Molecular formula

C₂₁H₁₉N₃O₄S

153 compounds have this formula on CompoundList.

Molar mass: 409.46g/mol
Monoisotopic mass: 409.1096Da
Atoms: 48
Elements: 5
Rings plus double bonds: 14

The formula C21H19N3O4S describes a molecule made of 21 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms, 4 oxygen atoms and 1 sulfur atom. 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 × 2161.60%
12.011 × 21 = 252.231 g/mol
H Hydrogen × 194.68%
1.008 × 19 = 19.152 g/mol
N Nitrogen × 310.26%
14.007 × 3 = 42.021 g/mol
O Oxygen × 415.63%
15.999 × 4 = 63.996 g/mol
S Sulfur × 17.83%
32.06 × 1 = 32.060 g/mol

Look up another formula

Compounds with the formula C21H19N3O4S

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

Showing 1 to 100 of 153 compounds

(5Z)-5-(2,3-Dimethoxybenzylidene)-2-(4-ethoxyphenyl)(1,3)thiazolo(3,2-B)(1,2,4)triazol-6(5H)-one

CAS 538340-21-5C₂₁H₁₉N₃O₄S

2-(4-Allyl-5-benzo[1,3]dioxol-5-yl-4H-[1,2,4]triazol-3-ylsulfanyl)-1-(4-methoxy-phenyl)-ethanone

CAS 494201-01-3C₂₁H₁₉N₃O₄S

1-({[5-(2,3-Dihydro-1,4-benzodioxin-2-yl)-1,3,4-oxadiazol-2-yl]thio}acetyl)-1,2,3,4-tetrahydroquinoline

CAS 851130-03-5C₂₁H₁₉N₃O₄S

$2-{[5-(2-Methoxyethyl)-6-oxo-8-oxa-3,5-diazatricyclo[7.4.0.0^{2,7}]trideca-1(9),2(7),3,10,12-pentaen-4-yl]sulfanyl}-N-phenylacetamide chemical structure, C21H19N3O4S, CAS 866894-61-3$

2-{[5-(2-Methoxyethyl)-6-oxo-8-oxa-3,5-diazatricyclo[7.4.0.0^{2,7}]trideca-1(9),2(7),3,10,12-pentaen-4-yl]sulfanyl}-N-phenylacetamide

CAS 866894-61-3C₂₁H₁₉N₃O₄S

2-((4-((2-Hydroxybenzyl)amino)phenyl)thio)-N-(3-nitrophenyl)acetamide

CAS 763108-19-6C₂₁H₁₉N₃O₄S

(Z)-3-(2,5-Dioxopyrrolidin-1-yl)-N-(4-methoxy-3,7-dimethylbenzo[d]thiazol-2(3H)-ylidene)benzamide

CAS 868369-93-1C₂₁H₁₉N₃O₄S

N-[2-(2,4-Dimethylphenyl)-5-oxo-4,6-dihydrothieno[3,4-c]pyrazol-3-yl]-1,3-benzodioxole-5-carboxamide

CAS 1007476-07-4C₂₁H₁₉N₃O₄S

N-(4-(1-(Furan-2-carbonyl)-5-phenyl-4,5-dihydro-1H-pyrazol-3-yl)phenyl)methanesulfonamide

CAS 851718-41-7C₂₁H₁₉N₃O₄S

N-(1,3-Benzodioxol-5-ylmethyl)-2-[6-(2-methoxyphenyl)pyridazin-3-yl]sulfanylacetamide

CAS 893979-86-7C₂₁H₁₉N₃O₄S

2-((4-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-3-oxo-3,4-dihydropyrazin-2-yl)thio)-N-(p-tolyl)acetamide

CAS 899743-71-6C₂₁H₁₉N₃O₄S

(5Z)-5-(2,5-Dimethoxybenzylidene)-2-(4-ethoxyphenyl)[1,3]thiazolo[3,2-B][1,2,4]triazol-6(5H)-one

CAS 617694-41-4C₂₁H₁₉N₃O₄S

(5E)-5-(3,4-Dimethoxybenzylidene)-2-(4-ethoxyphenyl)[1,3]thiazolo[3,2-B][1,2,4]triazol-6(5H)-one

CAS 538340-02-2C₂₁H₁₉N₃O₄S

N1-(benzo[d][1,3]dioxol-5-yl)-N2-(2-(4-methyl-2-phenylthiazol-5-yl)ethyl)oxalamide

CAS 894011-55-3C₂₁H₁₉N₃O₄S

N-(Isoxazol-3-yl)-2-(3-((4-methylbenzyl)sulfonyl)-1H-indol-1-yl)acetamide

CAS 898454-29-0C₂₁H₁₉N₃O₄S

N-(1-(4-Methoxyphenylsulfonyl)-2,3-dihydro-1H-indol-7-yl)isonicotinamide

CAS 916484-16-7C₂₁H₁₉N₃O₄S

Methyl 2-[[3-(4-methoxyphenyl)-4-oxo-5H-pyrimido[5,4-b]indol-2-yl]sulfanyl]propanoate

CAS 536707-96-7C₂₁H₁₉N₃O₄S

1-(2-(Aminocarbothioyl)carbohydrazonoyl)-2-naphthyl 3,4-dimethoxybenzoate

CAS 767320-58-1C₂₁H₁₉N₃O₄S

N-(4-(1-Ethyl-2-oxo-1,2-dihydrobenzo[cd]indole-6-sulfonamido)phenyl)acetamide

CAS 438488-87-0C₂₁H₁₉N₃O₄S

Methyl 2-{[3-cyano-4-(furan-2-yl)-6-methyl-5-(phenylcarbamoyl)-1,4-dihydropyridin-2-yl]sulfanyl}acetate

CAS 223110-41-6C₂₁H₁₉N₃O₄S

(Z)-3-(2,5-Dioxopyrrolidin-1-yl)-N-(6-ethoxy-3-methylbenzo[d]thiazol-2(3H)-ylidene)benzamide

CAS 391867-69-9C₂₁H₁₉N₃O₄S

Ethyl 2-[[3-(4-methoxyphenyl)-4-oxo-5H-pyrimido[5,4-b]indol-2-yl]sulfanyl]acetate

CAS 536707-94-5C₂₁H₁₉N₃O₄S

N-(4-Acetylphenyl)-2-[1-(1,3-benzodioxol-5-ylmethyl)imidazol-2-yl]sulfanylacetamide

CAS 872590-17-5C₂₁H₁₉N₃O₄S

(2-((1H-Indol-5-yl)amino)thiazol-4-yl)(3,4,5-trimethoxyphenyl)methanone

CAS 1332881-27-2C₂₁H₁₉N₃O₄S

N-[4-Methoxy-3-[(2-phenylacetyl)carbamothioylamino]phenyl]furan-2-carboxamide

CAS 832683-34-8C₂₁H₁₉N₃O₄S

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What is the molar mass of C21H19N3O4S?

The molar mass of C21H19N3O4S is 409.46 g/mol, calculated from standard atomic weights for 21 carbon atoms, 19 hydrogen atoms, 3 nitrogen atoms, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 409.1096 Da.

How many compounds have the formula C21H19N3O4S?

CompoundList lists 153 compounds with the molecular formula C21H19N3O4S, including (5Z)-5-(2,3-Dimethoxybenzylidene)-2-(4-ethoxyphenyl)(1,3)thiazolo(3,2-B)(1,2,4)triazol-6(5H)-one, 2-(4-Allyl-5-benzo[1,3]dioxol-5-yl-4H-[1,2,4]triazol-3-ylsulfanyl)-1-(4-methoxy-phenyl)-ethanone, 1-({[5-(2,3-Dihydro-1,4-benzodioxin-2-yl)-1,3,4-oxadiazol-2-yl]thio}acetyl)-1,2,3,4-tetrahydroquinoline. 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 C21H19N3O4S?

C21H19N3O4S has a degree of unsaturation of 14. 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.