C21H17N5O3S
44 compounds have this formula on CompoundList.
- Molar mass
- 419.46g/mol
- Monoisotopic mass
- 419.1052Da
- Atoms
- 47
- Elements
- 5
- Rings plus double bonds
- 16
The formula C21H17N5O3S describes a molecule made of 21 carbon atoms, 17 hydrogen atoms, 5 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 × 2160.13%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 174.09%1.008 × 17 = 17.136 g/mol
- N Nitrogen × 516.70%14.007 × 5 = 70.035 g/mol
- O Oxygen × 311.44%15.999 × 3 = 47.997 g/mol
- S Sulfur × 17.64%32.06 × 1 = 32.060 g/mol
Compounds with the formula C21H17N5O3S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 44 of 44 compounds
![4-[4-(4-Sulfamoyl-phenylamino)-phthalazin-1-yl]-benzamide chemical structure, C21H17N5O3S, CAS 375840-32-7](/s/CPOUJZWZCROKKO-UHFFFAOYSA-N.svg)
![N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-((3-phenyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetamide chemical structure, C21H17N5O3S, CAS 852372-69-1](/s/PEODGURVXMQJJY-UHFFFAOYSA-N.svg)
![N-(1-Methyl-6-oxo-4-(thiophen-2-yl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-b]pyridin-3-yl)-5-phenylisoxazole-3-carboxamide chemical structure, C21H17N5O3S, CAS 1203158-69-3](/s/DSTWZAPPDZIBMC-UHFFFAOYSA-N.svg)
![3-[4-(4-Methoxyphenyl)-5-{[(4-nitrophenyl)methyl]sulfanyl}-4H-1,2,4-triazol-3-yl]pyridine chemical structure, C21H17N5O3S, CAS 496776-21-7](/s/DYQMZRHRTUBSJV-UHFFFAOYSA-N.svg)
![1,3-Dimethyl-7-[2-oxo-2-(10H-phenothiazin-10-yl)ethyl]-3,7-dihydro-1H-purine-2,6-dione chemical structure, C21H17N5O3S, CAS 309927-49-9](/s/BGCASBXIJKEYCK-UHFFFAOYSA-N.svg)
![Methyl 2-[[2-(1-naphthalen-1-yltetrazol-5-yl)sulfanylacetyl]amino]benzoate chemical structure, C21H17N5O3S, CAS 634168-75-5](/s/GBAYBGYXICJFDX-UHFFFAOYSA-N.svg)
![N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-(1-phenylpyrazolo[3,4-d]pyrimidin-4-yl)sulfanylacetamide chemical structure, C21H17N5O3S, CAS 483984-46-9](/s/DGZYHTNXAXJNSH-UHFFFAOYSA-N.svg)
![2-((5-Methyl-3-phenylpyrazolo[1,5-a]pyrimidin-7-yl)thio)-N-(4-nitrophenyl)acetamide chemical structure, C21H17N5O3S, CAS 877800-18-5](/s/OTJMJBIHKMOSRJ-UHFFFAOYSA-N.svg)
![2-((5-Methyl-3-phenylpyrazolo[1,5-a]pyrimidin-7-yl)thio)-N-(2-nitrophenyl)acetamide chemical structure, C21H17N5O3S, CAS 877795-88-5](/s/UEFZDKOLROQTJM-UHFFFAOYSA-N.svg)
![2-((5-Methyl-3-phenylpyrazolo[1,5-a]pyrimidin-7-yl)thio)-N-(3-nitrophenyl)acetamide chemical structure, C21H17N5O3S, CAS 877623-09-1](/s/MNIYDOPCOGFRNN-UHFFFAOYSA-N.svg)
![N-(1,3-Benzodioxol-5-ylmethyl)-2-(1-phenylpyrazolo[3,4-d]pyrimidin-4-yl)sulfanylacetamide chemical structure, C21H17N5O3S, CAS 872856-68-3](/s/MOMXVPMAPIOEPV-UHFFFAOYSA-N.svg)
![N-(2,3-Dihydrobenzo[b][1,4]dioxin-6-yl)-2-((3-phenyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetamide chemical structure, C21H17N5O3S, CAS 852372-59-9](/s/GFVIBNPIJMDJJL-UHFFFAOYSA-N.svg)
![N-(Benzo[d][1,3]dioxol-5-yl)-2-((3-(p-tolyl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetamide chemical structure, C21H17N5O3S, CAS 852375-66-7](/s/AKWDSZLCGJUUBL-UHFFFAOYSA-N.svg)
![N-[(2H-1,3-Benzodioxol-5-yl)methyl]-2-({6-phenyl-[1,2,4]triazolo[4,3-b]pyridazin-3-yl}sulfanyl)acetamide chemical structure, C21H17N5O3S, CAS 891117-61-6](/s/UWTZFUJIULZPQJ-UHFFFAOYSA-N.svg)
![N-(2,3-Dihydro-1,4-benzodioxin-6-yl)-2-({6-phenyl-[1,2,4]triazolo[4,3-b]pyridazin-3-yl}sulfanyl)acetamide chemical structure, C21H17N5O3S, CAS 877633-93-7](/s/ZJWOBIPIJBEOAY-UHFFFAOYSA-N.svg)
![N-(Benzo[d][1,3]dioxol-5-yl)-2-((5-phenyl-4-(1H-pyrrol-1-yl)-4H-1,2,4-triazol-3-yl)thio)acetamide chemical structure, C21H17N5O3S, CAS 896297-16-8](/s/HJRWOHDVTLJUSO-UHFFFAOYSA-N.svg)
![2-[3-(4-Methoxyphenyl)-6-oxopyridazin-1(6H)-yl]-N-[(2Z)-4-(pyridin-4-yl)-1,3-thiazol-2(3H)-ylidene]acetamide chemical structure, C21H17N5O3S, CAS 1282108-11-5](/s/YQFKGRXSBVDIOD-UHFFFAOYSA-N.svg)
![2-[3-(3-Methoxyphenyl)-6-oxopyridazin-1(6H)-yl]-N-[(2Z)-4-(pyridin-4-yl)-1,3-thiazol-2(3H)-ylidene]acetamide chemical structure, C21H17N5O3S, CAS 1282142-21-5](/s/XDCSWVWQUBJNSM-UHFFFAOYSA-N.svg)
![2-[3-(3-Methoxyphenyl)-6-oxopyridazin-1(6H)-yl]-N-[(2Z)-4-(pyridin-3-yl)-1,3-thiazol-2(3H)-ylidene]acetamide chemical structure, C21H17N5O3S, CAS 1310945-70-0](/s/LGMPUAPICXQCDC-UHFFFAOYSA-N.svg)
![2-[3-(4-Methoxyphenyl)-6-oxopyridazin-1(6H)-yl]-N-[(2Z)-4-(pyridin-3-yl)-1,3-thiazol-2(3H)-ylidene]acetamide chemical structure, C21H17N5O3S, CAS 1310946-56-5](/s/CGPGIAOYYMMLJN-UHFFFAOYSA-N.svg)
![6-[(5-Phenacylsulfanyl-4-phenyl-1,2,4-triazol-3-yl)methyl]-1H-pyrimidine-2,4-dione chemical structure, C21H17N5O3S, CAS 852047-28-0](/s/TZQMFUAPBCHONA-UHFFFAOYSA-N.svg)
![2-(2-{3-Methyl-1-[4-(4-methylphenyl)-1,3-thiazol-2-yl]-5-oxo-1,5-dihydro-4H-pyrazol-4-ylidene}hydrazino)benzoic acid chemical structure, C21H17N5O3S, CAS 314290-19-2](/s/YVSRSTOQFDIWSF-UHFFFAOYSA-N.svg)
![Methyl 4-(2-((1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4-yl)thio)acetamido)benzoate chemical structure, C21H17N5O3S, CAS 861634-72-2](/s/PDVZMFWDRGMHIE-UHFFFAOYSA-N.svg)
![2-[6-(3,4,5-Trimethoxyphenyl)[1,2,4]triazolo[3,4-b][1,3,4]thiadiazol-3-yl]quinoline chemical structure, C21H17N5O3S, CAS 951950-81-5](/s/BUWCFAHIULLRKL-UHFFFAOYSA-N.svg)
- Methyl 4-(2-((3-phenyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetamido)benzoate852372-60-2C21H17N5O3S
- N-(4-Acetylphenyl)-2-[3-oxo-6-(phenylsulfanyl)-2H,3H-[1,2,4]triazolo[4,3-b]pyridazin-2-yl]acetamide1243090-60-9C21H17N5O3S
- 2-[3-(3-Methoxyphenyl)-6-oxopyridazin-1(6H)-yl]-N-[(2Z)-4-(pyridin-2-yl)-1,3-thiazol-2(3H)-ylidene]acetamide1282131-10-5C21H17N5O3S
- 2-[3-(4-Methoxyphenyl)-6-oxopyridazin-1(6H)-yl]-N-[(2Z)-4-(pyridin-2-yl)-1,3-thiazol-2(3H)-ylidene]acetamide1282101-33-0C21H17N5O3S
- N-(2-(6-Oxo-1,6-dihydropyridazin-3-yl)phenyl)-2-(6-oxo-3-(thiophen-2-yl)pyridazin-1(6H)-yl)propanamide1428365-35-8C21H17N5O3S
- 2-Methyl-N-(3-methyl-1-(4-phenylthiazol-2-yl)-1H-pyrazol-5-yl)-3-nitrobenzamide1019101-99-5C21H17N5O3S
- 4-Methyl-N-(3-methyl-1-(4-phenylthiazol-2-yl)-1H-pyrazol-5-yl)-3-nitrobenzamide1019102-01-2C21H17N5O3S
- N-(3-Methyl-1-(4-phenylthiazol-2-yl)-1H-pyrazol-5-yl)-2-(4-nitrophenyl)acetamide1019102-06-7C21H17N5O3S
- N-(3-Methyl-1-(4-(p-tolyl)thiazol-2-yl)-1H-pyrazol-5-yl)-2-nitrobenzamide1019102-20-5C21H17N5O3S
- 2-(Furan-2-yl)-7-({[5-methyl-2-(4-methylphenyl)-1,3-oxazol-4-yl]methyl}sulfanyl)-4H,5H-pyrazolo[1,5-d][1,2,4]triazin-4-one1040684-19-2C21H17N5O3S
- N-(4-Acetylphenyl)-2-({4-oxo-1-phenyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-6-yl}sulfanyl)acetamide946200-23-3C21H17N5O3S
- 2-((6-Oxo-4-(pyridin-3-yl)-1,6-dihydropyrimidin-2-yl)thio)-N-(4-(p-tolyl)isoxazol-5-yl)acetamide1040648-53-0C21H17N5O3S
- 4-(2-(2-Methyl-4-oxo-7-phenylthiazolo[4,5-d]pyridazin-5(4H)-yl)acetamido)benzamide941986-45-4C21H17N5O3S
- Methyl 4-(2-((6-phenyl-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)thio)acetamido)benzoate894035-63-3C21H17N5O3S
- N-(2-(2,3-Dihydroimidazo[2,1-b]thiazol-6-yl)phenyl)-2-(3-(furan-2-yl)-6-oxopyridazin-1(6H)-yl)acetamide2034487-29-9C21H17N5O3S
- N-(Benzo[d][1,3]dioxol-5-yl)-2-((6-(p-tolyl)-[1,2,4]triazolo[4,3-b]pyridazin-3-yl)thio)acetamide877634-25-8C21H17N5O3S
- 2-Hydroxy-N-[5-methyl-4-(1H-pyrrolo[2,3-b]pyridin-3-yl)-1,3-thiazol-2-yl]-5-(prop-2-enoylamino)benzamide2418727-45-2C21H17N5O3S
- 2-[[5-(2-Methylfuran-3-yl)-1,3,4-oxadiazol-2-yl]sulfanyl]-N-(4-phenyldiazenylphenyl)acetamide1012629-96-7C21H17N5O3S
- 5-[(4-Methoxybenzoyl)amino]-2-(2-quinolinylamino)-4-thiazolecarboxamide1497362-58-9C21H17N5O3S
- Pyrimido[5',4':5,6]pyrimido[1,2-a]benzimidazol-5(6H)-one, 6-(2,6-dimethylphenyl)-2-(methylsulfonyl)-847950-98-5C21H17N5O3S
Frequently asked questions
What is the molar mass of C21H17N5O3S?
The molar mass of C21H17N5O3S is 419.46 g/mol, calculated from standard atomic weights for 21 carbon atoms, 17 hydrogen atoms, 5 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 419.1052 Da.
How many compounds have the formula C21H17N5O3S?
CompoundList lists 44 compounds with the molecular formula C21H17N5O3S, including 4-[4-(4-Sulfamoyl-phenylamino)-phthalazin-1-yl]-benzamide, N-(Benzo[d][1,3]dioxol-5-ylmethyl)-2-((3-phenyl-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)acetamide, N-(1-Methyl-6-oxo-4-(thiophen-2-yl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-b]pyridin-3-yl)-5-phenylisoxazole-3-carboxamide. 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 C21H17N5O3S?
C21H17N5O3S has a degree of unsaturation of 16. 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.