Molecular formula

C₂₁H₂₅N₃O₂

220 compounds have this formula on CompoundList.

Molar mass: 351.45g/mol
Monoisotopic mass: 351.1947Da
Atoms: 51
Elements: 4
Rings plus double bonds: 11

The formula C21H25N3O2 describes a molecule made of 21 carbon atoms, 25 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 × 2171.77%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 257.17%
1.008 × 25 = 25.200 g/mol
N Nitrogen × 311.96%
14.007 × 3 = 42.021 g/mol
O Oxygen × 29.10%
15.999 × 2 = 31.998 g/mol

Look up another formula

Compounds with the formula C21H25N3O2

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

Showing 201 to 220 of 220 compounds

$N-[(4-Methylphenyl)methyl]-2-{6-oxo-7,11-diazatricyclo[7.3.1.0^{2,7}]trideca-2,4-dien-11-yl}acetamide chemical structure, C21H25N3O2, CAS 2324615-17-8$

N-[(4-Methylphenyl)methyl]-2-{6-oxo-7,11-diazatricyclo[7.3.1.0^{2,7}]trideca-2,4-dien-11-yl}acetamide

CAS 2324615-17-8C₂₁H₂₅N₃O₂

6-Cyclopropyl-2-[1-(oxolane-3-carbonyl)piperidin-4-yl]-1,8-naphthyridine

CAS 2741929-37-1C₂₁H₂₅N₃O₂

6-Cyclopropyl-2-[1-(oxolane-2-carbonyl)piperidin-4-yl]-1,8-naphthyridine

CAS 2741955-25-7C₂₁H₂₅N₃O₂

tert-Butyl N-[3-cyano-6-(2-methylpropyl)-4-phenylpyridin-2-yl]carbamate

CAS 2680671-53-6C₂₁H₂₅N₃O₂

2-[1-(3-Methoxypyridin-2-yl)piperidine-3-carbonyl]-1,2,3,4-tetrahydroisoquinoline

CAS 3054633-16-5C₂₁H₂₅N₃O₂

2-[1-(6-Methoxypyridin-2-yl)piperidine-3-carbonyl]-1,2,3,4-tetrahydroisoquinoline

CAS 3054443-53-4C₂₁H₂₅N₃O₂

1-(1-(4-Methoxybenzyl)piperidin-4-yl)-3-methyl-1H-benzo[d]imidazol-2(3H)-one

CAS 521177-94-6C₂₁H₂₅N₃O₂

1-(1-(2-Methoxybenzyl)piperidin-4-yl)-3-methyl-1H-benzo[d]imidazol-2(3H)-one

CAS 521177-59-3C₂₁H₂₅N₃O₂

1-(1-(4-Methoxyphenethyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one

CAS 6449-73-6C₂₁H₂₅N₃O₂

1-(1-(2-(p-Tolyloxy)ethyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one

CAS 2773107-98-3C₂₁H₂₅N₃O₂

1-(1-(2-(m-Tolyloxy)ethyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one

CAS 2776731-12-3C₂₁H₂₅N₃O₂

1-(1-(2-(o-Tolyloxy)ethyl)piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one

CAS 2778431-32-4C₂₁H₂₅N₃O₂

1-(3-Phenoxypropyl)-3-(piperidin-4-yl)-1H-benzo[d]imidazol-2(3H)-one

CAS 3033756-13-4C₂₁H₂₅N₃O₂

1-(1-Benzylpiperidin-4-yl)-3-(methoxymethyl)-1H-benzo[d]imidazol-2(3H)-one

CAS 802557-72-8C₂₁H₂₅N₃O₂

(1r,4r)-4-((1-(4-Methoxybenzyl)-1H-benzo[d]imidazol-2-yl)amino)cyclohexanol

CAS 1420973-73-4C₂₁H₂₅N₃O₂

1-(2,4-Dimethylphenyl)-3-(1,3,3,7-tetramethyl-2-oxoindolin-5-yl)urea

CAS 1400066-15-0C₂₁H₂₅N₃O₂

1-(2,5-Dimethylphenyl)-3-(1,3,3,7-tetramethyl-2-oxoindolin-5-yl)urea

CAS 1400105-80-7C₂₁H₂₅N₃O₂

1H-Pyrazolo[4,3-c]pyridine,5-acetyl-4,5,6,7-tetrahydro-3-[4-(phenylmethoxy)phenyl]-

CAS 661487-21-4C₂₁H₂₅N₃O₂

tert-Butyl N-[3-[(2-methylphenyl)methyl]-4H-quinazolin-2-yl]carbamate

CAS 75064-18-5C₂₁H₂₅N₃O₂

4-((3S,4R)-4-Hydroxy-3-methylpiperidin-1-yl)-N-((1R,2S)-2-phenylcyclopropyl)picolinamide

CAS 2758910-75-5C₂₁H₂₅N₃O₂

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What is the molar mass of C21H25N3O2?

The molar mass of C21H25N3O2 is 351.45 g/mol, calculated from standard atomic weights for 21 carbon atoms, 25 hydrogen atoms, 3 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 351.1947 Da.

How many compounds have the formula C21H25N3O2?

CompoundList lists 220 compounds with the molecular formula C21H25N3O2, including N-[(4-Methylphenyl)methyl]-2-{6-oxo-7,11-diazatricyclo[7.3.1.0^{2,7}]trideca-2,4-dien-11-yl}acetamide, 6-Cyclopropyl-2-[1-(oxolane-3-carbonyl)piperidin-4-yl]-1,8-naphthyridine, 6-Cyclopropyl-2-[1-(oxolane-2-carbonyl)piperidin-4-yl]-1,8-naphthyridine. 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 C21H25N3O2?

C21H25N3O2 has a degree of unsaturation of 11. 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.