Molecular formula

C₂₁H₂₇N₃O₂

208 compounds have this formula on CompoundList.

Molar mass: 353.47g/mol
Monoisotopic mass: 353.2103Da
Atoms: 53
Elements: 4
Rings plus double bonds: 10

The formula C21H27N3O2 describes a molecule made of 21 carbon atoms, 27 hydrogen atoms, 3 nitrogen atoms 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 × 2171.36%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 277.70%
1.008 × 27 = 27.216 g/mol
N Nitrogen × 311.89%
14.007 × 3 = 42.021 g/mol
O Oxygen × 29.05%
15.999 × 2 = 31.998 g/mol

Look up another formula

Compounds with the formula C21H27N3O2

Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.

Showing 1 to 100 of 208 compounds

Methysergide

CAS 361-37-5C₂₁H₂₇N₃O₂

$(4R,7R)-N-(1-Hydroxybutan-2-yl)-6,11-dimethyl-6,11-diazatetracyclo[7.6.1.0^{2,7}.0^{12,16}]hexadeca-1(15),2,9,12(16),13-pentaene-4-carboxamide chemical structure, C21H27N3O2, CAS 220756-57-0$

(4R,7R)-N-(1-Hydroxybutan-2-yl)-6,11-dimethyl-6,11-diazatetracyclo[7.6.1.0^{2,7}.0^{12,16}]hexadeca-1(15),2,9,12(16),13-pentaene-4-carboxamide

CAS 220756-57-0C₂₁H₂₇N₃O₂

N-[4-Methyl-2-(4-morpholinyl)-6-quinolinyl]cyclohexanecarboxamide

CAS 442898-34-2C₂₁H₂₇N₃O₂

4-((2-(Diethylamino)acetyl)amino)-N-(2,6-dimethylphenyl)benzamide

CAS 107634-14-0C₂₁H₂₇N₃O₂

N-(4-Ethoxyphenyl)-3-(4-phenylpiperazin-1-yl)propanamide

CAS 296796-60-6C₂₁H₂₇N₃O₂

3-Cyclohexyl-9,10-dimethoxy-3,4,6,7-tetrahydro-2H-pyrimido[6,1-a]isoquinoline-1-carbonitrile

CAS 51054-44-5C₂₁H₂₇N₃O₂

5,7-Diisopropyl-1,3-diazaspiro[adamantane-2,3'-indoline]-2',6-dione

CAS 361988-59-2C₂₁H₂₇N₃O₂

2-[4-(2,4-Dimethylphenyl)piperazin-1-yl]-N-(4-methoxyphenyl)acetamide

CAS 694461-69-3C₂₁H₂₇N₃O₂

2-[4-(2,6-Dimethylphenyl)piperazin-1-yl]-N-(4-methoxyphenyl)acetamide

CAS 700851-33-8C₂₁H₂₇N₃O₂

2-Ethyl-1-{5-[(4-phenylpiperazino)carbonyl]-1H-pyrrol-3-yl}-1-butanone

CAS 478249-21-7C₂₁H₂₇N₃O₂

Methyl 3-amino-2-{[4-(2,6-dimethylphenyl)piperazino]methyl}benzenecarboxylate

CAS 865660-19-1C₂₁H₂₇N₃O₂

1-Methyllysergic acid butanolamide

CAS 4238-82-8C₂₁H₂₇N₃O₂

1-{5-[(4-Benzylpiperazino)carbonyl]-1H-pyrrol-3-yl}-3-methyl-1-butanone

CAS 444151-86-4C₂₁H₂₇N₃O₂

3-Isopropoxy-N-[4-(4-methyl-piperazin-1-yl)-phenyl]-benzamide

CAS 577998-64-2C₂₁H₂₇N₃O₂

2-(4-tert-Butylphenoxy)-1-[4-(pyridin-2-yl)piperazin-1-yl]ethanone

CAS 420825-18-9C₂₁H₂₇N₃O₂

2-Methoxy-4-{(1Z)-N-[4-(4-methylbenzyl)piperazin-1-yl]ethanimidoyl}phenol

CAS 315222-95-8C₂₁H₂₇N₃O₂

2-(4-Benzylpiperazin-1-yl)-N-(2-ethoxyphenyl)acetamide

CAS 647031-45-6C₂₁H₂₇N₃O₂

2-[4-(4-Methoxyphenyl)piperazin-1-yl]-N-(1-phenylethyl)acetamide

CAS 896229-20-2C₂₁H₂₇N₃O₂

Brevicompanine C

CAS 847982-05-2C₂₁H₂₇N₃O₂

2-((E)-{[4-(2,4-Dimethylbenzyl)-1-piperazinyl]imino}methyl)-6-methoxyphenol

CAS 315184-75-9C₂₁H₂₇N₃O₂

Emd 60400

CAS 142773-98-6C₂₁H₂₇N₃O₂

3-[4-(2-Methoxyphenyl)piperazin-1-yl]-N-(4-methylphenyl)propanamide

CAS 56767-36-3C₂₁H₂₇N₃O₂

[4-(1-Benzylpiperidin-4-yl)piperazin-1-yl]-(furan-2-yl)methanone

CAS 425390-16-5C₂₁H₂₇N₃O₂

N-Cyclopentyl-2-(2-oxo-3-phenyl-1,4-diazaspiro[4.5]dec-3-en-1-yl)acetamide

CAS 1351800-81-1C₂₁H₂₇N₃O₂

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What is the molar mass of C21H27N3O2?

The molar mass of C21H27N3O2 is 353.47 g/mol, calculated from standard atomic weights for 21 carbon atoms, 27 hydrogen atoms, 3 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 353.2103 Da.

How many compounds have the formula C21H27N3O2?

CompoundList lists 208 compounds with the molecular formula C21H27N3O2, including Methysergide, (4R,7R)-N-(1-Hydroxybutan-2-yl)-6,11-dimethyl-6,11-diazatetracyclo[7.6.1.0^{2,7}.0^{12,16}]hexadeca-1(15),2,9,12(16),13-pentaene-4-carboxamide, N-[4-Methyl-2-(4-morpholinyl)-6-quinolinyl]cyclohexanecarboxamide. 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 C21H27N3O2?

C21H27N3O2 has a degree of unsaturation of 10. 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.