Molecular formula
C18H23N3O4S
155 compounds have this formula on CompoundList.
- Molar mass
- 377.46g/mol
- Monoisotopic mass
- 383.1786Da
- Atoms
- 49
- Elements
- 5
- Rings plus double bonds
- 9
The formula C18H23N3O4S describes a molecule made of 18 carbon atoms, 23 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 × 1857.28%12.011 × 18 = 216.198 g/mol
- H Hydrogen × 236.14%1.008 × 23 = 23.184 g/mol
- N Nitrogen × 311.13%14.007 × 3 = 42.021 g/mol
- O Oxygen × 416.95%15.999 × 4 = 63.996 g/mol
- S Sulfur × 18.49%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C18H23N3O4S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 155 compounds
Phentolamine methanesulfonate
CAS 65-28-1C18H23N3O4S
![N-Cyclohexyl-2-{[5-(2,5-dimethoxyphenyl)-1,3,4-oxadiazol-2-yl]sulfanyl}acetamide chemical structure, C18H23N3O4S, CAS 851129-68-5](/s/QERPTWJFLUKITN-UHFFFAOYSA-N.svg)
N-Cyclohexyl-2-{[5-(2,5-dimethoxyphenyl)-1,3,4-oxadiazol-2-yl]sulfanyl}acetamide
CAS 851129-68-5C18H23N3O4S
![(2E)-N-[5-(2-Methylpropyl)-1,3,4-thiadiazol-2-yl]-3-(3,4,5-trimethoxyphenyl)prop-2-enamide chemical structure, C18H23N3O4S, CAS 1164543-72-9](/s/FUCWWFXQYJGRSO-VOTSOKGWSA-N.svg)
(2E)-N-[5-(2-Methylpropyl)-1,3,4-thiadiazol-2-yl]-3-(3,4,5-trimethoxyphenyl)prop-2-enamide
CAS 1164543-72-9C18H23N3O4S
N-(N-(3,4-Dimethoxyphenethyl)carbamimidoyl)-4-methylbenzenesulfonamide
CAS 869075-50-3C18H23N3O4S
(E)-N-(5-tert-Butyl-1,3,4-thiadiazol-2-yl)-3-(3,4,5-trimethoxyphenyl)prop-2-enamide
CAS 1164533-86-1C18H23N3O4S
5-(4-Benzylpiperidin-1-yl)sulfonyl-1,3-dimethylpyrimidine-2,4-dione
CAS 874806-78-7C18H23N3O4S
N-Cyclohexyl-2-((5-(3,4-dimethoxyphenyl)-1,3,4-oxadiazol-2-yl)thio)acetamide
CAS 486398-00-9C18H23N3O4S
Methyl 4-methoxy-3-(3-thiomorpholin-4-ylpropanoylamino)-1H-indole-2-carboxylate
CAS 845649-97-0C18H23N3O4S
![N-{[(Cyclobutylmethyl)(tetrahydro-2-furanylmethyl)amino]carbonothioyl}-3-nitrobenzamide chemical structure, C18H23N3O4S, CAS 671794-17-5](/s/LNAUEMNSCSWIKP-UHFFFAOYSA-N.svg)
N-{[(Cyclobutylmethyl)(tetrahydro-2-furanylmethyl)amino]carbonothioyl}-3-nitrobenzamide
CAS 671794-17-5C18H23N3O4S
![N-(2-(tert-Butyl)-5,5-dioxido-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-2-(4-methoxyphenyl)acetamide chemical structure, C18H23N3O4S, CAS 449784-65-0](/s/FEAAEOIOKRYFFP-UHFFFAOYSA-N.svg)
N-(2-(tert-Butyl)-5,5-dioxido-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-2-(4-methoxyphenyl)acetamide
CAS 449784-65-0C18H23N3O4S
3-Ethyl-5-methyl-N-(4-piperidin-1-ylsulfonylphenyl)-1,2-oxazole-4-carboxamide
CAS 898135-32-5C18H23N3O4S
![N-(2-tert-Butyl-5,5-dioxo-4,6-dihydrothieno[3,4-c]pyrazol-3-yl)-2-(3-methylphenoxy)acetamide chemical structure, C18H23N3O4S, CAS 893924-26-0](/s/IQVUQCRJTVTDIW-UHFFFAOYSA-N.svg)
N-(2-tert-Butyl-5,5-dioxo-4,6-dihydrothieno[3,4-c]pyrazol-3-yl)-2-(3-methylphenoxy)acetamide
CAS 893924-26-0C18H23N3O4S
![N-(2-tert-Butyl-5,5-dioxo-4,6-dihydrothieno[3,4-c]pyrazol-3-yl)-2-(2-methylphenoxy)acetamide chemical structure, C18H23N3O4S, CAS 893924-18-0](/s/PUKOIHRYDDPGDL-UHFFFAOYSA-N.svg)
N-(2-tert-Butyl-5,5-dioxo-4,6-dihydrothieno[3,4-c]pyrazol-3-yl)-2-(2-methylphenoxy)acetamide
CAS 893924-18-0C18H23N3O4S
![N-(2-tert-Butyl-5,5-dioxo-4,6-dihydrothieno[3,4-c]pyrazol-3-yl)-2-(4-methylphenoxy)acetamide chemical structure, C18H23N3O4S, CAS 893924-34-0](/s/LZLFBTXPLPFXEM-UHFFFAOYSA-N.svg)
N-(2-tert-Butyl-5,5-dioxo-4,6-dihydrothieno[3,4-c]pyrazol-3-yl)-2-(4-methylphenoxy)acetamide
CAS 893924-34-0C18H23N3O4S
N-(3,4-Dimethoxyphenethyl)-2-((4,5-dimethyl-6-oxo-1,6-dihydropyrimidin-2-yl)thio)acetamide
CAS 899948-75-5C18H23N3O4S
2-((5-(3,5-Dimethoxyphenyl)-1,3,4-oxadiazol-2-yl)thio)-1-(4-methylpiperidin-1-yl)ethanone
CAS 460732-84-7C18H23N3O4S
![1-(Bicyclo[2.2.1]hept-5-en-2-ylmethyl)-4-[(2-nitrophenyl)sulfonyl]piperazine chemical structure, C18H23N3O4S, CAS 473802-24-3](/s/ITGRDWINOVHPEM-UHFFFAOYSA-N.svg)
1-(Bicyclo[2.2.1]hept-5-en-2-ylmethyl)-4-[(2-nitrophenyl)sulfonyl]piperazine
CAS 473802-24-3C18H23N3O4S
Ethyl 4-(4-((4-(furan-2-yl)thiazol-2-yl)methyl)piperazin-1-yl)-4-oxobutanoate
CAS 1105198-91-1C18H23N3O4S
![N-(2-tert-Butyl-5-oxo-4,6-dihydrothieno[3,4-c]pyrazol-3-yl)-2,4-dimethoxybenzamide chemical structure, C18H23N3O4S, CAS 958587-37-6](/s/HAYBDGRGVKALTG-UHFFFAOYSA-N.svg)
N-(2-tert-Butyl-5-oxo-4,6-dihydrothieno[3,4-c]pyrazol-3-yl)-2,4-dimethoxybenzamide
CAS 958587-37-6C18H23N3O4S
![N-(2-tert-Butyl-5-oxo-4,6-dihydrothieno[3,4-c]pyrazol-3-yl)-3,5-dimethoxybenzamide chemical structure, C18H23N3O4S, CAS 1008453-32-4](/s/LIGHKPRYUYPXNX-UHFFFAOYSA-N.svg)
N-(2-tert-Butyl-5-oxo-4,6-dihydrothieno[3,4-c]pyrazol-3-yl)-3,5-dimethoxybenzamide
CAS 1008453-32-4C18H23N3O4S
![N-(2-tert-Butyl-5-oxo-4,6-dihydrothieno[3,4-c]pyrazol-3-yl)-3,4-dimethoxybenzamide chemical structure, C18H23N3O4S, CAS 1008930-32-2](/s/BQCPRJAFOSBEJC-UHFFFAOYSA-N.svg)
N-(2-tert-Butyl-5-oxo-4,6-dihydrothieno[3,4-c]pyrazol-3-yl)-3,4-dimethoxybenzamide
CAS 1008930-32-2C18H23N3O4S
![N-(2-(tert-Butyl)-5,5-dioxido-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-2-phenoxypropanamide chemical structure, C18H23N3O4S, CAS 449784-79-6](/s/PATIZEPFOLXPCO-UHFFFAOYSA-N.svg)
N-(2-(tert-Butyl)-5,5-dioxido-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-2-phenoxypropanamide
CAS 449784-79-6C18H23N3O4S
![Ethyl 2-({[(2Z)-3-ethyl-2-(ethylimino)-4-oxo-1,3-thiazolidin-5-yl]acetyl}amino)benzoate chemical structure, C18H23N3O4S, CAS 469876-41-3](/s/YBUYHRRKRQILKP-UHFFFAOYSA-N.svg)
Ethyl 2-({[(2Z)-3-ethyl-2-(ethylimino)-4-oxo-1,3-thiazolidin-5-yl]acetyl}amino)benzoate
CAS 469876-41-3C18H23N3O4S
![N-[4-(2-Ethylpiperidin-1-yl)sulfonylphenyl]-5-methyl-1,2-oxazole-3-carboxamide chemical structure, C18H23N3O4S, CAS 886627-11-8](/s/LIXIQYPVNKFOPX-UHFFFAOYSA-N.svg)
N-[4-(2-Ethylpiperidin-1-yl)sulfonylphenyl]-5-methyl-1,2-oxazole-3-carboxamide
CAS 886627-11-8C18H23N3O4S
- N-(2-{[4-(3-Methylphenyl)piperazin-1-yl]sulfonyl}ethyl)furan-2-carboxamide946203-42-5C18H23N3O4S
- 4-Acetyl-3-Ethyl-5-Methyl-N-[2-Methyl-5-(Methylsulfamoyl)phenyl]-1H-Pyrrole-2-Carboxamide1423233-05-9C18H23N3O4S
- Methyl 3-(3-(isopentylamino)-3-oxopropyl)-4-oxo-2-thioxo-1,2,3,4-tetrahydroquinazoline-7-carboxylate946330-05-8C18H23N3O4S
- (3-(5-Methyl-1,3,4-thiadiazol-2-yl)piperidin-1-yl)(3,4,5-trimethoxyphenyl)methanone1105202-01-4C18H23N3O4S
- 2-{[5-(3,4-Dimethoxyphenyl)-1,3,4-oxadiazol-2-yl]sulfanyl}-1-(4-methylpiperidin-1-yl)ethan-1-one486398-19-0C18H23N3O4S
- Ethyl 3-[2-(cyclohexylamino)-2-oxoethyl]-5-methyl-4-oxo-3,4-dihydrothieno[2,3-d]pyrimidine-6-carboxylate634162-78-0C18H23N3O4S
- Benzamide, 4-(aminosulfonyl)-N-((4-(2-(dimethylamino)ethoxy)phenyl)methyl)-122892-37-9C18H23N3O4S
- N-(5-Cyclohexyl-1,3,4-thiadiazol-2-yl)-3,4,5-trimethoxybenzamide626207-29-2C18H23N3O4S
- N-(3-Methylbutyl)-4-(8-oxo-6-sulfanylidene-5H-[1,3]dioxolo[4,5-g]quinazolin-7-yl)butanamide688054-17-3C18H23N3O4S
- N-Cyclohexyl-2-{[5-(3,5-dimethoxyphenyl)-1,3,4-oxadiazol-2-yl]sulfanyl}acetamide460728-13-6C18H23N3O4S
- 2-[4-(2-Methylpropylsulfamoyl)phenoxy]-N-(pyridin-2-ylmethyl)acetamide700851-56-5C18H23N3O4S
- 2-[[5-(3,4-Dimethoxyphenyl)-1,3,4-oxadiazol-2-yl]sulfanyl]-1-(2-methylpiperidin-1-yl)ethanone486398-12-3C18H23N3O4S
- 2-((5-(3,5-Dimethoxyphenyl)-1,3,4-oxadiazol-2-yl)thio)-1-(3-methylpiperidin-1-yl)ethanone460728-26-1C18H23N3O4S
- N-Isopropyl-6-(8-oxo-6-thioxo-5,6-dihydro-[1,3]dioxolo[4,5-g]quinazolin-7(8H)-yl)hexanamide688053-42-1C18H23N3O4S
- 4-((3,5-Dimethylpiperidin-1-yl)sulfonyl)-N-(5-methylisoxazol-3-yl)benzamide392323-85-2C18H23N3O4S
- N-(2-tert-Butyl-5,5-dioxo-4,6-dihydrothieno[3,4-c]pyrazol-3-yl)-4-ethoxybenzamide449784-03-6C18H23N3O4S
- (E)-Ethyl 4-(2-cyano-2-((3,4-dimethylphenyl)sulfonyl)vinyl)piperazine-1-carboxylate885186-14-1C18H23N3O4S
- Benzylpenicillinic acid ethoxyamide22688-46-6C18H23N3O4S
- Methyl 4-({4-[(2-methyl-1H-imidazol-1-yl)methyl]piperidin-1-yl}sulfonyl)benzoate1421457-81-9C18H23N3O4S
- 2,5-Dimethyl-N-((1-(pyridin-3-ylsulfonyl)piperidin-4-yl)methyl)furan-3-carboxamide1428362-95-1C18H23N3O4S
- Ethyl 4-methyl-2-({[4-(1H-pyrrol-1-yl)tetrahydro-2H-pyran-4-yl]acetyl}amino)-1,3-thiazole-5-carboxylate1630904-09-4C18H23N3O4S
- 1-(tert-Butyl)-3-methyl-4-((2-nitrophenyl)thio)-1H-pyrazol-5-yl butyrate851127-40-7C18H23N3O4S
- 1-(5-Bicyclo[2.2.1]hept-2-enylmethyl)-4-(4-nitrophenyl)sulfonylpiperazine1005095-19-1C18H23N3O4S
- 2-[N-(Dimethylsulfamoyl)anilino]-N-[(2-methoxyphenyl)methyl]acetamide833436-73-0C18H23N3O4S
- N-(6-Ethoxy-1,3-benzothiazol-2-yl)-1-(1-methoxypropan-2-yl)-5-oxopyrrolidine-3-carboxamide931371-51-6C18H23N3O4S
- N-(2-(4-Methoxyphenyl)-5,5-dioxido-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-3,3-dimethylbutanamide893937-38-7C18H23N3O4S
- N-Cyclopropyl-2-(2-((3,5-dimethoxybenzyl)thio)-5-(hydroxymethyl)-1H-imidazol-1-yl)acetamide921795-73-5C18H23N3O4S
- N-(4-{[(2,4-Dimethoxyphenyl)carbamoyl]methyl}-1,3-thiazol-2-yl)-2,2-dimethylpropanamide921547-05-9C18H23N3O4S
- 2-[Acetyl(isopropyl)amino]-N-(2,4-dimethoxyphenyl)-4-methyl-1,3-thiazole-5-carboxamide1219540-01-8C18H23N3O4S
- Methyl 1-(2-methylbenzyl)-3-(piperidin-1-ylsulfonyl)-1H-pyrazole-4-carboxylate1251703-46-4C18H23N3O4S
- {6-[4-(Methanesulfonylamino-methyl)-phenyl]-pyridin-2-yl}carbamic acid tert-butyl ester936727-88-7C18H23N3O4S
- 3-(3-(3-(Isobutylsulfonyl)azetidin-1-yl)-3-oxopropyl)quinazolin-4(3H)-one1798035-31-0C18H23N3O4S
- 2-Phenoxy-N-[(1r,4r)-4-(pyrazin-2-yloxy)cyclohexyl]ethane-1-sulfonamide2034397-63-0C18H23N3O4S
- 3-Methyl-6-((1-((2-phenoxyethyl)sulfonyl)piperidin-3-yl)oxy)pyridazine2034473-07-7C18H23N3O4S
- 4-((3-(Benzo[d][1,3]dioxol-5-yl)pyrrolidin-1-yl)sulfonyl)-2-isopropyl-1-methyl-1H-imidazole2034488-33-8C18H23N3O4S
- Propan-2-yl 2-[1-(2-morpholin-4-yl-2-oxoethyl)benzimidazol-2-yl]sulfanylacetate606110-77-4C18H23N3O4S
- N1-(2,5-dimethoxyphenyl)-N2-(2-(dimethylamino)-2-(thiophen-2-yl)ethyl)oxalamide941932-33-8C18H23N3O4S
- N1-(2,4-dimethoxyphenyl)-N2-(2-(dimethylamino)-2-(thiophen-2-yl)ethyl)oxalamide942011-99-6C18H23N3O4S
- N1-(3,4-dimethoxyphenyl)-N2-(2-(dimethylamino)-2-(thiophen-2-yl)ethyl)oxalamide941932-44-1C18H23N3O4S
- Methyl 1-(4-methylbenzyl)-3-(piperidin-1-ylsulfonyl)-1H-pyrazole-4-carboxylate1251601-99-6C18H23N3O4S
- 2-(Cyclopentylthio)-N-((3-((4-methoxyphenoxy)methyl)-1,2,4-oxadiazol-5-yl)methyl)acetamide1226455-36-2C18H23N3O4S
- N-(2-Ethoxyquinolin-8-yl)-1-(methylsulfonyl)piperidine-4-carboxamide1251640-88-6C18H23N3O4S
- N-(Furan-2-ylmethyl)-1-(methylsulfonyl)-N-(pyridin-2-ylmethyl)piperidine-4-carboxamide1286727-77-2C18H23N3O4S
- 2-((4-Methoxybenzo[d]thiazol-2-yl)(methyl)amino)-1-(1,4-dioxa-8-azaspiro[4.5]decan-8-yl)ethanone1351634-76-8C18H23N3O4S
- N-(1,1-Dioxidotetrahydrothiophen-3-yl)-2-[3-(2-methylpropyl)-4-oxo-3,4-dihydrophthalazin-1-yl]acetamide1435986-34-7C18H23N3O4S
- 1-(4-((1-Methyl-1H-imidazol-2-yl)sulfonyl)piperidin-1-yl)-2-(o-tolyloxy)ethanone2034522-73-9C18H23N3O4S
- Acridinium, 3,6-diamino-10-pentyl-, sulfate101952-43-6C18H23N3O4S
- 6-(6-Morpholin-4-yl-4-oxo-2-sulfanylidene-1H-quinazolin-3-yl)hexanoic acid689767-23-5C18H23N3O4S
- N1-(2,5-dimethoxyphenyl)-N2-(2-(dimethylamino)-2-(thiophen-3-yl)ethyl)oxalamide946328-26-3C18H23N3O4S
- N1-(3,4-dimethoxyphenyl)-N2-(2-(dimethylamino)-2-(thiophen-3-yl)ethyl)oxalamide946328-54-7C18H23N3O4S
- N-[4-({4-[(5-Methyl-2-furyl)methyl]piperazinyl}sulfonyl)phenyl]acetamide886631-35-2C18H23N3O4S
- N-Methyl-2-((1-(2-oxo-2-(piperidin-1-yl)ethyl)-1H-indol-3-yl)sulfonyl)acetamide878058-40-3C18H23N3O4S
- 2-((1-(2-(Azepan-1-yl)-2-oxoethyl)-1H-indol-3-yl)sulfonyl)acetamide878058-67-4C18H23N3O4S
- 2-((1-(2-(4-Methylpiperidin-1-yl)-2-oxoethyl)-1H-indol-3-yl)sulfonyl)acetamide878059-07-5C18H23N3O4S
- N-(Furan-2-ylmethyl)-2-((1-(3-hydroxypropyl)-2-oxo-1,2,5,6,7,8-hexahydroquinazolin-4-yl)thio)acetamide899974-01-7C18H23N3O4S
- 1-{[1-(3-Methoxybenzoyl)-3,5-dimethyl-1H-pyrazol-4-yl]sulfonyl}piperidine1020453-86-4C18H23N3O4S
- N-(5-Cyclohexyl-1,3,4-oxadiazol-2-yl)-4-(phenylsulfonyl)butanamide922106-01-2C18H23N3O4S
- 4-(N-Cyclohexyl-N-methylsulfamoyl)-N-(3-methylisoxazol-5-yl)benzamide1021224-36-1C18H23N3O4S
- Methyl 2-((5-((4-(tert-butyl)benzamido)methyl)-1,3,4-oxadiazol-2-yl)thio)propanoate921065-22-7C18H23N3O4S
- 4-[[[[2-(4-Methoxyphenyl)ethyl]amino]carbonyl]amino]-N,N-dimethylbenzenesulfonamide1211024-45-1C18H23N3O4S
- N-(5-Acetyl-pyridin-2-yl)-4-(3-dimethylamino-propoxy)-benzenesulfonamide940943-40-8C18H23N3O4S
- 4-[1-(4-Methylbenzenesulfonyl)piperidine-4-carbonyl]morpholine-3-carbonitrile1384565-93-8C18H23N3O4S
- Ethyl 4-oxo-4-(3-((3-(thiophen-3-yl)-1,2,4-oxadiazol-5-yl)methyl)piperidin-1-yl)butanoate1795303-24-0C18H23N3O4S
- 2-Methyl-1-oxo-1-(3-((3-(thiophen-3-yl)-1,2,4-oxadiazol-5-yl)methyl)piperidin-1-yl)propan-2-yl acetate1795088-91-3C18H23N3O4S
- N-(2-(Benzofuran-2-yl)-2-hydroxypropyl)-2-isopropyl-1-methyl-1H-imidazole-4-sulfonamide2034601-14-2C18H23N3O4S
- 2-((1-((4-Methoxy-3-methylphenyl)sulfonyl)pyrrolidin-3-yl)oxy)-4,6-dimethylpyrimidine2034435-20-4C18H23N3O4S
- N1-(4-(dimethylamino)phenyl)-N2-(2-(2-hydroxyethoxy)-2-(thiophen-2-yl)ethyl)oxalamide2034565-55-2C18H23N3O4S
- 4,6-Dimethyl-2-((1-((2-phenoxyethyl)sulfonyl)pyrrolidin-3-yl)oxy)pyrimidine2034317-74-1C18H23N3O4S
- 1-(3,4-Dihydro-2H-1,5-benzodioxepine-7-sulfonyl)-3-(1-methyl-1H-pyrazol-3-yl)piperidine2180010-28-8C18H23N3O4S
- N-(1-Cyanocyclopentyl)-4-[(3-hydroxypiperidin-1-yl)sulfonyl]benzamide2094211-07-9C18H23N3O4S
- N-(1-Cyanocyclopentyl)-3-[(3-hydroxypiperidin-1-yl)sulfonyl]benzamide2094432-43-4C18H23N3O4S
- N1-(4-(dimethylamino)phenyl)-N2-(2-(2-hydroxyethoxy)-2-(thiophen-3-yl)ethyl)oxalamide2034366-90-8C18H23N3O4S
- 4-((1-((4-Methoxy-3-methylphenyl)sulfonyl)piperidin-3-yl)oxy)-2-methylpyrimidine2034619-39-9C18H23N3O4S
- N-(2-(3-Cyclopropyl-6-oxopyridazin-1(6H)-yl)ethyl)-4-ethoxy-3-methylbenzenesulfonamide2034423-82-8C18H23N3O4S
- 4-Methoxy-2,5-dimethyl-N-(2-(3-oxo-3,5,6,7-tetrahydro-2H-cyclopenta[c]pyridazin-2-yl)ethyl)benzenesulfonamide2034297-57-7C18H23N3O4S
- Thenyldiamine maleate10103-24-9C18H23N3O4S
Frequently asked questions
What is the molar mass of C18H23N3O4S?
The molar mass of C18H23N3O4S is 377.46 g/mol, calculated from standard atomic weights for 18 carbon atoms, 23 hydrogen atoms, 3 nitrogen atoms, 4 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 383.1786 Da.
How many compounds have the formula C18H23N3O4S?
CompoundList lists 155 compounds with the molecular formula C18H23N3O4S, including Phentolamine methanesulfonate, N-Cyclohexyl-2-{[5-(2,5-dimethoxyphenyl)-1,3,4-oxadiazol-2-yl]sulfanyl}acetamide, (2E)-N-[5-(2-Methylpropyl)-1,3,4-thiadiazol-2-yl]-3-(3,4,5-trimethoxyphenyl)prop-2-enamide. 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 C18H23N3O4S?
C18H23N3O4S has a degree of unsaturation of 9. 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.