Molecular formula
C21H15N3O3S
50 compounds have this formula on CompoundList.
- Molar mass
- 389.43g/mol
- Monoisotopic mass
- 389.0834Da
- Atoms
- 43
- Elements
- 5
- Rings plus double bonds
- 16
The formula C21H15N3O3S describes a molecule made of 21 carbon atoms, 15 hydrogen atoms, 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 × 2164.77%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 153.88%1.008 × 15 = 15.120 g/mol
- N Nitrogen × 310.79%14.007 × 3 = 42.021 g/mol
- O Oxygen × 312.32%15.999 × 3 = 47.997 g/mol
- S Sulfur × 18.23%32.06 × 1 = 32.060 g/mol
Look up another formula
Compounds with the formula C21H15N3O3S
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 50 of 50 compounds
![2-[(4-Nitrobenzyl)sulfanyl]-3-phenyl-4(3H)-quinazolinone chemical structure, C21H15N3O3S, CAS 329079-89-2](/s/FTNSFKAFDNIENS-UHFFFAOYSA-N.svg)
2-[(4-Nitrobenzyl)sulfanyl]-3-phenyl-4(3H)-quinazolinone
CAS 329079-89-2C21H15N3O3S
![N-[4-(5-Methyl-1,3-benzothiazol-2-yl)phenyl]-4-nitrobenzamide chemical structure, C21H15N3O3S, CAS 303790-87-6](/s/CLQUMCZPDMYYOZ-UHFFFAOYSA-N.svg)
N-[4-(5-Methyl-1,3-benzothiazol-2-yl)phenyl]-4-nitrobenzamide
CAS 303790-87-6C21H15N3O3S
2-(Naphthalen-1-yl)-N-(4-(3-nitrophenyl)thiazol-2-yl)acetamide
CAS 391221-56-0C21H15N3O3S
(2E)-2-(2-(Allyloxy)benzylidene)-6-phenyl-7H-(1,3)thiazolo(3,2-B)(1,2,4)triazine-3,7(2H)-dione
CAS 606956-44-9C21H15N3O3S
5-(4-Acetylphenyl)-N-(4-pyridin-2-yl-1,3-thiazol-2-yl)furan-2-carboxamide
CAS 850016-77-2C21H15N3O3S
![N-[5-(1,3-Benzothiazol-2-yl)-2-methylphenyl]-2-nitrobenzamide chemical structure, C21H15N3O3S, CAS 420828-03-1](/s/TUEFTJZEENNHJQ-UHFFFAOYSA-N.svg)
N-[5-(1,3-Benzothiazol-2-yl)-2-methylphenyl]-2-nitrobenzamide
CAS 420828-03-1C21H15N3O3S
![N-(3-(2,3-Dihydroimidazo[2,1-b]thiazol-6-yl)phenyl)-2-oxo-2H-chromene-3-carboxamide chemical structure, C21H15N3O3S, CAS 890951-06-1](/s/SFFCTWYDSNNOHI-UHFFFAOYSA-N.svg)
N-(3-(2,3-Dihydroimidazo[2,1-b]thiazol-6-yl)phenyl)-2-oxo-2H-chromene-3-carboxamide
CAS 890951-06-1C21H15N3O3S
![(2E,4E)-2-[4-(3-Methoxyphenyl)-1,3-thiazol-2-yl]-5-(2-nitrophenyl)penta-2,4-dienenitrile chemical structure, C21H15N3O3S, CAS 476675-54-4](/s/YGINMSQNCAZELS-VFISYLAMSA-N.svg)
(2E,4E)-2-[4-(3-Methoxyphenyl)-1,3-thiazol-2-yl]-5-(2-nitrophenyl)penta-2,4-dienenitrile
CAS 476675-54-4C21H15N3O3S
N-(5-Benzoyl-4-phenylthiazol-2-yl)-5-methylisoxazole-3-carboxamide
CAS 955676-70-7C21H15N3O3S
![Methyl 3-[4-([1,1'-biphenyl]-4-ylcarbonyl)-1H-1,2,3-triazol-1-yl]-2-thiophenecarboxylate chemical structure, C21H15N3O3S, CAS 439111-70-3](/s/PQEPDTQEZQTNEX-UHFFFAOYSA-N.svg)
Methyl 3-[4-([1,1'-biphenyl]-4-ylcarbonyl)-1H-1,2,3-triazol-1-yl]-2-thiophenecarboxylate
CAS 439111-70-3C21H15N3O3S
![N-[4-(6-Methyl-1,3-benzothiazol-2-yl)phenyl]-2-nitrobenzamide chemical structure, C21H15N3O3S, CAS 313529-36-1](/s/DKWLEIWLTJIRQW-UHFFFAOYSA-N.svg)
N-[4-(6-Methyl-1,3-benzothiazol-2-yl)phenyl]-2-nitrobenzamide
CAS 313529-36-1C21H15N3O3S
![4-{3-Amino-6-phenylthieno[2,3-B]pyridine-2-amido}benzoic acid chemical structure, C21H15N3O3S, CAS 923123-40-4](/s/BAYSPFVCSDUHNF-UHFFFAOYSA-N.svg)
4-{3-Amino-6-phenylthieno[2,3-B]pyridine-2-amido}benzoic acid
CAS 923123-40-4C21H15N3O3S
2-Methyl-N-(4-naphthalen-1-yl-1,3-thiazol-2-yl)-3-nitrobenzamide
CAS 544441-85-2C21H15N3O3S
![N-[5-[(3-Nitrophenyl)methyl]-1,3-thiazol-2-yl]naphthalene-1-carboxamide chemical structure, C21H15N3O3S, CAS 314028-45-0](/s/NGPKPRTYFFGZPM-UHFFFAOYSA-N.svg)
N-[5-[(3-Nitrophenyl)methyl]-1,3-thiazol-2-yl]naphthalene-1-carboxamide
CAS 314028-45-0C21H15N3O3S
![N-[(2-Methyl-1,3-dioxoisoindol-5-yl)carbamothioyl]naphthalene-1-carboxamide chemical structure, C21H15N3O3S, CAS 431992-65-3](/s/UPLISDSTVMXISM-UHFFFAOYSA-N.svg)
N-[(2-Methyl-1,3-dioxoisoindol-5-yl)carbamothioyl]naphthalene-1-carboxamide
CAS 431992-65-3C21H15N3O3S
3-Methyl-N-(4-naphthalen-1-yl-1,3-thiazol-2-yl)-4-nitrobenzamide
CAS 543717-18-6C21H15N3O3S
![4-[4-(2-Pyridinyl)-2-pyrimidinyl]phenyl benzenesulfonate chemical structure, C21H15N3O3S, CAS 477857-50-4](/s/KLYYNQXQLCQNDD-UHFFFAOYSA-N.svg)
4-[4-(2-Pyridinyl)-2-pyrimidinyl]phenyl benzenesulfonate
CAS 477857-50-4C21H15N3O3S
![2-Oxo-N-(2-phenyl-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-2H-chromene-3-carboxamide chemical structure, C21H15N3O3S, CAS 476458-12-5](/s/MZTKQJPZBGKBAT-UHFFFAOYSA-N.svg)
2-Oxo-N-(2-phenyl-4,6-dihydro-2H-thieno[3,4-c]pyrazol-3-yl)-2H-chromene-3-carboxamide
CAS 476458-12-5C21H15N3O3S
![N-(4,5-Dihydronaphtho[1,2-d]thiazol-2-yl)-2-(1,3-dioxoisoindolin-2-yl)acetamide chemical structure, C21H15N3O3S, CAS 477545-62-3](/s/IEUGDNSCDDUODS-UHFFFAOYSA-N.svg)
N-(4,5-Dihydronaphtho[1,2-d]thiazol-2-yl)-2-(1,3-dioxoisoindolin-2-yl)acetamide
CAS 477545-62-3C21H15N3O3S
![N1-(benzo[d]thiazol-2-yl)-N2-(4-phenoxyphenyl)oxalamide chemical structure, C21H15N3O3S, CAS 920391-47-5](/s/RLDBUVGPPBWGLV-UHFFFAOYSA-N.svg)
N1-(benzo[d]thiazol-2-yl)-N2-(4-phenoxyphenyl)oxalamide
CAS 920391-47-5C21H15N3O3S
![3-(Furan-2-ylmethyl)-10-methyl-2-(thiophen-2-yl)pyrimido[4,5-b]quinoline-4,5(3H,10H)-dione chemical structure, C21H15N3O3S, CAS 883957-79-7](/s/DQTKMQFSJFHPEB-UHFFFAOYSA-N.svg)
3-(Furan-2-ylmethyl)-10-methyl-2-(thiophen-2-yl)pyrimido[4,5-b]quinoline-4,5(3H,10H)-dione
CAS 883957-79-7C21H15N3O3S
2-(5-Methylthiophen-2-yl)-N-(2-nitrophenyl)quinoline-4-carboxamide
CAS 544414-45-1C21H15N3O3S
![N-(7-Methyl-5-oxo-5H-thiazolo[3,2-a]pyrimidin-6-yl)-9H-xanthene-9-carboxamide chemical structure, C21H15N3O3S, CAS 941878-61-1](/s/QPDXEOBSDKLSQZ-UHFFFAOYSA-N.svg)
N-(7-Methyl-5-oxo-5H-thiazolo[3,2-a]pyrimidin-6-yl)-9H-xanthene-9-carboxamide
CAS 941878-61-1C21H15N3O3S
![N-[5-(4-Methylthiophen-2-yl)-1,3,4-oxadiazol-2-yl]-9H-xanthene-9-carboxamide chemical structure, C21H15N3O3S, CAS 1351620-74-0](/s/RAXLZOOUZVTCTL-UHFFFAOYSA-N.svg)
N-[5-(4-Methylthiophen-2-yl)-1,3,4-oxadiazol-2-yl]-9H-xanthene-9-carboxamide
CAS 1351620-74-0C21H15N3O3S
- N-(2-(Imidazo[2,1-b]thiazol-6-yl)phenyl)-7-methoxybenzofuran-2-carboxamide1795360-66-5C21H15N3O3S
- N-[5-(1,3-Benzothiazol-2-yl)-2-methylphenyl]-4-nitrobenzamide331971-68-7C21H15N3O3S
- 7-Methyl-1-(4-methylphenyl)-2-(1,3,4-thiadiazol-2-yl)-1,2-dihydrochromeno[2,3-c]pyrrole-3,9-dione844645-37-0C21H15N3O3S
- (E)-3-((3-Acetylphenyl)amino)-2-(4-(benzo[d][1,3]dioxol-5-yl)thiazol-2-yl)acrylonitrile683258-76-6C21H15N3O3S
- 2-{3-Amino-6-phenylthieno[2,3-B]pyridine-2-amido}benzoic acid938025-24-2C21H15N3O3S
- N-(1-(Furan-2-carbonyl)indolin-6-yl)benzo[d]thiazole-2-carboxamide1211262-57-5C21H15N3O3S
- N-(2H-1,3-Benzodioxol-5-yl)-2-[(3-cyano-6-phenylpyridin-2-yl)sulfanyl]acetamide1310716-34-7C21H15N3O3S
- N-[2-(3-Methyl-1,2,4-oxadiazol-5-yl)thiophen-3-yl]-9H-xanthene-9-carboxamide1796969-70-4C21H15N3O3S
- N-[4-(2-{[(1,3-Dioxo-2,3-dihydro-1H-inden-2-ylidene)methyl]amino}-1,3-thiazol-4-yl)phenyl]acetamide1024569-68-3C21H15N3O3S
- 2-(1,3-Dioxoisoindol-2-yl)-N-(6-methyl-3-prop-2-ynyl-1,3-benzothiazol-2-ylidene)acetamide942011-71-4C21H15N3O3S
- Methyl 4-[(Z)-{6-oxo-2-[(E)-2-phenylethenyl][1,3]thiazolo[3,2-b][1,2,4]triazol-5(6H)-ylidene}methyl]benzoate844822-15-7C21H15N3O3S
- N-(1,3-Benzodioxol-5-ylmethyl)-2-(1,3-benzothiazol-2-yl)pyridine-3-carboxamide873856-37-2C21H15N3O3S
- N-(5-Benzoyl-4-phenylthiazol-2-yl)-3-methylisoxazole-5-carboxamide946286-15-3C21H15N3O3S
- N-{4,6-Dioxa-10-thia-12-azatricyclo[7.3.0.0^{3,7}]dodeca-1(9),2,7,11-tetraen-11-yl}-N-[(pyridin-3-yl)methyl]benzamide895017-85-3C21H15N3O3S
- N-(3-(2,3-Dihydroimidazo[2,1-b]thiazol-6-yl)phenyl)-4-oxo-4H-chromene-2-carboxamide1226446-17-8C21H15N3O3S
- 5-(1,3-Benzothiazol-2-yl)-N-[4-(2-oxoazetidin-1-yl)phenyl]furan-2-carboxamide1808900-60-8C21H15N3O3S
- N-(9H-Fluoren-2-ylcarbamothioyl)-2-nitrobenzamide426217-77-8C21H15N3O3S
- (E)-N-[[4-(1,3-Benzoxazol-2-yl)phenyl]carbamothioyl]-3-(furan-2-yl)prop-2-enamide429646-72-0C21H15N3O3S
- (E)-3-(Furan-2-yl)-N-[(2-phenyl-1,3-benzoxazol-5-yl)carbamothioyl]prop-2-enamide429648-81-7C21H15N3O3S
- N-[2-(1,3-Benzothiazol-2-yl)phenyl]-3-methyl-4-nitrobenzamide642433-46-3C21H15N3O3S
- (2E,4E)-2-[4-(3-Methoxyphenyl)-1,3-thiazol-2-yl]-5-(4-nitrophenyl)penta-2,4-dienenitrile476675-55-5C21H15N3O3S
- 2-(1,3-Benzothiazol-2-yl)-N-(2,3-dihydro-1,4-benzodioxin-6-yl)pyridine-3-carboxamide898647-32-0C21H15N3O3S
- 4-Cyano-N-(4-(7-ethoxybenzofuran-2-yl)thiazol-2-yl)benzamide921870-74-8C21H15N3O3S
- 6-Phenyl-2-{[4-(prop-2-en-1-yloxy)phenyl]methylidene}-2H,3H,7H-[1,3]thiazolo[3,2-b][1,2,4]triazine-3,7-dione518351-48-9C21H15N3O3S
- (2Z)-2-({[4-(Thiophen-3-yl)phenyl]formamido}imino)-2H-chromene-3-carboxamide2640980-61-4C21H15N3O3S
- (9H-Fluoren-9-yl)methyl N-{5-hydroxy-[1,3]thiazolo[5,4-b]pyridin-2-yl}carbamate2764003-43-0C21H15N3O3S
Frequently asked questions
What is the molar mass of C21H15N3O3S?
The molar mass of C21H15N3O3S is 389.43 g/mol, calculated from standard atomic weights for 21 carbon atoms, 15 hydrogen atoms, 3 nitrogen atoms, 3 oxygen atoms and 1 sulfur atom. The monoisotopic mass is 389.0834 Da.
How many compounds have the formula C21H15N3O3S?
CompoundList lists 50 compounds with the molecular formula C21H15N3O3S, including 2-[(4-Nitrobenzyl)sulfanyl]-3-phenyl-4(3H)-quinazolinone, N-[4-(5-Methyl-1,3-benzothiazol-2-yl)phenyl]-4-nitrobenzamide, 2-(Naphthalen-1-yl)-N-(4-(3-nitrophenyl)thiazol-2-yl)acetamide. 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 C21H15N3O3S?
C21H15N3O3S 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.