Molecular formula
C21H21N3O5S
153 compounds have this formula on CompoundList.
- Molar mass
- 427.48g/mol
- Monoisotopic mass
- 427.1202Da
- Atoms
- 51
- Elements
- 5
- Rings plus double bonds
- 13
The formula C21H21N3O5S describes a molecule made of 21 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms, 5 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 × 2159.00%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 214.95%1.008 × 21 = 21.168 g/mol
- N Nitrogen × 39.83%14.007 × 3 = 42.021 g/mol
- O Oxygen × 518.71%15.999 × 5 = 79.995 g/mol
- S Sulfur × 17.50%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C21H21N3O5S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 101 to 153 of 153 compounds
![(E)-3-(3-Nitrophenyl)-1-[4-[(E)-2-phenylethenyl]sulfonylpiperazin-1-yl]prop-2-en-1-one chemical structure, C21H21N3O5S, CAS 879157-27-4](/s/QWRJMYYJFIYJHQ-AKYRVGECSA-N.svg)
(E)-3-(3-Nitrophenyl)-1-[4-[(E)-2-phenylethenyl]sulfonylpiperazin-1-yl]prop-2-en-1-one
CAS 879157-27-4C21H21N3O5S
![(Z)-Ethyl 2-(6-acetamido-2-((4-methoxybenzoyl)imino)benzo[d]thiazol-3(2H)-yl)acetate chemical structure, C21H21N3O5S, CAS 865248-49-3](/s/IYTCEUVNABASFH-UHFFFAOYSA-N.svg)
(Z)-Ethyl 2-(6-acetamido-2-((4-methoxybenzoyl)imino)benzo[d]thiazol-3(2H)-yl)acetate
CAS 865248-49-3C21H21N3O5S
![(Z)-Methyl 2-(6-acetamido-2-((3-phenoxypropanoyl)imino)benzo[d]thiazol-3(2H)-yl)acetate chemical structure, C21H21N3O5S, CAS 865199-52-6](/s/RTQZJBSMVAZNPZ-UHFFFAOYSA-N.svg)
(Z)-Methyl 2-(6-acetamido-2-((3-phenoxypropanoyl)imino)benzo[d]thiazol-3(2H)-yl)acetate
CAS 865199-52-6C21H21N3O5S
![Diethyl 2-(4-cyanobenzamido)-4,5-dihydrothieno[2,3-c]pyridine-3,6(7H)-dicarboxylate chemical structure, C21H21N3O5S, CAS 864926-50-1](/s/ZATWXWYVUKYRIJ-UHFFFAOYSA-N.svg)
Diethyl 2-(4-cyanobenzamido)-4,5-dihydrothieno[2,3-c]pyridine-3,6(7H)-dicarboxylate
CAS 864926-50-1C21H21N3O5S
![2-Cyano-3-(4-methoxyphenyl)-N-[4-(morpholine-4-sulfonyl)phenyl]prop-2-enamide chemical structure, C21H21N3O5S, CAS 325738-42-9](/s/JFSLUZMFJJJKIA-SAPNQHFASA-N.svg)
2-Cyano-3-(4-methoxyphenyl)-N-[4-(morpholine-4-sulfonyl)phenyl]prop-2-enamide
CAS 325738-42-9C21H21N3O5S
2-(3,4-Dimethoxyphenyl)-N-(3-(6-(methylsulfonyl)pyridazin-3-yl)phenyl)acetamide
CAS 897614-32-3C21H21N3O5S
N-(2,4-Dimethoxyphenyl)-2-((4-(2-methoxyphenyl)-3-oxo-3,4-dihydropyrazin-2-yl)thio)acetamide
CAS 900007-05-8C21H21N3O5S
4-(Morpholinosulfonyl)-N-((5-phenylisoxazol-3-yl)methyl)benzamide
CAS 946209-87-6C21H21N3O5S
N-(2-Carbamoylbenzofuran-3-yl)-1-tosylpyrrolidine-2-carboxamide
CAS 1048387-23-0C21H21N3O5S
N-(2-Methyl-1,3-dioxoisoindolin-5-yl)-1-tosylpyrrolidine-2-carboxamide
CAS 1048661-17-1C21H21N3O5S
N-(2-Methyl-1,3-dioxoisoindolin-4-yl)-1-tosylpyrrolidine-2-carboxamide
CAS 1048661-19-3C21H21N3O5S
2-(3-((4-Nitrobenzyl)sulfonyl)-1H-indol-1-yl)-1-(pyrrolidin-1-yl)ethanone
CAS 894007-85-3C21H21N3O5S
2-(3-((3-Nitrobenzyl)sulfonyl)-1H-indol-1-yl)-1-(pyrrolidin-1-yl)ethanone
CAS 894008-39-0C21H21N3O5S
N-(4-(6-(Ethylsulfonyl)pyridazin-3-yl)phenyl)-3,5-dimethoxybenzamide
CAS 1005307-98-1C21H21N3O5S
3,4-Dimethoxy-N-(4-(2-((2-methoxyphenyl)amino)-2-oxoethyl)thiazol-2-yl)benzamide
CAS 1005295-02-2C21H21N3O5S
3,4-Dimethoxy-N-(4-(2-((3-methoxyphenyl)amino)-2-oxoethyl)thiazol-2-yl)benzamide
CAS 1005308-28-0C21H21N3O5S
3,5-Dimethoxy-N-(4-(2-((2-methoxyphenyl)amino)-2-oxoethyl)thiazol-2-yl)benzamide
CAS 941985-02-0C21H21N3O5S
3,5-Dimethoxy-N-(4-(2-((3-methoxyphenyl)amino)-2-oxoethyl)thiazol-2-yl)benzamide
CAS 921864-40-6C21H21N3O5S
Methyl 4-(2-((5-(4-methoxyphenyl)-1-methyl-1H-imidazol-2-yl)sulfinyl)acetamido)benzoate
CAS 1007267-19-7C21H21N3O5S
![(Z)-Ethyl 2-(6-isopropyl-2-((2-nitrobenzoyl)imino)benzo[d]thiazol-3(2H)-yl)acetate chemical structure, C21H21N3O5S, CAS 897620-30-3](/s/MUFRMTASXWRYIL-UHFFFAOYSA-N.svg)
(Z)-Ethyl 2-(6-isopropyl-2-((2-nitrobenzoyl)imino)benzo[d]thiazol-3(2H)-yl)acetate
CAS 897620-30-3C21H21N3O5S
N-(3,4-Dimethoxyphenyl)-2-((4-(2-methoxyphenyl)-3-oxo-3,4-dihydropyrazin-2-yl)thio)acetamide
CAS 900007-20-7C21H21N3O5S
N-(4-Ethoxyphenyl)-5-(4-methoxybenzenesulfonamido)pyridine-3-carboxamide
CAS 878061-57-5C21H21N3O5S
N-(4-(2-((2,5-Dimethoxyphenyl)amino)-2-oxoethyl)thiazol-2-yl)-4-methoxybenzamide
CAS 946274-21-1C21H21N3O5S
2-(1,3-Dioxoisoindolin-2-yl)-N-(1-(ethylsulfonyl)-1,2,3,4-tetrahydroquinolin-6-yl)acetamide
CAS 946345-67-1C21H21N3O5S
- N-(5,5-Dioxido-2-(m-tolyl)-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-2-(2-methoxyphenoxy)acetamide893943-94-7C21H21N3O5S
- N-(5,5-Dioxido-2-(p-tolyl)-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-2-(4-methoxyphenoxy)acetamide893947-14-3C21H21N3O5S
- N-(5-(Benzo[d][1,3]dioxol-5-ylmethyl)-1,3,4-oxadiazol-2-yl)-4-((4-methoxyphenyl)thio)butanamide922020-18-6C21H21N3O5S
- N-(4-(6-(Ethylsulfonyl)pyridazin-3-yl)phenyl)-2,3-dimethoxybenzamide921544-37-8C21H21N3O5S
- N-(4-(6-(Ethylsulfonyl)pyridazin-3-yl)phenyl)-3,4-dimethoxybenzamide921586-78-9C21H21N3O5S
- N-(4-(6-(Ethylsulfonyl)pyridazin-3-yl)phenyl)-2,6-dimethoxybenzamide921545-05-3C21H21N3O5S
- N-(2-Ethylphenyl)-2-(3-((4-methoxyphenyl)sulfonyl)-6-oxopyridazin-1(6H)-yl)acetamide1251611-80-9C21H21N3O5S
- N-(2,6-Dimethylphenyl)-2-(3-((4-methoxyphenyl)sulfonyl)-6-oxopyridazin-1(6H)-yl)acetamide1251696-39-5C21H21N3O5S
- Methyl 2-({3-oxo-2-phenyl-1,4,8-triazaspiro[4.5]dec-1-en-8-yl}sulfonyl)benzoate1358592-43-4C21H21N3O5S
- 3-(3-(3-((4-Methoxyphenyl)sulfonyl)azetidin-1-yl)-3-oxopropyl)quinazolin-4(3H)-one1706385-58-1C21H21N3O5S
- 2-(4-((3-(Quinolin-2-yloxy)pyrrolidin-1-yl)sulfonyl)phenoxy)acetamide2034445-65-1C21H21N3O5S
- N-((5-(Furan-2-yl)pyridin-3-yl)methyl)-4-(morpholinosulfonyl)benzamide2034384-89-7C21H21N3O5S
- N-((5-(Furan-3-yl)pyridin-3-yl)methyl)-4-(morpholinosulfonyl)benzamide2034618-00-1C21H21N3O5S
- 4-(2,5-Dioxopyrrolidin-1-yl)-N-(2-hydroxy-2-(1-methyl-1H-indol-5-yl)ethyl)benzenesulfonamide2097920-06-2C21H21N3O5S
- 2-[(5Z)-5-(3,4-Dimethoxybenzylidene)-2,4-dioxo-1,3-thiazolidin-3-yl]-N'-methyl-N'-phenylacetohydrazide316159-78-1C21H21N3O5S
- N-(3-(6-(Ethylsulfonyl)pyridazin-3-yl)phenyl)-3,5-dimethoxybenzamide946202-41-1C21H21N3O5S
- 4-Hydroxy-2-methyl-N-[4-(4-morpholinylsulfonyl)phenyl]-6-quinolinecarboxamide1018128-23-8C21H21N3O5S
- 1-(1,1-Dioxidotetrahydrothiophen-3-yl)-6-oxo-N-(4-phenoxyphenyl)-1,4,5,6-tetrahydropyridazine-3-carboxamide1203044-33-0C21H21N3O5S
- N-(2,4-Dimethylphenyl)-2-(3-((4-methoxyphenyl)sulfonyl)-6-oxopyridazin-1(6H)-yl)acetamide1251709-31-5C21H21N3O5S
- N-[2-(3-Cyclopropyl-2,2-dioxo-1,3-dihydro-2lambda6,1,3-benzothiadiazol-1-yl)ethyl]-7-methoxy-1-benzofuran-2-carboxamide2097894-86-3C21H21N3O5S
- (2E)-3-(2H-1,3-Benzodioxol-5-yl)-N-[2-(3-cyclopropyl-2,2-dioxo-1,3-dihydro-2lambda6,1,3-benzothiadiazol-1-yl)ethyl]prop-2-enamide2097940-31-1C21H21N3O5S
- N-[(Furan-2-yl)methyl]-2-(4-{[2-(4-methylbenzene-1-sulfonyl)hydrazinylidene]methyl}phenoxy)acetamide6180-66-1C21H21N3O5S
- 3-(4-Nitrophenyl)-1-[4-(2-phenylethenesulfonyl)piperazin-1-yl]prop-2-en-1-one852554-65-5C21H21N3O5S
- 5-Isopropoxy-3-(4-methanesulfonylphenoxy)-N-pyrazin-2-ylbenzamide752238-97-4C21H21N3O5S
- Methyl 3-{[(dimethylamino)methylidene]sulfamoyl}-4-phenoxy-5-(1H-pyrrol-1-yl)benzoate66889-14-3C21H21N3O5S
- (2S,5R,6R)-6-[[2-[(2-Furanylmethylene)amino]-2-phenylacetyl]amino]-3,3-dimethyl-7-oxo-4-thia-1-azabicyclo[3.2.0]heptane-2-carboxylic acid26785-17-1C21H21N3O5S
- Methyl (R)-2-(((benzyloxy)carbonyl)amino)-3-(7-methylthieno[3,2-b]pyridine-2-carboxamido)propanoate2577196-91-7C21H21N3O5S
- 1,3-Dioxo-2,3-dihydro-1H-isoindol-2-yl 2-(1-{[(1,3-thiazol-2-yl)carbamoyl]methyl}cyclohexyl)acetate2248361-10-4C21H21N3O5S
- Acetamide, 2-(cyclopropylamino)-N-[4-(6-methyl-2-benzothiazolyl)phenyl]-, ethanedioate (1:1)1184986-46-6C21H21N3O5S
Frequently asked questions
What is the molar mass of C21H21N3O5S?
The molar mass of C21H21N3O5S is 427.48 g/mol, calculated from standard atomic weights for 21 carbon atoms, 21 hydrogen atoms, 3 nitrogen atoms, 5 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 427.1202 Da.
How many compounds have the formula C21H21N3O5S?
CompoundList lists 153 compounds with the molecular formula C21H21N3O5S, including (E)-3-(3-Nitrophenyl)-1-[4-[(E)-2-phenylethenyl]sulfonylpiperazin-1-yl]prop-2-en-1-one, (Z)-Ethyl 2-(6-acetamido-2-((4-methoxybenzoyl)imino)benzo[d]thiazol-3(2H)-yl)acetate, (Z)-Methyl 2-(6-acetamido-2-((3-phenoxypropanoyl)imino)benzo[d]thiazol-3(2H)-yl)acetate. 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 C21H21N3O5S?
C21H21N3O5S has a degree of unsaturation of 13. 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.