Molecular formula
C18H19NO4S
172 compounds have this formula on CompoundList.
- Molar mass
- 345.41g/mol
- Monoisotopic mass
- 345.1035Da
- Atoms
- 43
- Elements
- 5
- Rings plus double bonds
- 10
The formula C18H19NO4S describes a molecule made of 18 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom, 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 × 1862.59%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 195.54%1.008 × 19 = 19.152 g/mol
- N Nitrogen × 14.06%14.007 × 1 = 14.007 g/mol
- O Oxygen × 418.53%15.999 × 4 = 63.996 g/mol
- S Sulfur × 19.28%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C18H19NO4S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 172 of 172 compounds
![[2-(Furan-2-yl)-1,3-thiazol-4-yl]methyl 9-oxobicyclo[3.3.1]nonane-3-carboxylate chemical structure, C18H19NO4S, CAS 1171645-72-9](/s/ZDNRGAYNSRRGLJ-UHFFFAOYSA-N.svg)
[2-(Furan-2-yl)-1,3-thiazol-4-yl]methyl 9-oxobicyclo[3.3.1]nonane-3-carboxylate
CAS 1171645-72-9C18H19NO4S
(E)-N-(1,3-Benzodioxol-5-ylmethyl)-N-ethyl-2-phenylethenesulfonamide
CAS 1331448-50-0C18H19NO4S
Methyl 4-((2-hydroxy-2-(4-(methylthio)phenyl)ethyl)carbamoyl)benzoate
CAS 1448035-31-1C18H19NO4S
N-(3-(Benzofuran-2-yl)-3-hydroxypropyl)-3-methylbenzenesulfonamide
CAS 1448058-42-1C18H19NO4S
2-Phenoxy-1-(3-(phenylsulfonyl)pyrrolidin-1-yl)ethanone
CAS 1448060-49-8C18H19NO4S
(3-((4-Methoxyphenyl)sulfonyl)azetidin-1-yl)(m-tolyl)methanone
CAS 1797690-20-0C18H19NO4S
(2-Methoxyphenyl)(3-(phenylsulfonyl)pyrrolidin-1-yl)methanone
CAS 1788675-70-6C18H19NO4S
(E)-6-Methyl-4-((1-(3-(thiophen-2-yl)acryloyl)piperidin-4-yl)oxy)-2H-pyran-2-one
CAS 1799270-47-5C18H19NO4S
(4-Methoxyphenyl)(3-(phenylsulfonyl)pyrrolidin-1-yl)methanone
CAS 1706326-42-2C18H19NO4S
![(E)-3-(Benzo[d][1,3]dioxol-5-yl)-N-(2-methoxy-2-(5-methylthiophen-2-yl)ethyl)acrylamide chemical structure, C18H19NO4S, CAS 1706497-92-8](/s/ZPEYRCZKDVZVOT-VMPITWQZSA-N.svg)
(E)-3-(Benzo[d][1,3]dioxol-5-yl)-N-(2-methoxy-2-(5-methylthiophen-2-yl)ethyl)acrylamide
CAS 1706497-92-8C18H19NO4S
![2-(Benzo[d][1,3]dioxol-5-yl)-1-(7-(furan-2-yl)-1,4-thiazepan-4-yl)ethanone chemical structure, C18H19NO4S, CAS 1705931-58-3](/s/QKYHNVPISCUSTO-UHFFFAOYSA-N.svg)
2-(Benzo[d][1,3]dioxol-5-yl)-1-(7-(furan-2-yl)-1,4-thiazepan-4-yl)ethanone
CAS 1705931-58-3C18H19NO4S
![(2,3-Dihydrobenzo[b][1,4]dioxin-5-yl)(7-(furan-2-yl)-1,4-thiazepan-4-yl)methanone chemical structure, C18H19NO4S, CAS 1705989-46-3](/s/JFUQSMYWLCZZGD-UHFFFAOYSA-N.svg)
(2,3-Dihydrobenzo[b][1,4]dioxin-5-yl)(7-(furan-2-yl)-1,4-thiazepan-4-yl)methanone
CAS 1705989-46-3C18H19NO4S
N-(2-(5-(1-Hydroxyethyl)thiophen-2-yl)ethyl)-7-methoxybenzofuran-2-carboxamide
CAS 2034344-90-4C18H19NO4S
(E)-1-(1,1-Dioxido-7-phenyl-1,4-thiazepan-4-yl)-3-(furan-2-yl)prop-2-en-1-one
CAS 2035021-62-4C18H19NO4S
![N-(4-(Thiophen-2-yl)tetrahydro-2H-pyran-4-yl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide chemical structure, C18H19NO4S, CAS 2034332-21-1](/s/UOLXPZYCMHUPEK-UHFFFAOYSA-N.svg)
N-(4-(Thiophen-2-yl)tetrahydro-2H-pyran-4-yl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide
CAS 2034332-21-1C18H19NO4S
![N-(2-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-hydroxyethyl)-2-(methylthio)benzamide chemical structure, C18H19NO4S, CAS 2034261-97-5](/s/ORYVCGGBFWUJEE-UHFFFAOYSA-N.svg)
N-(2-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-hydroxyethyl)-2-(methylthio)benzamide
CAS 2034261-97-5C18H19NO4S
N-(1-(Benzofuran-2-yl)propan-2-yl)-2-methoxybenzenesulfonamide
CAS 2034305-30-9C18H19NO4S
(E)-1-(3-((Furan-2-ylmethyl)sulfonyl)pyrrolidin-1-yl)-3-phenylprop-2-en-1-one
CAS 2097940-26-4C18H19NO4S
![(2,3-Dihydrobenzo[b][1,4]dioxin-5-yl)(4-(thiophen-3-yloxy)piperidin-1-yl)methanone chemical structure, C18H19NO4S, CAS 2034364-93-5](/s/WWHLYCNWHYMCOA-UHFFFAOYSA-N.svg)
(2,3-Dihydrobenzo[b][1,4]dioxin-5-yl)(4-(thiophen-3-yloxy)piperidin-1-yl)methanone
CAS 2034364-93-5C18H19NO4S
N-(2,2-Di(furan-2-yl)ethyl)-2-phenylethane-1-sulfonamide
CAS 2320722-42-5C18H19NO4S
![N-{[4-(Thiophen-3-yl)oxan-4-yl]methyl}-2H-1,3-benzodioxole-5-carboxamide chemical structure, C18H19NO4S, CAS 2319837-54-0](/s/KJXIJCDIODHVOB-UHFFFAOYSA-N.svg)
N-{[4-(Thiophen-3-yl)oxan-4-yl]methyl}-2H-1,3-benzodioxole-5-carboxamide
CAS 2319837-54-0C18H19NO4S
![(3R)-3-{[(Benzyloxy)carbonyl]amino}-4-(phenylsulfanyl)butanoic acid chemical structure, C18H19NO4S, CAS 2350101-71-0](/s/JLUIYUZKJNEQGZ-OAHLLOKOSA-N.svg)
(3R)-3-{[(Benzyloxy)carbonyl]amino}-4-(phenylsulfanyl)butanoic acid
CAS 2350101-71-0C18H19NO4S
Benzeneethanamine, 2-(phenylthio)-, (Z)-2-butenedioate (1:1)
CAS 127876-78-2C18H19NO4S
(3S)-2-(2,5-Dimethylbenzenesulfonyl)-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid
CAS 1212485-84-1C18H19NO4S
- Proline, 3-phenyl-1-(p-tolylsulfonyl)-3005-69-4C18H19NO4S
- 4-[(Propane-1-sulfonyl)amino]phenyl 4-ethenylbenzoate89298-30-6C18H19NO4S
- N-(3-Acetylphenyl)-4-(phenylsulfonyl)butanamide922849-90-9C18H19NO4S
- (E)-N-(2,3-Dihydro-1,4-benzodioxin-3-ylmethyl)-N-methyl-2-phenylethenesulfonamide1198060-62-6C18H19NO4S
- Methyl 3-phenyl-3-(2-phenylethenesulfonamido)propanoate1211969-13-9C18H19NO4S
- N-[3-(Acetylsulfanyl)-2-methylpropanoyl]-N-naphthalen-1-ylglycine88719-70-4C18H19NO4S
- (E)-N-[2-(1,3-Benzodioxol-5-yl)ethyl]-2-(4-methylphenyl)ethenesulfonamide1424658-35-4C18H19NO4S
- Methyl 2-(7-(furan-2-yl)-1,4-thiazepane-4-carbonyl)benzoate1706300-76-6C18H19NO4S
- N-[2-Hydroxy-2-methyl-3-(thiophen-3-yl)propyl]-7-methoxy-1-benzofuran-2-carboxamide2097934-93-3C18H19NO4S
- Benzyl 2-(benzenesulfonyl)pyrrolidine-1-carboxylate2551116-39-1C18H19NO4S
- N-[(4-Hydroxy-4,5,6,7-tetrahydro-1-benzothiophen-4-yl)methyl]-2,3-dihydro-1,4-benzodioxine-5-carboxamide2548982-69-8C18H19NO4S
- 6,7-Dimethoxy-2-(oxirane-2-carbonyl)-1-(thiophen-2-yl)-1,2,3,4-tetrahydroisoquinoline2411257-48-0C18H19NO4S
- 7-Methoxy-1-(phenylsulfonyl)-4-vinyl-1,2,3,4-tetrahydro-4-quinolinol15426-39-8C18H19NO4S
- (2-Methylphenyl)methyl 2-(2-phenylethenesulfonamido)acetate1090997-98-0C18H19NO4S
- Cbz-(S)-benzyl-L-Cys22911-80-4C18H19NO4S
- 2-Methoxy-2-phenyl-N-(2-phenylethenesulfonyl)propanamide1334022-62-6C18H19NO4S
- 4-[4-(5-Acetyl-4-methyl-2-thiazolyl)tetrahydro-2H-pyran-4-yl]benzoic acid1206612-44-3C18H19NO4S
- (E)-3-(Furan-2-yl)-1-(2-((phenylsulfonyl)methyl)pyrrolidin-1-yl)prop-2-en-1-one1448139-65-8C18H19NO4S
- 6-[4-(3-Hydroxypropoxy)phenyl]-6-(3-thienyl)-2,4-piperidinedione1809796-86-8C18H19NO4S
- 6-[4-(2-Methoxyethoxy)phenyl]-6-(3-thienyl)-2,4-piperidinedione1809796-97-1C18H19NO4S
- 2-{[(Benzyloxy)carbonyl]amino}-3-[4-(methylsulfanyl)phenyl]propanoic acid82611-62-9C18H19NO4S
- 1-((2-Ethylphenyl)sulfonyl)-1,2,3,4-tetrahydroquinoline-4-carboxylic acid2261203-41-0C18H19NO4S
- 3-[(2-{[(Benzyloxy)carbonyl]amino}-5-methylphenyl)sulfanyl]propanoic acid2287273-75-8C18H19NO4S
- 3-{[(3-{[(Benzyloxy)carbonyl]amino}phenyl)methyl]sulfanyl}propanoic acid2287273-97-4C18H19NO4S
- 2-{[(Benzyloxy)carbonyl]amino}-6-methyl-4,5,6,7-tetrahydro-1-benzothiophene-3-carboxylic acid2287333-53-1C18H19NO4S
- 2-{[(Benzyloxy)carbonyl]amino}-4H,5H,6H,7H,8H-cyclohepta[b]thiophene-3-carboxylic acid2287310-17-0C18H19NO4S
- Methyl 3-{4-[(2R)-pyrrolidin-2-yl]benzene-1-sulfonyl}benzoate1391417-04-1C18H19NO4S
- 6-Methoxy-3-((3,4,5-trimethoxyphenyl)thio)-1H-indole613679-53-1C18H19NO4S
- Benzyl [4-(benzenesulfinyl)-3-oxobutyl]carbamate62735-61-9C18H19NO4S
- tert-Butyl [2-nitro-5-(phenylsulfanyl)phenyl]acetate89278-19-3C18H19NO4S
- N-(9H-Fluorene-2-sulfonyl)-L-valine32945-11-2C18H19NO4S
- 4-Nitrophenyl 3-(benzylsulfanyl)-3-methylbutanoate7536-40-5C18H19NO4S
- S-(2-Benzoyl-4,5-dimethoxyphenyl) dimethylcarbamothioate1332584-18-5C18H19NO4S
- 3-{[(Benzyloxy)carbonyl]amino}-3-[4-(methylsulfanyl)phenyl]propanoic acid773868-14-7C18H19NO4S
- Methyl 4-{[(4-hydroxy-4,5,6,7-tetrahydro-1-benzothiophen-4-yl)methyl]carbamoyl}benzoate2548999-07-9C18H19NO4S
- 1-[(Benzyloxy)carbonyl]-4-(5-methylthiophen-2-yl)pyrrolidine-3-carboxylic acid2171836-15-8C18H19NO4S
- 1-[(Benzyloxy)carbonyl]-4-(3-methylthiophen-2-yl)pyrrolidine-3-carboxylic acid2171968-65-1C18H19NO4S
- 3-{[(2-{[(Benzyloxy)carbonyl]amino}ethyl)sulfanyl]methyl}benzoic acid2580210-70-2C18H19NO4S
- 3-[(2-{[(Benzyloxy)carbonyl]amino}propyl)sulfanyl]benzoic acid2580219-87-8C18H19NO4S
- 2-{[(Benzyloxy)carbonyl]amino}-4,4-dimethyl-4H,5H,6H-cyclopenta[b]thiophene-3-carboxylic acid2580254-59-5C18H19NO4S
- 1-[(Benzyloxy)carbonyl]-2-[(thiophen-2-yl)methyl]pyrrolidine-2-carboxylic acid2580224-08-2C18H19NO4S
- 2-[(2-{[(tert-Butoxy)carbonyl]amino}phenyl)sulfanyl]benzoic acid1279866-23-7C18H19NO4S
- 5-{[(tert-Butoxy)carbonyl]amino}-2-(phenylsulfanyl)benzoic acid2639445-79-5C18H19NO4S
- Benzyl 3-[2-oxo-2-(thiophen-2-yl)ethyl]morpholine-4-carboxylate2680841-82-9C18H19NO4S
- Benzyl 2-(3-hydroxy-4-methoxyphenyl)-1,3-thiazolidine-3-carboxylate2680664-35-9C18H19NO4S
- 2-(1-Tosyl-1,2,3,4-tetrahydroquinolin-4-yl)acetic acid102586-89-0C18H19NO4S
- 2-(5-Methoxy-1-tosyl-1H-indol-3-yl)ethan-1-ol936252-47-0C18H19NO4S
- Melatonin impurity 3314670-08-7C18H19NO4S
Frequently asked questions
What is the molar mass of C18H19NO4S?
The molar mass of C18H19NO4S is 345.41 g/mol, calculated from standard atomic weights for 18 carbon atoms, 19 hydrogen atoms, 1 nitrogen atom, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 345.1035 Da.
How many compounds have the formula C18H19NO4S?
CompoundList lists 172 compounds with the molecular formula C18H19NO4S, including [2-(Furan-2-yl)-1,3-thiazol-4-yl]methyl 9-oxobicyclo[3.3.1]nonane-3-carboxylate, (E)-N-(1,3-Benzodioxol-5-ylmethyl)-N-ethyl-2-phenylethenesulfonamide, Methyl 4-((2-hydroxy-2-(4-(methylthio)phenyl)ethyl)carbamoyl)benzoate. 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 C18H19NO4S?
C18H19NO4S 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.