Molecular formula
C25H22N4O3
94 compounds have this formula on CompoundList.
- Molar mass
- 426.48g/mol
- Monoisotopic mass
- 426.1692Da
- Atoms
- 54
- Elements
- 4
- Rings plus double bonds
- 17
The formula C25H22N4O3 describes a molecule made of 25 carbon atoms, 22 hydrogen atoms, 4 nitrogen atoms and 3 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 × 2570.41%12.011 × 25 = 300.275 g/mol
- H Hydrogen × 225.20%1.008 × 22 = 22.176 g/mol
- N Nitrogen × 413.14%14.007 × 4 = 56.028 g/mol
- O Oxygen × 311.25%15.999 × 3 = 47.997 g/mol
Look up another formula
Compounds with the formula C25H22N4O3
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 94 of 94 compounds
![1-(2,4-Dimethoxyphenyl)-4-(2-phenylethyl)-4H,5H-[1,2,4]triazolo[4,3-a]quinazolin-5-one chemical structure, C25H22N4O3, CAS 866896-56-2](/s/HIGATEYZVFAQKO-UHFFFAOYSA-N.svg)
1-(2,4-Dimethoxyphenyl)-4-(2-phenylethyl)-4H,5H-[1,2,4]triazolo[4,3-a]quinazolin-5-one
CAS 866896-56-2C25H22N4O3
2-Amino-1-(2-cyanophenyl)-4-(2,4-dimethoxyphenyl)-5-oxo-1,4,5,6,7,8-hexahydro-3-quinolinecarbonitrile
CAS 476483-70-2C25H22N4O3
N'-(2-HO-Benzylidene)-3-(2-((4-methylbenzyl)oxy)PH)-1H-pyrazole-5-carbohydrazide
CAS 303106-50-5C25H22N4O3
(E)-3-(4-(Benzyloxy)phenyl)-N'-(4-methoxybenzylidene)-1H-pyrazole-5-carbohydrazide
CAS 403649-46-7C25H22N4O3
N'-(2-HO-Benzylidene)-3-(4-((4-methylbenzyl)oxy)PH)-1H-pyrazole-5-carbohydrazide
CAS 634896-65-4C25H22N4O3
![3-(3,4-Dimethylphenyl)-N'-[(E)-(4-methoxyphenyl)methylidene]-4-oxo-3,4-dihydro-1-phthalazinecarbohydrazide chemical structure, C25H22N4O3, CAS 478045-74-8](/s/PXXBROVSCOXZDO-CVKSISIWSA-N.svg)
3-(3,4-Dimethylphenyl)-N'-[(E)-(4-methoxyphenyl)methylidene]-4-oxo-3,4-dihydro-1-phthalazinecarbohydrazide
CAS 478045-74-8C25H22N4O3
3-(2-(Benzyloxy)phenyl)-N'-(3-methoxybenzylidene)-1H-pyrazole-5-carbohydrazide
CAS 634895-43-5C25H22N4O3
3-(3-(Benzyloxy)phenyl)-N'-(4-methoxybenzylidene)-1H-pyrazole-5-carbohydrazide
CAS 303107-90-6C25H22N4O3
![N,N-Dimethyl-4-[[2-(1-oxo-4-phenylphthalazin-2-yl)acetyl]amino]benzamide chemical structure, C25H22N4O3, CAS 684234-90-0](/s/XPWYDKUIFJWOEW-UHFFFAOYSA-N.svg)
N,N-Dimethyl-4-[[2-(1-oxo-4-phenylphthalazin-2-yl)acetyl]amino]benzamide
CAS 684234-90-0C25H22N4O3
![1-(2-Oxo-2-(5,6,7,8-tetrahydronaphthalen-2-yl)ethyl)-3-(pyridin-3-ylmethyl)pyrido[3,2-d]pyrimidine-2,4(1H,3H)-dione chemical structure, C25H22N4O3, CAS 941908-06-1](/s/AAAWYUFEOJJKAA-UHFFFAOYSA-N.svg)
1-(2-Oxo-2-(5,6,7,8-tetrahydronaphthalen-2-yl)ethyl)-3-(pyridin-3-ylmethyl)pyrido[3,2-d]pyrimidine-2,4(1H,3H)-dione
CAS 941908-06-1C25H22N4O3
![5-(4-Methoxyphenyl)-1,3,8-trimethyl-10-phenylpyrimido[4',5':3,4]pyrrolo[1,2-b]pyridazine-2,4(1H,3H)-dione chemical structure, C25H22N4O3, CAS 663929-15-5](/s/PWMSGEVDFFWLNK-UHFFFAOYSA-N.svg)
5-(4-Methoxyphenyl)-1,3,8-trimethyl-10-phenylpyrimido[4',5':3,4]pyrrolo[1,2-b]pyridazine-2,4(1H,3H)-dione
CAS 663929-15-5C25H22N4O3
![2-(3-Benzyl-8-methyl-4-oxo-3H-pyrimido[5,4-b]indol-5(4H)-yl)-N-(furan-2-ylmethyl)acetamide chemical structure, C25H22N4O3, CAS 1040676-66-1](/s/NLKMRZFOMICMMM-UHFFFAOYSA-N.svg)
2-(3-Benzyl-8-methyl-4-oxo-3H-pyrimido[5,4-b]indol-5(4H)-yl)-N-(furan-2-ylmethyl)acetamide
CAS 1040676-66-1C25H22N4O3
![1-(3-Acetyl-phenyl)-3-(1-methyl-2-oxo-5-phenyl-2,3-dihydro-1H-benzo[e][1,4]diazepin-3-yl)-urea chemical structure, C25H22N4O3, CAS 145878-01-9](/s/MJHZDMPFYMPLDE-UHFFFAOYSA-N.svg)
1-(3-Acetyl-phenyl)-3-(1-methyl-2-oxo-5-phenyl-2,3-dihydro-1H-benzo[e][1,4]diazepin-3-yl)-urea
CAS 145878-01-9C25H22N4O3
6-((6,7-Bis(methoxy)-4-quinolinyl)oxy)-1-methyl-N-phenyl-1H-indazol-3-amine
CAS 862178-83-4C25H22N4O3
N-(2-((2-Methyl-4-oxo-3-(p-tolyl)-3,4-dihydroquinazolin-6-yl)amino)-2-oxoethyl)benzamide
CAS 1105206-53-8C25H22N4O3
![2-(3-Methoxybenzyl)-4-phenethyl-[1,2,4]triazolo[4,3-a]quinazoline-1,5(2H,4H)-dione chemical structure, C25H22N4O3, CAS 1357821-38-5](/s/XJIGMHLGHZRHPJ-UHFFFAOYSA-N.svg)
2-(3-Methoxybenzyl)-4-phenethyl-[1,2,4]triazolo[4,3-a]quinazoline-1,5(2H,4H)-dione
CAS 1357821-38-5C25H22N4O3
![N-(4-Methoxyphenyl)-5-[(4-methylbenzoyl)amino]-1-phenylpyrazole-4-carboxamide chemical structure, C25H22N4O3, CAS 397853-16-6](/s/YIBUUHCRQYRWMB-UHFFFAOYSA-N.svg)
N-(4-Methoxyphenyl)-5-[(4-methylbenzoyl)amino]-1-phenylpyrazole-4-carboxamide
CAS 397853-16-6C25H22N4O3
![4-(4-Hydroxyphenyl)-N-(2-methoxyphenyl)-2-methyl-1,4-dihydropyrimido[1,2-a]benzimidazole-3-carboxamide chemical structure, C25H22N4O3, CAS 879079-49-9](/s/KUTQGWOWJYFMIS-UHFFFAOYSA-N.svg)
4-(4-Hydroxyphenyl)-N-(2-methoxyphenyl)-2-methyl-1,4-dihydropyrimido[1,2-a]benzimidazole-3-carboxamide
CAS 879079-49-9C25H22N4O3
Orb1687729
CAS 2765301-88-8C25H22N4O3
N-tert-Butyl-1,3-dioxo-2-(4-phenyldiazenylphenyl)isoindole-5-carboxamide
CAS 667435-11-2C25H22N4O3
![N-(3-tert-Butyl-1-methyl-4-oxoindeno[1,2-c]pyrazol-6-yl)-2-(1H-indol-3-yl)-2-oxoacetamide chemical structure, C25H22N4O3, CAS 1024523-22-5](/s/PWPFFCMQAVGBDB-UHFFFAOYSA-N.svg)
N-(3-tert-Butyl-1-methyl-4-oxoindeno[1,2-c]pyrazol-6-yl)-2-(1H-indol-3-yl)-2-oxoacetamide
CAS 1024523-22-5C25H22N4O3
(E)-N'-(3-Hydroxybenzylidene)-3-(2-((4-methylbenzyl)oxy)phenyl)-1H-pyrazole-5-carbohydrazide
CAS 634897-85-1C25H22N4O3
N-(3-(4-Amino-6-(4-phenoxyphenoxy)pyrimidin-5-yl)phenyl)propionamide
CAS 1415824-43-9C25H22N4O3
![(4-Nitrophenyl)-(1',3',3'-trimethylspiro[chromene-2,2'-indole]-6-yl)diazene chemical structure, C25H22N4O3, CAS 52607-60-0](/s/FCPVYJHIHOWVNE-UHFFFAOYSA-N.svg)
(4-Nitrophenyl)-(1',3',3'-trimethylspiro[chromene-2,2'-indole]-6-yl)diazene
CAS 52607-60-0C25H22N4O3
- 3-Phenyl-7-(4-phenylpiperazine-1-carbonyl)quinazoline-2,4(1H,3H)-dione892295-73-7C25H22N4O3
- 2-(4-Methoxyphenyl)-5-((5-methyl-2-(p-tolyl)oxazol-4-yl)methyl)pyrazolo[1,5-a]pyrazin-4(5H)-one941899-18-9C25H22N4O3
- 1-(2-Oxo-2-(5,6,7,8-tetrahydronaphthalen-2-yl)ethyl)-3-(pyridin-4-ylmethyl)pyrido[3,2-d]pyrimidine-2,4(1H,3H)-dione941990-17-6C25H22N4O3
- 1-[5-(Furan-2-yl)-3'-(4-methoxyphenyl)-1'-phenyl-3,4-dihydro-1'H,2H-[3,4'-bipyrazole]-2-yl]ethan-1-one1020478-23-2C25H22N4O3
- (E)-4-Methoxy-N'-((3-(3-methoxyphenyl)-1-phenyl-1H-pyrazol-4-yl)methylene)benzohydrazide1173429-30-5C25H22N4O3
- 1-(4-(2-Oxopyrrolidin-1-yl)benzyl)-5-(3-(m-tolyl)-1,2,4-oxadiazol-5-yl)pyridin-2(1H)-one1251588-98-3C25H22N4O3
- 1-[2-(3,4-Dihydroquinolin-1(2H)-yl)-2-oxoethyl]-5-[3-(3-methylphenyl)-1,2,4-oxadiazol-5-yl]pyridin-2(1H)-one1326944-33-5C25H22N4O3
- N-(3-((6-Amino-5-(4-phenoxyphenyl)pyrimidin-4-yl)oxy)phenyl)propionamide1415824-44-0C25H22N4O3
- N-(4-((6-Amino-5-(4-phenoxyphenyl)pyrimidin-4-yl)oxy)phenyl)propionamide1415824-30-4C25H22N4O3
- N'-(3-Methoxybenzoyl)-5-methyl-1,3-diphenylpyrazole-4-carbohydrazide514839-23-7C25H22N4O3
- Methyl {3-[(1E)-2-cyano-3-{[2-(1H-indol-3-yl)ethyl]amino}-3-oxoprop-1-en-1-yl]-1H-indol-1-yl}acetate638992-77-5C25H22N4O3
- 4-(4-Methylphenyl)-2-(2-nitro-5-pyrrolidin-1-ylphenyl)phthalazin-1-one591726-36-2C25H22N4O3
- Morpholine, 4-(4-((4-oxo-2-phenyl-3(4H)-quinazolinyl)amino)benzoyl)-131604-10-9C25H22N4O3
- 1-(3-Methoxypropyl)-N-(naphthalen-1-yl)-4-oxo-1,4-dihydropyrido[1,2-a]pyrrolo[2,3-d]pyrimidine-2-carboxamide902030-70-0C25H22N4O3
- 1-(3'-(Furan-2-yl)-5-(4-methoxyphenyl)-1'-phenyl-3,4-dihydro-1'H,2H-[3,4'-bipyrazol]-2-yl)ethanone1020051-86-8C25H22N4O3
- 5-{[2-(4-Methoxyphenyl)-5-methyl-1,3-oxazol-4-yl]methyl}-2-(4-methylphenyl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one1021261-47-1C25H22N4O3
- 5-{[2-(2-Methoxyphenyl)-5-methyl-1,3-oxazol-4-yl]methyl}-2-(4-methylphenyl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one1021224-22-5C25H22N4O3
- 4-[2-Methyl-4-oxo-6-(prop-2-en-1-yloxy)quinazolin-3(4H)-yl]-N-(pyridin-2-ylmethyl)benzamide1081119-63-2C25H22N4O3
- 3-(4-(6-(p-Tolyl)pyridazin-3-yl)piperazine-1-carbonyl)-2H-chromen-2-one1021130-85-7C25H22N4O3
- 7-Methyl-4-oxo-1-(2-oxo-2-(o-tolylamino)ethyl)-N-phenyl-1,4-dihydro-1,8-naphthyridine-3-carboxamide1251672-13-5C25H22N4O3
- 7-Methyl-4-oxo-1-(2-oxo-2-(m-tolylamino)ethyl)-N-phenyl-1,4-dihydro-1,8-naphthyridine-3-carboxamide1251611-02-5C25H22N4O3
- 1-(2-(Benzylamino)-2-oxoethyl)-7-methyl-4-oxo-N-phenyl-1,4-dihydro-1,8-naphthyridine-3-carboxamide1251563-46-8C25H22N4O3
- 7-Methyl-4-oxo-1-(2-oxo-2-(phenylamino)ethyl)-N-(p-tolyl)-1,4-dihydro-1,8-naphthyridine-3-carboxamide1251611-65-0C25H22N4O3
- 7-Methyl-4-oxo-1-(2-oxo-2-(phenylamino)ethyl)-N-(m-tolyl)-1,4-dihydro-1,8-naphthyridine-3-carboxamide1251569-31-9C25H22N4O3
- 1-(4-(2-Oxopyrrolidin-1-yl)benzyl)-5-(3-(p-tolyl)-1,2,4-oxadiazol-5-yl)pyridin-2(1H)-one1251598-57-8C25H22N4O3
- 1-(4-Benzamidobenzyl)-N-(2-methoxyphenyl)-1H-imidazole-4-carboxamide1251683-80-3C25H22N4O3
- 1-(4-Benzamidobenzyl)-N-(3-methoxyphenyl)-1H-imidazole-4-carboxamide1251676-71-7C25H22N4O3
- 1-(4-(3-Methoxybenzamido)benzyl)-N-phenyl-1H-imidazole-4-carboxamide1251594-67-8C25H22N4O3
- 1-(4-(2-Methoxybenzamido)benzyl)-N-phenyl-1H-imidazole-4-carboxamide1251623-72-9C25H22N4O3
- 2-(2-Methoxyphenyl)-5-((5-methyl-2-(p-tolyl)oxazol-4-yl)methyl)pyrazolo[1,5-a]pyrazin-4(5H)-one1359017-09-6C25H22N4O3
- 2-(4-Methoxyphenyl)-5-((5-methyl-2-(o-tolyl)oxazol-4-yl)methyl)pyrazolo[1,5-a]pyrazin-4(5H)-one1359483-60-5C25H22N4O3
- 2-(4-Ethoxyphenyl)-5-((5-methyl-2-phenyloxazol-4-yl)methyl)pyrazolo[1,5-a]pyrazin-4(5H)-one1358830-74-6C25H22N4O3
- 5-((2-(4-Ethoxyphenyl)-5-methyloxazol-4-yl)methyl)-2-phenylpyrazolo[1,5-a]pyrazin-4(5H)-one1358482-04-8C25H22N4O3
- 5-((2-(2-Ethoxyphenyl)-5-methyloxazol-4-yl)methyl)-2-phenylpyrazolo[1,5-a]pyrazin-4(5H)-one1359030-94-6C25H22N4O3
- N-(7-(Benzofuran-5-yl)-2-methylpyrazolo[1,5-a]pyrimidin-5-yl)-4-(2-hydroxypropan-2-yl)benzamide1190194-63-8C25H22N4O3
- N-[4-({Imidazo[1,2-a]pyridin-2-yl}methoxy)phenyl]-4-[(prop-2-enamido)methyl]benzamide1625474-86-3C25H22N4O3
- 4-(5,11-Dioxo-6a,11-dihydroisoindolo[2,1-a]quinazolin-6(5H)-yl)-N-(pyridin-2-ylmethyl)butanamide1630865-18-7C25H22N4O3
- Ethyl 2-[[(E)-3-phenylprop-2-enoyl]amino]-1-prop-2-enylpyrrolo[3,2-b]quinoxaline-3-carboxylate372501-26-3C25H22N4O3
- 3-{(Z)-[3-Nitro-4-(4-phenylpiperazino)phenyl]methylidene}-1H-indol-2-one866041-12-5C25H22N4O3
- 1-(2-Oxo-2-(5,6,7,8-tetrahydronaphthalen-2-yl)ethyl)-3-(pyridin-2-ylmethyl)pyrido[3,2-d]pyrimidine-2,4(1H,3H)-dione941901-31-1C25H22N4O3
- 1-[2-(2,3-Dihydro-1H-indol-1-yl)-2-oxoethyl]-3-(2-phenylethyl)-1H,2H,3H,4H-pyrido[3,2-d]pyrimidine-2,4-dione921549-59-9C25H22N4O3
- 3-Benzyl-1-(2-(3,4-dihydroquinolin-1(2H)-yl)-2-oxoethyl)pyrido[3,2-d]pyrimidine-2,4(1H,3H)-dione921873-59-8C25H22N4O3
- 4-[2-Methyl-4-oxo-6-(prop-2-en-1-yloxy)quinazolin-3(4H)-yl]-N-(pyridin-4-ylmethyl)benzamide1040713-27-6C25H22N4O3
- 7-Methyl-4-oxo-1-(2-oxo-2-(p-tolylamino)ethyl)-N-phenyl-1,4-dihydro-1,8-naphthyridine-3-carboxamide1251597-33-7C25H22N4O3
- 1-(4-Benzamidobenzyl)-N-(4-methoxyphenyl)-1H-imidazole-4-carboxamide1251597-86-0C25H22N4O3
- Methyl 3-{[4-(5,6-dimethyl-2-pyridin-2-ylpyridin-3-yl)oxypyridin-2-yl]amino}benzoate1117686-25-5C25H22N4O3
- N-(3,3-Diphenylpropyl)-2-(isonicotinamido)oxazole-4-carboxamide1797845-61-4C25H22N4O3
- 1-(1-Methyl-2-oxo-5-phenyl-2,3-dihydro-1H-1,4-diazepin-3-yl)-3-(4-acetylphenyl)urea1796916-03-4C25H22N4O3
- N-(2-(Imidazo[1,2-a]pyridin-2-yl)phenyl)-1-(3-methoxyphenyl)-5-oxopyrrolidine-3-carboxamide1795197-97-5C25H22N4O3
- 4-(6-(4-Methyl-1-piperazinyl)(2,6'-bibenzoxazol)-2'-yl)-phenol126824-06-4C25H22N4O3
- (E)-3-[3-(1-Benzofuran-2-yl)-1-phenylpyrazol-4-yl]-2-cyano-N-(3-methoxypropyl)prop-2-enamide956040-46-3C25H22N4O3
- Benzoic acid, 2-[2-[4-(dimethylamino)phenyl]diazenyl]-, 2-(1H-indol-3-yl)-2-oxoethyl ester731780-46-4C25H22N4O3
- 2-Cyano-3-{4-[methyl(phenyl)amino]-3-nitrophenyl}-N-(2-phenylethyl)prop-2-enamide568574-11-8C25H22N4O3
- N-[4-[4-(1-Benzofuran-2-carbonyl)piperazin-1-yl]phenyl]pyridine-3-carboxamide887693-58-5C25H22N4O3
- N-(2-(3,4,5-Trimethoxyphenyl)-1H-pyrrolo[2,3-b]pyridin-4-yl)quinolin-3-amine913168-12-4C25H22N4O3
- 1-Benzyl-3-(benzyloxy)-N-(4-carbamoylphenyl)-1H-pyrazole-4-carboxamide1014067-18-5C25H22N4O3
- 3-Isoxazolecarboxamide, 5-(4-methoxyphenyl)-N-[2-methyl-4-[2-(2-methylphenyl)diazenyl]phenyl]-898497-51-3C25H22N4O3
- (E)-N'-((5-Hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)(phenyl)methylene)-4-methoxybenzohydrazide312310-53-5C25H22N4O3
- 2-(Biphenyl-4-yloxy)-N'-[(E)-(5-hydroxy-3-methyl-1-phenyl-1H-pyrazol-4-yl)methylidene]acetohydrazide386749-13-9C25H22N4O3
- 6-Benzyl-4a-(4-hydroxyphenyl)-3-[(4-hydroxyphenyl)methyl]-1,5-dihydroimidazo[1,2-b][1,2,4]triazin-2-one6917-22-2C25H22N4O3
- 1H-Pyrazole-4-carboxamide, 1-(4-nitrophenyl)-N,5-diphenyl-3-propyl-61261-95-8C25H22N4O3
- 7-(2,5-Dimethoxyphenyl)-2-ethyl-3-phenylpyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one1015554-15-0C25H22N4O3
- 2-Ethyl-7-(3-methoxyphenyl)-3-(4-methoxyphenyl)pyrazolo[1,5-a]pyrido[3,4-e]pyrimidin-6(7H)-one1040689-56-2C25H22N4O3
- Methyl 3-[[[6-amino-5-(4-phenoxyphenyl)-4-pyrimidinyl]amino]methyl]benzoate1415822-52-4C25H22N4O3
- N-[4-[[5-(Cyclopropylmethoxy)-7-oxo-8H-1,8-naphthyridin-4-yl]amino]phenyl]benzamide1203510-28-4C25H22N4O3
- 4-[6-(4-Methylpiperazin-1-yl)[2,5'-bi-1,3-benzoxazol]-2'(3'H)-ylidene]cyclohexa-2,5-dien-1-one189007-60-1C25H22N4O3
- (2Z)-7-[4-(Dimethylamino)phenyl]-2-[(phenylformamido)imino]-2H-chromene-3-carboxamide2640980-63-6C25H22N4O3
- (9H-Fluoren-9-yl)methyl N-[1-(2-hydroxyethyl)-3-(pyridin-3-yl)-1H-pyrazol-5-yl]carbamate2763915-36-0C25H22N4O3
- (9H-Fluoren-9-yl)methyl N-[1-benzyl-4-(hydroxymethyl)-1H-1,2,3-triazol-5-yl]carbamate2763946-32-1C25H22N4O3
- 1-(6,11-Dihydro-2,11a-diazadibenzo[cd,g]azulen-6-yl)-5-hydroxy-3,3-dimethyl-2,3-dihydro-1H-pyrido[1,2-b]pyridazine-4,6-dione2489249-52-5C25H22N4O3
Frequently asked questions
What is the molar mass of C25H22N4O3?
The molar mass of C25H22N4O3 is 426.48 g/mol, calculated from standard atomic weights for 25 carbon atoms, 22 hydrogen atoms, 4 nitrogen atoms and 3 oxygen atoms. The monoisotopic mass is 426.1692 Da.
How many compounds have the formula C25H22N4O3?
CompoundList lists 94 compounds with the molecular formula C25H22N4O3, including 1-(2,4-Dimethoxyphenyl)-4-(2-phenylethyl)-4H,5H-[1,2,4]triazolo[4,3-a]quinazolin-5-one, 2-Amino-1-(2-cyanophenyl)-4-(2,4-dimethoxyphenyl)-5-oxo-1,4,5,6,7,8-hexahydro-3-quinolinecarbonitrile, N'-(2-HO-Benzylidene)-3-(2-((4-methylbenzyl)oxy)PH)-1H-pyrazole-5-carbohydrazide. 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 C25H22N4O3?
C25H22N4O3 has a degree of unsaturation of 17. 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.