Molecular formula

C₂₁H₂₆N₄O₅

41 compounds have this formula on CompoundList.

Molar mass: 414.46g/mol
Monoisotopic mass: 414.1903Da
Atoms: 56
Elements: 4
Rings plus double bonds: 11

The formula C21H26N4O5 describes a molecule made of 21 carbon atoms, 26 hydrogen atoms, 4 nitrogen atoms and 5 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 × 2160.86%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 266.32%
1.008 × 26 = 26.208 g/mol
N Nitrogen × 413.52%
14.007 × 4 = 56.028 g/mol
O Oxygen × 519.30%
15.999 × 5 = 79.995 g/mol

Look up another formula

Compounds with the formula C21H26N4O5

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

Showing 1 to 41 of 41 compounds

N-(2-Methoxy-5-nitrophenyl)-3-[4-(2-methoxyphenyl)piperazin-1-yl]propanamide

CAS 356078-88-1C₂₁H₂₆N₄O₅

N1-(2-(benzo[d][1,3]dioxol-5-yl)-2-(4-methylpiperazin-1-yl)ethyl)-N2-(furan-2-ylmethyl)oxalamide

CAS 896340-92-4C₂₁H₂₆N₄O₅

N1-(benzo[d][1,3]dioxol-5-ylmethyl)-N2-(2-(1-methyl-1H-pyrrol-2-yl)-2-morpholinoethyl)oxalamide

CAS 1049374-79-9C₂₁H₂₆N₄O₅

1H-Purine-2,6-dione, 3,7-dihydro-1,3-diethyl-7-methyl-8-(2-(3,4,5-trimethoxyphenyl)ethenyl)-,(E)-

CAS 147700-40-1C₂₁H₂₆N₄O₅

tert-Butyl 7-methoxy-3-methyl-6-(1,3-oxazol-5-yl)-4-oxospiro[1H-quinazoline-2,3'-pyrrolidine]-1'-carboxylate

CAS 672301-29-0C₂₁H₂₆N₄O₅

1-tert-Butyl-3'-nitrospiro[1,3-diazinane-5,6'-6a,7,8,9,10,11-hexahydro-5H-azepino[1,2-a]quinoline]-2,4,6-trione

CAS 893767-49-2C₂₁H₂₆N₄O₅

1'-tert-Butyl-3-methyl-8-nitrospiro[1,2,3,4,4a,6-hexahydrobenzo[c]quinolizine-5,5'-1,3-diazinane]-2',4',6'-trione

CAS 1005277-27-9C₂₁H₂₆N₄O₅

7-(2-Methoxyethyl)-N-(2-methoxyphenethyl)-1,3-dimethyl-2,4-dioxo-2,3,4,7-tetrahydro-1H-pyrrolo[2,3-d]pyrimidine-6-carboxamide

CAS 1021257-55-5C₂₁H₂₆N₄O₅

Ethyl 1-[2-[(3,5-dimethyl-4-nitropyrazol-1-yl)methyl]benzoyl]piperidine-4-carboxylate

CAS 1005566-74-4C₂₁H₂₆N₄O₅

1H-Purine-2,6-dione, 3,7-dihydro-1,3-diethyl-7-methyl-8-(2-(2,3,4-trimethoxyphenyl)ethenyl)-,(E)-

CAS 155271-05-9C₂₁H₂₆N₄O₅

N-(2-Ethoxyphenyl)-7-(3-methoxypropyl)-1,3-dimethyl-2,4-dioxo-2,3,4,7-tetrahydro-1H-pyrrolo[2,3-d]pyrimidine-6-carboxamide

CAS 1021217-55-9C₂₁H₂₆N₄O₅

7-Butyl-N-(2,4-dimethoxyphenyl)-1,3-dimethyl-2,4-dioxo-2,3,4,7-tetrahydro-1H-pyrrolo[2,3-d]pyrimidine-6-carboxamide

CAS 1021059-59-5C₂₁H₂₆N₄O₅

Ethyl 1-(4-(3-methoxy-1-methyl-1H-pyrazole-4-carboxamido)benzoyl)piperidine-3-carboxylate

CAS 1226445-34-6C₂₁H₂₆N₄O₅

Isopropyl 2-(1-(3-methoxypropyl)-9-methyl-4-oxo-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxamido)acetate

CAS 900270-62-4C₂₁H₂₆N₄O₅

Ethyl 4-(4-(ethoxycarbonyl)piperazin-1-yl)-6-oxo-1-(p-tolyl)-1,6-dihydropyridazine-3-carboxylate

CAS 922068-20-0C₂₁H₂₆N₄O₅

N1-(2,3-dihydrobenzo[b][1,4]dioxin-6-yl)-N2-(2-(1-methyl-1H-pyrrol-2-yl)-2-morpholinoethyl)oxalamide

CAS 1049477-57-7C₂₁H₂₆N₄O₅

Methyl 4-(2-((2-(1-methyl-1H-pyrrol-2-yl)-2-morpholinoethyl)amino)-2-oxoacetamido)benzoate

CAS 1049398-65-3C₂₁H₂₆N₄O₅

$Methyl 4-{[({11-oxo-1-azatricyclo[6.3.1.0^{4,12}]dodeca-4,6,8(12)-trien-6-yl}carbamoyl)formamido]methyl}piperidine-1-carboxylate chemical structure, C21H26N4O5, CAS 1323631-02-2$

Methyl 4-{[({11-oxo-1-azatricyclo[6.3.1.0^{4,12}]dodeca-4,6,8(12)-trien-6-yl}carbamoyl)formamido]methyl}piperidine-1-carboxylate

CAS 1323631-02-2C₂₁H₂₆N₄O₅

1-[1-(6-Methoxy-1H-indole-2-carbonyl)piperidin-4-yl]-3-(2-methoxyethyl)imidazolidine-2,4-dione

CAS 2034605-52-0C₂₁H₂₆N₄O₅

4-[({N-[(4-Oxo-3,4-dihydro-1-phthalazinyl)acetyl]alanyl}amino)methyl]cyclohexanecarboxylic acid

CAS 1033850-63-3C₂₁H₂₆N₄O₅

2-(5-Methoxy-2-((4-methylpiperidin-1-yl)methyl)-4-oxopyridin-1(4H)-yl)-N-(3-nitrophenyl)acetamide

CAS 921471-20-7C₂₁H₂₆N₄O₅

Ethyl 4-(4-(ethoxycarbonyl)piperazin-1-yl)-6-oxo-1-(o-tolyl)-1,6-dihydropyridazine-3-carboxylate

CAS 922014-86-6C₂₁H₂₆N₄O₅

N-(3-Acetamidophenyl)-2-(5-methoxy-2-(morpholinomethyl)-4-oxopyridin-1(4H)-yl)acetamide

CAS 946201-66-7C₂₁H₂₆N₄O₅

N-Allyl-2-(2-((4-(furan-2-carbonyl)piperazin-1-yl)methyl)-5-methoxy-4-oxopyridin-1(4H)-yl)acetamide

CAS 921481-10-9C₂₁H₂₆N₄O₅

Frequently asked questions

Still have a question?

The help centre explains buying, quotes and supplier badges step by step, or you can write to our team.

Help centre Contact us

What is the molar mass of C21H26N4O5?

The molar mass of C21H26N4O5 is 414.46 g/mol, calculated from standard atomic weights for 21 carbon atoms, 26 hydrogen atoms, 4 nitrogen atoms and 5 oxygen atoms. The monoisotopic mass is 414.1903 Da.

How many compounds have the formula C21H26N4O5?

CompoundList lists 41 compounds with the molecular formula C21H26N4O5, including N-(2-Methoxy-5-nitrophenyl)-3-[4-(2-methoxyphenyl)piperazin-1-yl]propanamide, N1-(2-(benzo[d][1,3]dioxol-5-yl)-2-(4-methylpiperazin-1-yl)ethyl)-N2-(furan-2-ylmethyl)oxalamide, N1-(benzo[d][1,3]dioxol-5-ylmethyl)-N2-(2-(1-methyl-1H-pyrrol-2-yl)-2-morpholinoethyl)oxalamide. 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 C21H26N4O5?

C21H26N4O5 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.