benzyl-3-undecanoyl-1,3-oxazolidin-2-one184848-25-7C21H31NO3
- (4S)-4-[(Benzyloxy)methyl]-4-(dec-1-en-1-yl)-1,3-oxazolidin-2-one917603-78-2C21H31NO3
- Ethyl 1-(cyclohexylmethyl)-2-oxo-1,2,5,6,7,8,9,10-octahydrocycloocta[B]pyridine-3-carboxylate1038694-95-9C21H31NO3
- tert-Butyl 4-[4-(tert-Butyl)benzoyl]-1-piperidinecarboxylate912768-81-1C21H31NO3
- 6-(Decyloxy)-7-ethoxyquinolin-4-ol2514763-80-3C21H31NO3
- tert-Butyl N-benzyl-N-(5,6-dimethyl-2-oxohept-5-en-1-yl)carbamate2137646-66-1C21H31NO3
- tert-Butyl N-benzyl-N-(7-methyl-3-oxooct-6-en-1-yl)carbamate2138437-81-5C21H31NO3
- tert-Butyl N-benzyl-N-(2-oxonon-8-en-1-yl)carbamate2137576-78-2C21H31NO3
- tert-Butyl 4-[4-(2-methylpropyl)benzoyl]piperidine-1-carboxylate2680670-95-3C21H31NO3
- Benzyl N-(4-hydroxycyclohexyl)-N-(4-methylcyclohexyl)carbamate2680806-50-0C21H31NO3
- tert-Butyl 4-((z)-4-(benzyloxy)but-2-enyl)piperidine-1-carboxylate1192064-21-3C21H31NO3
- 2-(2-Cyanophenoxy)tetradecanoic acid116624-99-8C21H31NO3
Frequently asked questions
What is the molar mass of C21H31NO3?
The molar mass of C21H31NO3 is 345.48 g/mol, calculated from standard atomic weights for 21 carbon atoms, 31 hydrogen atoms, 1 nitrogen atom and 3 oxygen atoms. The monoisotopic mass is 345.2304 Da.
How many compounds have the formula C21H31NO3?
CompoundList lists 53 compounds with the molecular formula C21H31NO3, including LI 32-468, Spirendolol, RefChem:151650. 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 C21H31NO3?
C21H31NO3 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.