Molecular formula

C₁₈H₂₁ClN₄O₄

27 compounds have this formula on CompoundList.

Molar mass: 392.84g/mol
Monoisotopic mass: 392.1251Da
Atoms: 48
Elements: 5
Rings plus double bonds: 10

The formula C18H21ClN4O4 describes a molecule made of 18 carbon atoms, 21 hydrogen atoms, 1 chlorine atom, 4 nitrogen atoms and 4 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 × 1855.03%
12.011 × 18 = 216.198 g/mol
H Hydrogen × 215.39%
1.008 × 21 = 21.168 g/mol
Cl Chlorine × 19.02%
35.45 × 1 = 35.450 g/mol
N Nitrogen × 414.26%
14.007 × 4 = 56.028 g/mol
O Oxygen × 416.29%
15.999 × 4 = 63.996 g/mol

Look up another formula

Compounds with the formula C18H21ClN4O4

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

Showing 1 to 27 of 27 compounds

4-[(3-Chloro-4-methoxybenzyl)amino]-2-[(2S)-2-(hydroxymethyl)-pyrrolidin-1-yl]pyrimidine-5-carboxylic acid

CAS 330785-84-7C₁₈H₂₁ClN₄O₄

4-(2-Amino-6-chloropyrimidin-4-yl)-N-(tert-butoxycarbonyl)-L-phenylalanine

CAS 1033804-86-2C₁₈H₂₁ClN₄O₄

(R)-3-(4-(2-Amino-6-chloropyrimidin-4-yl)phenyl)-2-((tert-butoxycarbonyl)amino)propanoic acid

CAS 2445094-18-6C₁₈H₂₁ClN₄O₄

N-(3-Chloro-4-methoxyphenyl)-2-[4-methyl-2-(morpholin-4-yl)-6-oxo-1,6-dihydropyrimidin-1-yl]acetamide

CAS 1251595-16-0C₁₈H₂₁ClN₄O₄

(R)-4-((3-Chloro-4-methoxybenzyl)amino)-2-(2-(hydroxymethyl)pyrrolidin-1-yl)pyrimidine-5-carboxylic acid

CAS 1638497-25-2C₁₈H₂₁ClN₄O₄

(5-Chloro-2-methoxyphenyl)(4-(2,6-dimethoxypyrimidin-4-yl)piperazin-1-yl)methanone

CAS 1021214-67-4C₁₈H₂₁ClN₄O₄

N-(5-Chloro-2-methoxyphenyl)-2-[5-methyl-3-(morpholine-4-carbonyl)-1H-pyrazol-1-yl]acetamide

CAS 1171374-42-7C₁₈H₂₁ClN₄O₄

N1-(5-chloro-2-methoxyphenyl)-N4-(5-methylisoxazol-3-yl)piperidine-1,4-dicarboxamide

CAS 1251608-48-6C₁₈H₂₁ClN₄O₄

(4-((3,5-Dimethylisoxazol-4-yl)methyl)piperazin-1-yl)(5-(furan-2-yl)isoxazol-3-yl)methanone hydrochloride

CAS 1351609-72-7C₁₈H₂₁ClN₄O₄

H-Ala-Phe-pNA . HCl

CAS 145090-14-8C₁₈H₂₁ClN₄O₄

2-Chloro-4-(3-cyclopentyloxy-4-methoxybenzylamino)-5-nitro-6-methylpyrimidine

CAS 225100-31-2C₁₈H₂₁ClN₄O₄

2-(5-Chloro-6-oxo-4-(pyrrolidin-1-yl)pyridazin-1(6H)-yl)-N-(3,4-dimethoxyphenyl)acetamide

CAS 1360314-68-6C₁₈H₂₁ClN₄O₄

2-(5-Chloro-6-oxo-4-(pyrrolidin-1-yl)pyridazin-1(6H)-yl)-N-(2,4-dimethoxyphenyl)acetamide

CAS 1360293-63-5C₁₈H₂₁ClN₄O₄

5-Chloro-N-(3-(6-oxopyridazin-1(6H)-yl)propyl)-6-((tetrahydro-2H-pyran-4-yl)oxy)nicotinamide

CAS 1903569-88-9C₁₈H₂₁ClN₄O₄

Ethyl 2-[2-(1-butyl-5-chloro-3-methyl-1H-pyrazol-4-yl)ethenyl]-5-nitro-3-pyridinecarboxylate

CAS 1185240-55-4C₁₈H₂₁ClN₄O₄

Ethyl 4-((3-((tert-butoxycarbonyl)amino)phenyl)amino)-2-chloropyrimidine-5-carboxylate

CAS 1429497-82-4C₁₈H₂₁ClN₄O₄

5-(4-Aminopiperidin-1-yl)-2-(2,6-dioxopiperidin-3-yl)isoindoline-1,3-dione hydrochloride

CAS 2636798-56-4C₁₈H₂₁ClN₄O₄

4-(4-Aminopiperidin-1-yl)-2-(2,6-dioxopiperidin-3-yl)isoindoline-1,3-dione hydrochloride

CAS 2154342-35-3C₁₈H₂₁ClN₄O₄

4-[(5-Chloropyrimidin-2-yl)oxy]-N-(2,4-dimethoxyphenyl)piperidine-1-carboxamide

CAS 2415564-60-0C₁₈H₂₁ClN₄O₄

5-(1,4-Diazepan-1-yl)-2-(2,6-dioxopiperidin-3-yl)-2,3-dihydro-1H-isoindole-1,3-dione hydrochloride

CAS 2763749-12-6C₁₈H₂₁ClN₄O₄

4-[(E)-(2-Chloro-4-nitrophenyl)diazenyl]-N,N-bis(2-methoxyethyl)aniline

CAS 88779-14-0C₁₈H₂₁ClN₄O₄

4-(tert-Butoxycarbonyl)-1-(3-chloroquinoxalin-2-yl)piperazine-2-carboxylic acid

CAS 1420787-51-4C₁₈H₂₁ClN₄O₄

N-(5-Chloro-2-methoxyphenyl)-4-[(5-methoxypyrimidin-2-yl)oxy]piperidine-1-carboxamide

CAS 2549034-23-1C₁₈H₂₁ClN₄O₄

tert-Butyl 4-{8-[(chloromethoxy)carbonyl]-[1,2,4]triazolo[1,5-a]pyridin-6-yl}-1,2,3,6-tetrahydropyridine-1-carboxylate

CAS 2137752-70-4C₁₈H₂₁ClN₄O₄

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What is the molar mass of C18H21ClN4O4?

The molar mass of C18H21ClN4O4 is 392.84 g/mol, calculated from standard atomic weights for 18 carbon atoms, 21 hydrogen atoms, 1 chlorine atom, 4 nitrogen atoms and 4 oxygen atoms. The monoisotopic mass is 392.1251 Da.

How many compounds have the formula C18H21ClN4O4?

CompoundList lists 27 compounds with the molecular formula C18H21ClN4O4, including 4-[(3-Chloro-4-methoxybenzyl)amino]-2-[(2S)-2-(hydroxymethyl)-pyrrolidin-1-yl]pyrimidine-5-carboxylic acid, 4-(2-Amino-6-chloropyrimidin-4-yl)-N-(tert-butoxycarbonyl)-L-phenylalanine, (R)-3-(4-(2-Amino-6-chloropyrimidin-4-yl)phenyl)-2-((tert-butoxycarbonyl)amino)propanoic acid. 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 C18H21ClN4O4?

C18H21ClN4O4 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.