Molecular formula
C21H17N5O2
54 compounds have this formula on CompoundList.
- Molar mass
- 371.40g/mol
- Monoisotopic mass
- 371.1382Da
- Atoms
- 45
- Elements
- 4
- Rings plus double bonds
- 16
The formula C21H17N5O2 describes a molecule made of 21 carbon atoms, 17 hydrogen atoms, 5 nitrogen atoms and 2 oxygen atoms. 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 × 2167.91%12.011 × 21 = 252.231 g/mol
- H Hydrogen × 174.61%1.008 × 17 = 17.136 g/mol
- N Nitrogen × 518.86%14.007 × 5 = 70.035 g/mol
- O Oxygen × 28.62%15.999 × 2 = 31.998 g/mol
Look up another formula
Compounds with the formula C21H17N5O2
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 54 of 54 compounds
Vuf5574
CAS 280570-45-8C21H17N5O2
![1,3-Dimethyl-7,8-diphenyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione chemical structure, C21H17N5O2, CAS 36184-12-0](/s/QNOZYVNQDBMUMS-UHFFFAOYSA-N.svg)
1,3-Dimethyl-7,8-diphenyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione
CAS 36184-12-0C21H17N5O2
![2-(Benzotriazol-1-yl)-N-[(E)-(3-phenoxyphenyl)methylideneamino]acetamide chemical structure, C21H17N5O2, CAS 305353-49-5](/s/YZGLJMCIEDXCQS-HYARGMPZSA-N.svg)
2-(Benzotriazol-1-yl)-N-[(E)-(3-phenoxyphenyl)methylideneamino]acetamide
CAS 305353-49-5C21H17N5O2
![1-(1H-Indol-3-ylacetyl)-7-methoxy-1H-pyrazolo[3,4-b]quinolin-3-amine chemical structure, C21H17N5O2, CAS 902516-75-0](/s/RULKJOIVCPGCMR-UHFFFAOYSA-N.svg)
1-(1H-Indol-3-ylacetyl)-7-methoxy-1H-pyrazolo[3,4-b]quinolin-3-amine
CAS 902516-75-0C21H17N5O2
![6-Amino-4-(2-hydroxy-3-methoxyphenyl)-3-methyl-1-phenyl-1H-pyrazolo[3,4-b]pyridine-5-carbonitrile chemical structure, C21H17N5O2, CAS 885179-18-0](/s/GEZLGTDWJODBNX-UHFFFAOYSA-N.svg)
6-Amino-4-(2-hydroxy-3-methoxyphenyl)-3-methyl-1-phenyl-1H-pyrazolo[3,4-b]pyridine-5-carbonitrile
CAS 885179-18-0C21H17N5O2
![2-Amino-7-methyl-5-oxo-4-pyridin-3-yl-6-(pyridin-3-ylmethyl)-4H-pyrano[3,2-c]pyridine-3-carbonitrile chemical structure, C21H17N5O2, CAS 612049-26-0](/s/PPNKKJJZRKHOEU-UHFFFAOYSA-N.svg)
2-Amino-7-methyl-5-oxo-4-pyridin-3-yl-6-(pyridin-3-ylmethyl)-4H-pyrano[3,2-c]pyridine-3-carbonitrile
CAS 612049-26-0C21H17N5O2
![7,9-Dimethyl-11-(3-methylphenyl)pyrimido[4',5':3,4]pyrrolo[2,1-c][1,2,4]benzotriazine-8,10(7H,9H)-dione chemical structure, C21H17N5O2, CAS 694517-83-4](/s/FUKHHETYTFAPRM-UHFFFAOYSA-N.svg)
7,9-Dimethyl-11-(3-methylphenyl)pyrimido[4',5':3,4]pyrrolo[2,1-c][1,2,4]benzotriazine-8,10(7H,9H)-dione
CAS 694517-83-4C21H17N5O2
N-(3-Cyanopyrimido(1,2-A)benzimidazol-2-yl)-2-isopropoxybenzamide
CAS 303059-24-7C21H17N5O2
(E)-2-Methoxy-6-((2-(2-(pyridin-3-yl)quinazolin-4-yl)hydrazono)methyl)phenol
CAS 380887-50-3C21H17N5O2
Grossularine 2
CAS 102488-58-4C21H17N5O2
![1-Methyl-8-(3-methylphenyl)-7-phenyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione chemical structure, C21H17N5O2, CAS 304871-22-5](/s/OBFAXDNABHPVGA-UHFFFAOYSA-N.svg)
1-Methyl-8-(3-methylphenyl)-7-phenyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione
CAS 304871-22-5C21H17N5O2
2,5-Pyrrolidinedione, 1-(5,7-diphenyl-4,7-dihydro-(1,2,4)triazolo(1,5-a)pyrimidin-2-yl)-
CAS 171668-01-2C21H17N5O2
1-(2-Methoxy-phenyl)-3-(2-pyridin-2-yl-quinazolin-4-yl)-urea
CAS 280138-92-3C21H17N5O2
![N-{4-[(1-Phenyl-1H-tetrazol-5-yl)methoxy]phenyl}benzamide chemical structure, C21H17N5O2, CAS 898653-06-0](/s/ASKNARKSWSNHJM-UHFFFAOYSA-N.svg)
N-{4-[(1-Phenyl-1H-tetrazol-5-yl)methoxy]phenyl}benzamide
CAS 898653-06-0C21H17N5O2
![2-[4-(6-Acetamidopyridin-3-yl)phenyl]-1H-1,3-benzodiazole-4-carboxamide chemical structure, C21H17N5O2, CAS 1799734-24-9](/s/IDCCOLQNWZKEFQ-UHFFFAOYSA-N.svg)
2-[4-(6-Acetamidopyridin-3-yl)phenyl]-1H-1,3-benzodiazole-4-carboxamide
CAS 1799734-24-9C21H17N5O2
![7-(2-Furyl)-2-[(4-methylquinazolin-2-yl)amino]-7,8-dihydroquinazolin-5(6H)-one chemical structure, C21H17N5O2, CAS 713083-55-7](/s/SOWMNGYOGMGOPK-UHFFFAOYSA-N.svg)
7-(2-Furyl)-2-[(4-methylquinazolin-2-yl)amino]-7,8-dihydroquinazolin-5(6H)-one
CAS 713083-55-7C21H17N5O2
![1-Methyl-7-phenyl-8-(o-tolyl)-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione chemical structure, C21H17N5O2, CAS 633281-75-1](/s/CNKIWLANOGPDIU-UHFFFAOYSA-N.svg)
1-Methyl-7-phenyl-8-(o-tolyl)-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione
CAS 633281-75-1C21H17N5O2
![2-Amino-7-methyl-5-oxo-4-(pyridin-3-yl)-6-(pyridin-2-ylmethyl)-5,6-dihydro-4H-pyrano[3,2-c]pyridine-3-carbonitrile chemical structure, C21H17N5O2, CAS 758700-78-6](/s/FSOXJGFDUNIVOR-UHFFFAOYSA-N.svg)
2-Amino-7-methyl-5-oxo-4-(pyridin-3-yl)-6-(pyridin-2-ylmethyl)-5,6-dihydro-4H-pyrano[3,2-c]pyridine-3-carbonitrile
CAS 758700-78-6C21H17N5O2
![Ethyl 7-(4-cyanophenyl)-5-phenyl-4,7-dihydro[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate chemical structure, C21H17N5O2, CAS 694502-35-7](/s/LBCRBDBVUCMIII-UHFFFAOYSA-N.svg)
Ethyl 7-(4-cyanophenyl)-5-phenyl-4,7-dihydro[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxylate
CAS 694502-35-7C21H17N5O2
![4-Methyl-6-(4-methylphenyl)-7-phenylpurino[7,8-a]imidazole-1,3-dione chemical structure, C21H17N5O2, CAS 85592-10-5](/s/FUSBOARLBOHMJH-UHFFFAOYSA-N.svg)
4-Methyl-6-(4-methylphenyl)-7-phenylpurino[7,8-a]imidazole-1,3-dione
CAS 85592-10-5C21H17N5O2
![7,9-Dimethyl-11-(4-methylphenyl)pyrimido[4',5':3,4]pyrrolo[2,1-c][1,2,4]benzotriazine-8,10(7H,9H)-dione chemical structure, C21H17N5O2, CAS 573935-67-8](/s/LIKQXXFPNIUVTE-UHFFFAOYSA-N.svg)
7,9-Dimethyl-11-(4-methylphenyl)pyrimido[4',5':3,4]pyrrolo[2,1-c][1,2,4]benzotriazine-8,10(7H,9H)-dione
CAS 573935-67-8C21H17N5O2
![5-(2-(Indolin-1-yl)-2-oxoethyl)-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one chemical structure, C21H17N5O2, CAS 842970-91-6](/s/ROKRYJVFFDXRSX-UHFFFAOYSA-N.svg)
5-(2-(Indolin-1-yl)-2-oxoethyl)-1-phenyl-1H-pyrazolo[3,4-d]pyrimidin-4(5H)-one
CAS 842970-91-6C21H17N5O2
![4-((4-Oxobenzo[d][1,2,3]triazin-3(4H)-yl)methyl)-N-(pyridin-2-ylmethyl)benzamide chemical structure, C21H17N5O2, CAS 440330-47-2](/s/TZESXRMGLLSOJO-UHFFFAOYSA-N.svg)
4-((4-Oxobenzo[d][1,2,3]triazin-3(4H)-yl)methyl)-N-(pyridin-2-ylmethyl)benzamide
CAS 440330-47-2C21H17N5O2
1-Methyl-N-(2-(6-oxo-1,6-dihydropyridazin-3-yl)phenyl)-3-phenyl-1H-pyrazole-5-carboxamide
CAS 1428366-07-7C21H17N5O2
- Pkmyt1-IN-13033609-83-2C21H17N5O2
- N-(2-(2-(1H-Benzo[d]imidazol-1-yl)acetamido)phenyl)picolinamide1206992-66-6C21H17N5O2
- 2-(Naphthalen-1-yl)-1-(3-(3-(pyrazin-2-yl)-1,2,4-oxadiazol-5-yl)azetidin-1-yl)ethanone1324507-24-5C21H17N5O2
- 5-[3-(1H-Pyrazol-1-yl)benzoyl]-1,5,9-triazatricyclo[8.4.0.0^{3,8}]tetradeca-3(8),9,11,13-tetraen-2-one2034412-89-8C21H17N5O2
- 5-Methyl-3-phenyl-N'-[(3-phenyl-1H-pyrazol-4-yl)methylene]-4-isoxazolecarbohydrazide490032-41-2C21H17N5O2
- 2-(3,5-Dimethyl-1H-pyrazol-1-yl)-5-nitro-4,6-diphenylpyrimidine484647-27-0C21H17N5O2
- (4-(1H-Pyrrol-1-yl)phenyl)(3-(3-(pyridin-2-yl)-1,2,4-oxadiazol-5-yl)azetidin-1-yl)methanone1251562-76-1C21H17N5O2
- 7-(3,4-Dihydroisoquinolin-2(1H)-yl)-3-phenylpyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione1396844-20-4C21H17N5O2
- 7-(2,3-Dihydro-1H-inden-1-ylamino)-3-phenylpyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione1396686-70-6C21H17N5O2
- N-[1-(3-Phenyl-2,1-benzoxazole-5-carbonyl)azetidin-3-yl]pyrimidin-4-amine2097868-55-6C21H17N5O2
- 2-[[4-(Benzotriazol-1-ylmethyl)benzoyl]amino]benzamide692768-84-6C21H17N5O2
- N-(4-Oxo-1-(p-tolyl)-1H-pyrazolo[3,4-d]pyrimidin-5(4H)-yl)cinnamamide899737-37-2C21H17N5O2
- N-[4-(Benzyloxy)phenyl]-2-(1H-tetrazol-1-yl)benzamide1081134-13-5C21H17N5O2
- N-[4-Methoxy-3-(1H-tetrazol-1-yl)phenyl]biphenyl-4-carboxamide1190276-42-6C21H17N5O2
- N-[5-(5,6,7,8-Tetrahydronaphthalen-2-yl)-1,3,4-oxadiazol-2-yl]quinoxaline-2-carboxamide1251544-02-1C21H17N5O2
- N-(4-(3-(2-Methoxypyridin-3-yl)pyrazin-2-yloxy)phenyl)pyridin-2-amine1231923-29-7C21H17N5O2
- N-(5-(7-Methoxyquinolin-4-ylamino)pyrimidin-2-yl)benzamide1071540-36-7C21H17N5O2
- 2-Phenyl-N-(3-(pyridin-2-yloxy)benzyl)-2H-1,2,3-triazole-4-carboxamide1705412-26-5C21H17N5O2
- N-({[2,3'-Bipyridine]-4-yl}methyl)-2-(4-oxo-3,4-dihydroquinazolin-3-yl)acetamide2034268-02-3C21H17N5O2
- (4-(3-(Azetidin-3-yl)pyrazin-2-yloxy)phenyl)(1H-benzo[d]imidazol-2-yl)methanone1227068-93-0C21H17N5O2
- 4,4'-(2-(4-Nitrophenyl)-1H-imidazole-4,5-diyl)dianiline171861-33-9C21H17N5O2
- N-[4-[[3-(2-Methoxy-4-pyridinyl)-2-pyrazinyl]oxy]phenyl]-2-pyridinamine1231923-18-4C21H17N5O2
- 3,3'-((6-Phenyl-1,3,5-triazine-2,4-diyl)bis(oxy))dianiline89367-94-2C21H17N5O2
- 4,4'-((6-Phenyl-1,3,5-triazine-2,4-diyl)bis(oxy))dianiline89367-95-3C21H17N5O2
- 6-(3-Aminophenoxy)-5-(6-phenoxy-3-pyridinyl)-4-pyrimidinamine1415825-40-9C21H17N5O2
- 3-Pyridinecarbonitrile, 1,2,5,6-tetrahydro-1,4-dimethyl-2,6-dioxo-5-[[[4-(2-phenyldiazenyl)phenyl]amino]methylene]-882102-41-2C21H17N5O2
- 2-[1-(1H-Indole-3-carbonyl)azetidin-3-yl]-6-(pyridin-4-yl)-2,3-dihydropyridazin-3-one2380194-51-2C21H17N5O2
- 3-(2-Oxo-2-{6H,7H,8H,9H-pyrido[2,3-b]1,6-naphthyridin-7-yl}ethyl)-3,4-dihydroquinazolin-4-one2770597-13-0C21H17N5O2
- N-[3-[[8-(3-Hydroxyphenyl)-[1,2,4]triazolo[1,5-a]pyridin-2-yl]amino]phenyl]prop-2-enamide3067170-12-8C21H17N5O2
- 1,6-Dimethyl-3-(4-styrylphenyl)pyrimido[5,4-e][1,2,4]triazine-5,7(1H,6H)-dione1055711-28-8C21H17N5O2
Frequently asked questions
What is the molar mass of C21H17N5O2?
The molar mass of C21H17N5O2 is 371.40 g/mol, calculated from standard atomic weights for 21 carbon atoms, 17 hydrogen atoms, 5 nitrogen atoms and 2 oxygen atoms. The monoisotopic mass is 371.1382 Da.
How many compounds have the formula C21H17N5O2?
CompoundList lists 54 compounds with the molecular formula C21H17N5O2, including Vuf5574, 1,3-Dimethyl-7,8-diphenyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione, 2-(Benzotriazol-1-yl)-N-[(E)-(3-phenoxyphenyl)methylideneamino]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 C21H17N5O2?
C21H17N5O2 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.