Molecular formula
C21H18ClN3O3S
57 compounds have this formula on CompoundList.
- Molar mass
- 427.90g/mol
- Monoisotopic mass
- 427.0757Da
- Atoms
- 47
- Elements
- 6
- Rings plus double bonds
- 14
The formula C21H18ClN3O3S describes a molecule made of 21 carbon atoms, 18 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms, 3 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 × 2158.95%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 184.24%1.008 × 18 = 18.144 g/mol
- Cl Chlorine × 18.28%35.45 × 1 = 35.450 g/mol
- N Nitrogen × 39.82%14.007 × 3 = 42.021 g/mol
- O Oxygen × 311.22%15.999 × 3 = 47.997 g/mol
- S Sulfur × 17.49%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C21H18ClN3O3S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 57 of 57 compounds
4-(5-(2-Chloro-8-methylquinolin-3-yl)-3-(thiophen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)-4-oxobutanoic acid
CAS 361480-28-6C21H18ClN3O3S
Methanesulfonanilide, 4'-((3-chloro-9-acridinyl)amino)-3'-methoxy-
CAS 58658-30-3C21H18ClN3O3S
3-(1-(Benzenesulfonyl)-2,3-dihydro-1H-indol-6-yl)-1-(4-chlorophenyl)urea
CAS 1019192-26-7C21H18ClN3O3S
![Methyl 2-[({5-chloro-2-[(2-methylbenzyl)thio]pyrimidin-4-yl}carbonyl)amino]benzoate chemical structure, C21H18ClN3O3S, CAS 874208-52-3](/s/QMRGVZXUMKHEJP-UHFFFAOYSA-N.svg)
Methyl 2-[({5-chloro-2-[(2-methylbenzyl)thio]pyrimidin-4-yl}carbonyl)amino]benzoate
CAS 874208-52-3C21H18ClN3O3S
Methanesulfonanilide, 4'-((4-chloro-9-acridinyl)amino)-3'-methoxy-
CAS 79453-50-2C21H18ClN3O3S
![Ethyl 2-((3-(4-chlorophenyl)-4-oxo-4,5-dihydro-3H-pyrimido[5,4-b]indol-2-yl)thio)propanoate chemical structure, C21H18ClN3O3S, CAS 536715-47-6](/s/WCPOBVBFCQPZKH-UHFFFAOYSA-N.svg)
Ethyl 2-((3-(4-chlorophenyl)-4-oxo-4,5-dihydro-3H-pyrimido[5,4-b]indol-2-yl)thio)propanoate
CAS 536715-47-6C21H18ClN3O3S
1-(3-Chlorophenyl)-3-(4-(indolin-1-ylsulfonyl)phenyl)urea
CAS 712318-57-5C21H18ClN3O3S
![N'-{1-[(4-Chlorophenyl)methyl]-6-oxo-1,6-dihydropyridine-3-carbonyl}-2-(methylsulfanyl)benzohydrazide chemical structure, C21H18ClN3O3S, CAS 1040666-19-0](/s/DTYVTUWDLWALJV-UHFFFAOYSA-N.svg)
N'-{1-[(4-Chlorophenyl)methyl]-6-oxo-1,6-dihydropyridine-3-carbonyl}-2-(methylsulfanyl)benzohydrazide
CAS 1040666-19-0C21H18ClN3O3S
N-(3-Acetylphenyl)-2-(2-((3-chlorobenzyl)thio)-6-oxo-1,6-dihydropyrimidin-4-yl)acetamide
CAS 1105239-32-4C21H18ClN3O3S
![(E)-3-(Benzo[d][1,3]dioxol-5-yl)-N-(2-((5-(4-chlorophenyl)-1H-imidazol-2-yl)thio)ethyl)acrylamide chemical structure, C21H18ClN3O3S, CAS 897456-56-3](/s/VORIKNOEPKVBHI-KRXBUXKQSA-N.svg)
(E)-3-(Benzo[d][1,3]dioxol-5-yl)-N-(2-((5-(4-chlorophenyl)-1H-imidazol-2-yl)thio)ethyl)acrylamide
CAS 897456-56-3C21H18ClN3O3S
2-(4-Chlorophenyl)-4-hydroxy-1-(3-imidazol-1-ylpropyl)-3-(thiophene-2-carbonyl)-2H-pyrrol-5-one
CAS 380555-61-3C21H18ClN3O3S
![(Z)-3-(Benzo[d][1,3]dioxol-5-yl)-1-(4-(4-chlorobenzo[d]thiazol-2-yl)piperazin-1-yl)prop-2-en-1-one chemical structure, C21H18ClN3O3S, CAS 1173303-43-9](/s/NLBJBWPXDQDTPB-ALCCZGGFSA-N.svg)
(Z)-3-(Benzo[d][1,3]dioxol-5-yl)-1-(4-(4-chlorobenzo[d]thiazol-2-yl)piperazin-1-yl)prop-2-en-1-one
CAS 1173303-43-9C21H18ClN3O3S
![N-(4-Chlorophenyl)-N'-[4-(2,3-dihydro-1H-indol-1-ylsulfonyl)phenyl]urea chemical structure, C21H18ClN3O3S, CAS 314765-87-2](/s/DLVMPUBZBIEDLJ-UHFFFAOYSA-N.svg)
N-(4-Chlorophenyl)-N'-[4-(2,3-dihydro-1H-indol-1-ylsulfonyl)phenyl]urea
CAS 314765-87-2C21H18ClN3O3S
(4-(3-Chlorophenyl)piperazin-1-yl)(5-(4-nitrophenyl)furan-2-yl)methanethione
CAS 327074-74-8C21H18ClN3O3S
(Z)-2-(5-(2-Chlorobenzyl)-3-(3-methoxyphenyl)-4-oxothiazolidin-2-ylidene)-2-cyano-N-methylacetamide
CAS 579441-80-8C21H18ClN3O3S
(E)-2-(3-(2-Chlorophenyl)-5-(4-methoxybenzyl)-4-oxothiazolidin-2-ylidene)-2-cyano-N-methylacetamide
CAS 1049035-64-4C21H18ClN3O3S
(Z)-2-(5-(3-Chloro-4-methylbenzyl)-3-(3-methoxyphenyl)-4-oxothiazolidin-2-ylidene)-2-cyanoacetamide
CAS 577961-42-3C21H18ClN3O3S
![5-Amino-1-(3-chlorophenyl)-4-[4-(3,4-dimethoxyphenyl)-1,3-thiazol-2-yl]-1,2-dihydro-3H-pyrrol-3-one chemical structure, C21H18ClN3O3S, CAS 380446-30-0](/s/HQKHPVIKKVHEHN-UHFFFAOYSA-N.svg)
5-Amino-1-(3-chlorophenyl)-4-[4-(3,4-dimethoxyphenyl)-1,3-thiazol-2-yl]-1,2-dihydro-3H-pyrrol-3-one
CAS 380446-30-0C21H18ClN3O3S
![N-(2-Chlorophenyl)-2-((3-isopropyl-4-oxo-3,4-dihydrobenzofuro[3,2-d]pyrimidin-2-yl)thio)acetamide chemical structure, C21H18ClN3O3S, CAS 866873-91-8](/s/MDMDZIRKNKMJSQ-UHFFFAOYSA-N.svg)
N-(2-Chlorophenyl)-2-((3-isopropyl-4-oxo-3,4-dihydrobenzofuro[3,2-d]pyrimidin-2-yl)thio)acetamide
CAS 866873-91-8C21H18ClN3O3S
![N-(3-Chlorophenyl)-2-[(4-oxo-3-propan-2-yl-[1]benzofuro[3,2-d]pyrimidin-2-yl)sulfanyl]acetamide chemical structure, C21H18ClN3O3S, CAS 866873-92-9](/s/UVQKGDPSORCTGR-UHFFFAOYSA-N.svg)
N-(3-Chlorophenyl)-2-[(4-oxo-3-propan-2-yl-[1]benzofuro[3,2-d]pyrimidin-2-yl)sulfanyl]acetamide
CAS 866873-92-9C21H18ClN3O3S
![2-((2-(4-Chlorophenyl)-2-oxoethyl)thio)-3-(2-methoxyethyl)-3H-pyrimido[5,4-b]indol-4(5H)-one chemical structure, C21H18ClN3O3S, CAS 887217-40-5](/s/KLUYEYMAGYZKKI-UHFFFAOYSA-N.svg)
2-((2-(4-Chlorophenyl)-2-oxoethyl)thio)-3-(2-methoxyethyl)-3H-pyrimido[5,4-b]indol-4(5H)-one
CAS 887217-40-5C21H18ClN3O3S
![5-(2-Chlorobenzyl)-7-(3,4-dimethoxyphenyl)-2-methylthiazolo[4,5-d]pyridazin-4(5H)-one chemical structure, C21H18ClN3O3S, CAS 941949-93-5](/s/WUUSXVNTIGYWJU-UHFFFAOYSA-N.svg)
5-(2-Chlorobenzyl)-7-(3,4-dimethoxyphenyl)-2-methylthiazolo[4,5-d]pyridazin-4(5H)-one
CAS 941949-93-5C21H18ClN3O3S
![N-(3-Chlorophenyl)-2-[(4-oxo-3-propyl-3,4-dihydro[1]benzofuro[3,2-d]pyrimidin-2-yl)sulfanyl]acetamide chemical structure, C21H18ClN3O3S, CAS 899755-72-7](/s/JTFYDRIZOJSJNY-UHFFFAOYSA-N.svg)
N-(3-Chlorophenyl)-2-[(4-oxo-3-propyl-3,4-dihydro[1]benzofuro[3,2-d]pyrimidin-2-yl)sulfanyl]acetamide
CAS 899755-72-7C21H18ClN3O3S
![N-(3-Chloro-4-methylphenyl)-2-[(3-ethyl-4-oxo-3,4-dihydro[1]benzofuro[3,2-d]pyrimidin-2-yl)sulfanyl]acetamide chemical structure, C21H18ClN3O3S, CAS 923113-35-3](/s/MCXVNAUQRZGHAX-UHFFFAOYSA-N.svg)
N-(3-Chloro-4-methylphenyl)-2-[(3-ethyl-4-oxo-3,4-dihydro[1]benzofuro[3,2-d]pyrimidin-2-yl)sulfanyl]acetamide
CAS 923113-35-3C21H18ClN3O3S
- N-(3-Chloro-4-methylphenyl)-4-(1,1-dioxido-3,4-dihydro-2H-1,2,4-benzothiadiazin-3-yl)benzamide1021253-32-6C21H18ClN3O3S
- N-[2-Chloro-4-[(4-ethylbenzoyl)carbamothioylamino]phenyl]furan-2-carboxamide838849-55-1C21H18ClN3O3S
- (Z)-3-(4-Chloro-2,5-dimethoxyanilino)-2-[4-(4-methoxyphenyl)-1,3-thiazol-2-yl]prop-2-enenitrile5813-59-2C21H18ClN3O3S
- 1-(4-Chlorophenyl)-N-[4-(4-methoxyphenyl)-1,3-thiazol-2-yl]-5-oxopyrrolidine-3-carboxamide838815-68-2C21H18ClN3O3S
- (E)-3-((5-Chloro-2-methoxyphenyl)amino)-2-(4-(3,4-dimethoxyphenyl)thiazol-2-yl)acrylonitrile374611-79-7C21H18ClN3O3S
- Methyl 4-[({5-chloro-2-[(4-methylbenzyl)thio]pyrimidin-4-yl}carbonyl)amino]benzoate874191-44-3C21H18ClN3O3S
- Methyl 4-[({5-chloro-2-[(2-methylbenzyl)thio]pyrimidin-4-yl}carbonyl)amino]benzoate874208-41-0C21H18ClN3O3S
- 3-(6-Chloro-1,1-dioxido-2-(piperidine-1-carbonyl)-4H-benzo[b][1,4]thiazin-4-yl)benzonitrile1251624-65-3C21H18ClN3O3S
- (5Z)-2-(3-Chlorophenyl)-5-(3,4-diethoxybenzylidene)[1,3]thiazolo[3,2-b][1,2,4]triazol-6(5H)-one618853-86-4C21H18ClN3O3S
- 4-Chloro-3-methoxy-N-(3-{8-methylimidazo[1,2-a]pyridin-2-yl}phenyl)benzene-1-sulfonamide728017-17-2C21H18ClN3O3S
- N-(1,3-Benzodioxol-5-ylmethyl)-5-chloro-2-[(4-methylbenzyl)sulfanyl]pyrimidine-4-carboxamide874138-60-0C21H18ClN3O3S
- 5-Chloro-N-(4-{imidazo[1,2-a]pyridin-2-yl}phenyl)-2-methoxy-4-methylbenzene-1-sulfonamide873587-58-7C21H18ClN3O3S
- N-(2-Chloro-4-methylphenyl)-2-({5-ethyl-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)acetamide899962-29-9C21H18ClN3O3S
- 5-(4-Chlorobenzyl)-7-(3,4-dimethoxyphenyl)-2-methylthiazolo[4,5-d]pyridazin-4(5H)-one942004-09-3C21H18ClN3O3S
- 5-(3-Chlorobenzyl)-7-(3,4-dimethoxyphenyl)-2-methylthiazolo[4,5-d]pyridazin-4(5H)-one941898-27-7C21H18ClN3O3S
- N-(5-Chloro-2-methoxyphenyl)-6-(4-methoxyphenyl)-3-methylimidazo[2,1-b][1,3]thiazole-2-carboxamide1005302-70-4C21H18ClN3O3S
- 4-Chloro-N-(2-(indolin-1-yl)-2-(thiophen-2-yl)ethyl)-3-nitrobenzamide898407-36-8C21H18ClN3O3S
- 2-Chloro-N-(2-(indolin-1-yl)-2-(thiophen-2-yl)ethyl)-4-nitrobenzamide898407-39-1C21H18ClN3O3S
- N-(2-Chlorophenyl)-2-((4-oxo-3-propyl-3,4-dihydrobenzofuro[3,2-d]pyrimidin-2-yl)thio)acetamide900003-68-1C21H18ClN3O3S
- N-(4-Chlorophenyl)-2-((4-oxo-3-propyl-3,4-dihydrobenzofuro[3,2-d]pyrimidin-2-yl)thio)acetamide899961-43-4C21H18ClN3O3S
- N-((6-(4-Chlorophenyl)-2,3-dihydroimidazo[2,1-b]thiazol-5-yl)methyl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide946353-74-8C21H18ClN3O3S
- 1-(2-Chlorophenyl)-4-[4-(3,4-dimethoxyphenyl)-1,3-thiazol-2-yl]-5-imino-2,5-dihydro-1H-pyrrol-3-ol929865-59-8C21H18ClN3O3S
- 4-Chloro-N-(1,5-dimethyl-3-oxo-2-phenyl-2,3-dihydro-1H-pyrazol-4-yl)naphthalene-1-sulfonamide2871245-22-4C21H18ClN3O3S
- Ethyl 4-({[2-(benzylsulfanyl)-5-chloropyrimidin-4-yl]carbonyl}amino)benzoate832685-25-3C21H18ClN3O3S
- Methyl 2-[({5-chloro-2-[(3-methylbenzyl)sulfanyl]pyrimidin-4-yl}carbonyl)amino]benzoate885726-76-1C21H18ClN3O3S
- Methyl 4-[({5-chloro-2-[(3-methylbenzyl)sulfanyl]pyrimidin-4-yl}carbonyl)amino]benzoate885728-12-1C21H18ClN3O3S
- (E)-3-((4-Chlorophenyl)sulfonyl)-N-(4-(phenyldiazenyl)phenyl)propanamide895465-62-0C21H18ClN3O3S
- 2-[6-(4-Chlorophenyl)imidazo[2,1-b][1,3]thiazol-3-yl]-N-(2,4-dimethoxyphenyl)acetamide897458-10-5C21H18ClN3O3S
- 1-(4-Chloro-3-nitrobenzoyl)-3-phenyl-1,4-diazaspiro[4.5]dec-3-ene-2-thione899782-23-1C21H18ClN3O3S
- 2-[(4-Chlorophenyl)sulfonylamino]-N-[(4-methylphenyl)methylideneamino]benzamide477734-45-5C21H18ClN3O3S
- 4-[(4-Chlorophenyl)sulfonylamino]-N-[(4-methylphenyl)methylideneamino]benzamide477732-85-7C21H18ClN3O3S
- 3-Chloro-N-[3-(3-methoxyphenyl)-1-methyl-1H-pyrrolo[2,3-b]pyridin-4-yl]benzenesulfonamide1415925-12-0C21H18ClN3O3S
- 5-Amino-1-(4-chlorophenyl)-4-[4-(3,4-dimethoxyphenyl)-1,3-thiazol-2-yl]-2,3-dihydro-1H-pyrrol-3-one885458-14-0C21H18ClN3O3S
Frequently asked questions
What is the molar mass of C21H18ClN3O3S?
The molar mass of C21H18ClN3O3S is 427.90 g/mol, calculated from standard atomic weights for 21 carbon atoms, 18 hydrogen atoms, 1 chlorine atom, 3 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 427.0757 Da.
How many compounds have the formula C21H18ClN3O3S?
CompoundList lists 57 compounds with the molecular formula C21H18ClN3O3S, including 4-(5-(2-Chloro-8-methylquinolin-3-yl)-3-(thiophen-2-yl)-4,5-dihydro-1H-pyrazol-1-yl)-4-oxobutanoic acid, Methanesulfonanilide, 4'-((3-chloro-9-acridinyl)amino)-3'-methoxy-, 3-(1-(Benzenesulfonyl)-2,3-dihydro-1H-indol-6-yl)-1-(4-chlorophenyl)urea. 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 C21H18ClN3O3S?
C21H18ClN3O3S 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.