Molecular formula
C25H23N3O5
178 compounds have this formula on CompoundList.
- Molar mass
- 445.48g/mol
- Monoisotopic mass
- 445.1638Da
- Atoms
- 56
- Elements
- 4
- Rings plus double bonds
- 16
The formula C25H23N3O5 describes a molecule made of 25 carbon atoms, 23 hydrogen atoms, 3 nitrogen atoms and 5 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 × 2567.41%12.011 × 25 = 300.275 g/mol
- H Hydrogen × 235.20%1.008 × 23 = 23.184 g/mol
- N Nitrogen × 39.43%14.007 × 3 = 42.021 g/mol
- O Oxygen × 517.96%15.999 × 5 = 79.995 g/mol
Look up another formula
Compounds with the formula C25H23N3O5
Isomers we list, best known first. Open one to see its structure, properties, safety data and suppliers.
Showing 1 to 100 of 178 compounds
![D-Phenylalanine, 4-[(aminocarbonyl)amino]-N-[(9H-fluoren-9-ylmethoxy)carbonyl]- chemical structure, C25H23N3O5, CAS 324017-22-3](/s/HFPDOFBZCSQAEJ-JOCHJYFZSA-N.svg)
D-Phenylalanine, 4-[(aminocarbonyl)amino]-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-
CAS 324017-22-3C25H23N3O5
3-(3,4-Dimethoxyphenyl)-2,4-dioxo-N-phenethyl-1,2,3,4-tetrahydroquinazoline-7-carboxamide
CAS 892296-52-5C25H23N3O5
(3,5-Dinitrophenyl)(2,2,4-trimethyl-4-phenyl-3,4-dihydroquinolin-1(2H)-yl)methanone
CAS 300589-85-9C25H23N3O5
2-Methoxy-4-(2-(oxo(4-toluidino)acetyl)carbohydrazonoyl)phenyl 4-methylbenzoate
CAS 765276-31-1C25H23N3O5
Methyl 4-((2-(2-(oxo(4-toluidino)acetyl)carbohydrazonoyl)phenoxy)methyl)benzoate
CAS 881840-16-0C25H23N3O5
Methyl 4-((2-(2-(oxo(2-toluidino)acetyl)carbohydrazonoyl)phenoxy)methyl)benzoate
CAS 881664-30-8C25H23N3O5
2-Ethoxy-4-(2-(oxo(4-toluidino)acetyl)carbohydrazonoyl)phenyl benzoate
CAS 769152-98-9C25H23N3O5
2-Ethoxy-4-(2-(oxo(3-toluidino)acetyl)carbohydrazonoyl)phenyl benzoate
CAS 765288-70-8C25H23N3O5
4-(2-(Anilino(oxo)acetyl)carbohydrazonoyl)phenyl 4-propoxybenzoate
CAS 881683-66-5C25H23N3O5
4-(2-(Oxo(4-toluidino)acetyl)carbohydrazonoyl)phenyl 4-ethoxybenzoate
CAS 769147-70-8C25H23N3O5
4-(2-(Oxo(3-toluidino)acetyl)carbohydrazonoyl)phenyl 4-ethoxybenzoate
CAS 767334-00-9C25H23N3O5
2-Methoxy-4-(2-(((4-methylbenzoyl)amino)acetyl)carbohydrazonoyl)phenyl benzoate
CAS 881463-89-4C25H23N3O5
4-(2-((4-Ethylanilino)(oxo)acetyl)carbohydrazonoyl)-2-methoxyphenyl benzoate
CAS 881843-36-3C25H23N3O5
![N-(2-(7-Methoxy-1,8-dioxo-3,4-dihydro-1H-pyrido[1,2-a]pyrazin-2(8H)-yl)ethyl)-9H-xanthene-9-carboxamide chemical structure, C25H23N3O5, CAS 1040661-33-3](/s/FBKVQHUJHVBWAW-UHFFFAOYSA-N.svg)
N-(2-(7-Methoxy-1,8-dioxo-3,4-dihydro-1H-pyrido[1,2-a]pyrazin-2(8H)-yl)ethyl)-9H-xanthene-9-carboxamide
CAS 1040661-33-3C25H23N3O5
3,4,5-Trimethoxy-N-(1-methyl-4-oxo-3-(pyridin-2-yl)-1,4-dihydroquinolin-2-yl)benzamide
CAS 883964-62-3C25H23N3O5
![N-(1-{[2-(4-Hydroxy-3,5-dimethoxybenzylidene)hydrazino]carbonyl}-2-phenylvinyl)benzamide chemical structure, C25H23N3O5, CAS 5623-34-7](/s/FNYFSVWJEDFLBU-LZJHMVIHSA-N.svg)
N-(1-{[2-(4-Hydroxy-3,5-dimethoxybenzylidene)hydrazino]carbonyl}-2-phenylvinyl)benzamide
CAS 5623-34-7C25H23N3O5
![1-[1-[[(3a(2)-Nitro[1,1a(2)-biphenyl]-4-yl)oxy]methyl]-3-(4-pyridinyl)propyl]-2,5-pyrrolidinedione chemical structure, C25H23N3O5, CAS 227088-95-1](/s/JANZXFNVGRNHEL-UHFFFAOYSA-N.svg)
1-[1-[[(3a(2)-Nitro[1,1a(2)-biphenyl]-4-yl)oxy]methyl]-3-(4-pyridinyl)propyl]-2,5-pyrrolidinedione
CAS 227088-95-1C25H23N3O5
![(2Z)-2-[(2,4-Dimethoxyphenyl)imino]-5-(hydroxymethyl)-8-methyl-N-phenyl-2H-pyrano[2,3-c]pyridine-3-carboxamide chemical structure, C25H23N3O5, CAS 688774-69-8](/s/NCKBSVPAXUDDCF-UHFFFAOYSA-N.svg)
(2Z)-2-[(2,4-Dimethoxyphenyl)imino]-5-(hydroxymethyl)-8-methyl-N-phenyl-2H-pyrano[2,3-c]pyridine-3-carboxamide
CAS 688774-69-8C25H23N3O5
![2,3-Dimethoxy-N-[3-(4-methoxyphenyl)-2-methyl-4-oxo-3,4-dihydroquinazolin-6-yl]benzamide chemical structure, C25H23N3O5, CAS 1170067-47-6](/s/DJYTYCJKGJWVTA-UHFFFAOYSA-N.svg)
2,3-Dimethoxy-N-[3-(4-methoxyphenyl)-2-methyl-4-oxo-3,4-dihydroquinazolin-6-yl]benzamide
CAS 1170067-47-6C25H23N3O5
8-Ethoxy-2-oxo-N-(3-(6-oxo-3-phenylpyridazin-1(6H)-yl)propyl)-2H-chromene-3-carboxamide
CAS 1021075-63-7C25H23N3O5
Fmoc-Aph(Cbm)-OH
CAS 324017-23-4C25H23N3O5
![N-(3-Methoxyphenyl)-2-[4-(6,7-dimethoxyquinazolin-4-yloxy)phenyl]acetamide chemical structure, C25H23N3O5, CAS 883985-17-9](/s/BFZLDRFGXXMKES-UHFFFAOYSA-N.svg)
N-(3-Methoxyphenyl)-2-[4-(6,7-dimethoxyquinazolin-4-yloxy)phenyl]acetamide
CAS 883985-17-9C25H23N3O5
![3-(Furan-2-yl)-5-(4-morpholinophenyl)-2-phenyldihydro-2H-pyrrolo[3,4-d]isoxazole-4,6(5H,6aH)-dione chemical structure, C25H23N3O5, CAS 340827-47-6](/s/MRJZHFXLXKCAMK-UHFFFAOYSA-N.svg)
3-(Furan-2-yl)-5-(4-morpholinophenyl)-2-phenyldihydro-2H-pyrrolo[3,4-d]isoxazole-4,6(5H,6aH)-dione
CAS 340827-47-6C25H23N3O5
![Ethyl 5-((1H-pyrrolo[2,3-b]pyridin-3-yl)methylene)-2-(7-methoxy-3,4-dihydroisoquinolin-2(1H)-yl)-4-oxo-4,5-dihydrofuran-3-carboxylate chemical structure, C25H23N3O5, CAS 1402057-86-6](/s/JSRLUFXDTSIAKH-UHFFFAOYSA-N.svg)
Ethyl 5-((1H-pyrrolo[2,3-b]pyridin-3-yl)methylene)-2-(7-methoxy-3,4-dihydroisoquinolin-2(1H)-yl)-4-oxo-4,5-dihydrofuran-3-carboxylate
CAS 1402057-86-6C25H23N3O5
- (4E)-4-[2,3-Dihydro-1,4-benzodioxin-6-yl(hydroxy)methylidene]-1-(3-imidazol-1-ylpropyl)-5-phenylpyrrolidine-2,3-dione618410-00-7C25H23N3O5
- 1 suppliers1-(10,11-Dihydro-5H-dibenzo[a,d][7]annulen-5-yl)-3-ethyl-5-hydroxy-4,6-dioxo-2,3,4,6-tetrahydro-1H-pyrido[2,1-f][1,2,4]triazine-7-carboxylic acid2407746-29-4C25H23N3O5
- Cdc7-IN-5C25H23N3O5
- 4-(4-Methoxybenzoyl)-3,3-dimethyl-1-(4-nitrobenzyl)-3,4-dihydroquinoxalin-2(1H)-one381698-23-3C25H23N3O5
- N-[2-(3,4-Dimethoxyphenyl)ethyl]-2,4-dioxo-3-phenyl-1,2,3,4-tetrahydroquinazoline-7-carboxamide892293-71-9C25H23N3O5
- 3-(2,5-Dimethoxyphenyl)-2,4-dioxo-N-(2-phenylethyl)-1,2,3,4-tetrahydroquinazoline-7-carboxamide892296-60-5C25H23N3O5
- 2-Amino-8'-ethoxy-4',4',6',7-tetramethyl-2',5-dioxo-4'H,5H-spiro[pyrano[4,3-b]pyran-4,1'-pyrrolo[3,2,1-ij]quinoline]-3-carbonitrile669748-54-3C25H23N3O5
- Methyl 2-[[2-(4-methoxyphenyl)-1-oxo-3-pyridin-3-yl-3,4-dihydroisoquinoline-4-carbonyl]amino]acetate1024154-11-7C25H23N3O5
- (3E)-3-[(2-Hydroxy-3-methylbenzoyl)hydrazono]-N-(2-methoxydibenzo[B,D]furan-3-yl)butanamide332399-61-8C25H23N3O5
- 3,4,5-Trimethoxy-N-(3-(2-methyl-4-oxoquinazolin-3(4H)-yl)phenyl)benzamide898420-15-0C25H23N3O5
- 2-(6,7-Dimethoxy-2,4-dioxo-3-phenyl-3,4-dihydroquinazolin-1(2H)-yl)-N-(4-methylphenyl)acetamide925146-75-4C25H23N3O5
- 1-[4-(4-Nitrobenzoyl)piperazin-1-yl]-2-(4-phenylphenoxy)ethanone423751-20-6C25H23N3O5
- Benzyl 3-((2-methyl-5-nitrophenyl)carbamoyl)-3,4-dihydroisoquinoline-2(1H)-carboxylate469890-66-2C25H23N3O5
- N-[(E)-1-(3,4-Dimethoxyphenyl)-3-[(2E)-2-[(3-hydroxyphenyl)methylidene]hydrazinyl]-3-oxoprop-1-en-2-yl]benzamide420106-95-2C25H23N3O5
- 3,4,5-Trimethoxy-N-[4-methyl-2-(3-oxo-3,4-dihydroquinoxalin-2-yl)phenyl]benzamide899962-99-3C25H23N3O5
- N-(2-(3-Hydroxyquinoxalin-2-yl)-6-methylphenyl)-3,4,5-trimethoxybenzamide1797570-24-1C25H23N3O5
- 2-((2,2-Dimethyl-2,3-dihydrobenzofuran-7-yl)oxy)-N-(2-((3-(furan-2-yl)-1,2,4-oxadiazol-5-yl)methyl)phenyl)acetamide1797304-10-9C25H23N3O5
- 4-Methoxy-N-{2-methyl-5-[5-(propan-2-yl)-1,3-benzoxazol-2-yl]phenyl}-3-nitrobenzamide432012-33-4C25H23N3O5
- 4-Ethoxy-3-nitro-N-{3-[5-(propan-2-yl)-1,3-benzoxazol-2-yl]phenyl}benzamide431920-28-4C25H23N3O5
- N,3-bis(4-methoxybenzyl)-2,4-dioxo-1,2,3,4-tetrahydroquinazoline-7-carboxamide892274-94-1C25H23N3O5
- N-(2-Methoxybenzyl)-3-(4-methoxybenzyl)-2,4-dioxo-1,2,3,4-tetrahydroquinazoline-7-carboxamide892277-98-4C25H23N3O5
- N-(2,5-Dimethoxyphenyl)-2-(2,4-dioxo-3-(p-tolyl)-3,4-dihydroquinazolin-1(2H)-yl)acetamide899782-42-4C25H23N3O5
- 1-[(1-Cyanocyclohexyl)carbamoyl]ethyl 4-(1,3-dioxo-2,3-dihydro-1H-isoindol-2-yl)benzoate937915-92-9C25H23N3O5
- 2-(6,7-Dimethoxy-2,4-dioxo-3-phenyl-3,4-dihydroquinazolin-1(2H)-yl)-N-(2-methylphenyl)acetamide925194-18-9C25H23N3O5
- 8-Ethoxy-N-(2-{[6-(4-methylphenyl)pyridazin-3-yl]oxy}ethyl)-2-oxo-2H-chromene-3-carboxamide920346-87-8C25H23N3O5
- 2-{1-[2-(4-Methoxyphenoxy)acetyl]-3-oxo-1,2,3,4-tetrahydroquinoxalin-2-yl}-N-phenylacetamide1219149-06-0C25H23N3O5
- 2-{1-[(2-Methoxyphenoxy)acetyl]-3-oxo-1,2,3,4-tetrahydroquinoxalin-2-yl}-N-phenylacetamide1219426-53-5C25H23N3O5
- 3-(2,5-Dimethoxyphenyl)-N-(4-methoxybenzyl)-4-oxo-3,4-dihydroquinazoline-7-carboxamide1144434-18-3C25H23N3O5
- 8-(2-Oxo-2H-chromene-3-carbonyl)-3-phenethyl-1,3,8-triazaspiro[4.5]decane-2,4-dione1021101-56-3C25H23N3O5
- 4-[(4-Oxoquinazolin-3(4H)-yl)methyl]-N-(3,4,5-trimethoxyphenyl)benzamide1190257-12-5C25H23N3O5
- 4-(4-(4-Ethoxyphenyl)-6-oxopyrimidin-1(6H)-yl)-N-(2-oxo-2H-chromen-3-yl)butanamide1251578-83-2C25H23N3O5
- 2-(3-(Naphthalen-2-yl)-6-oxopyridazin-1(6H)-yl)-N-(3,4,5-trimethoxyphenyl)acetamide1282106-97-1C25H23N3O5
- 1-Oxo-N-(pyridin-2-ylmethyl)-2-(3,4,5-trimethoxyphenyl)-1,2-dihydroisoquinoline-4-carboxamide1351690-58-8C25H23N3O5
- 1-Oxo-N-(pyridin-3-ylmethyl)-2-(3,4,5-trimethoxyphenyl)-1,2-dihydroisoquinoline-4-carboxamide1435982-17-4C25H23N3O5
- 4-{[(3-Methoxyphenyl)carbamoyl]methoxy}-N-[4-(2-oxoazetidin-1-yl)phenyl]benzamide1808402-32-5C25H23N3O5
- 1-[(4-tert-Butylphenyl)methoxy]-3-(3-nitrophenyl)-4-oxidoquinoxalin-4-ium-2-one370870-20-5C25H23N3O5
- 4-Ethoxy-3-nitro-N-[4-(5-propan-2-yl-1,3-benzoxazol-2-yl)phenyl]benzamide432004-65-4C25H23N3O5
- N-[1-(3,4-Dimethoxyphenyl)-3-[2-[(3-hydroxyphenyl)methylidene]hydrazinyl]-3-oxoprop-1-en-2-yl]benzamide5758-29-2C25H23N3O5
- N-[(Z)-3-(4-Nitroanilino)-3-oxo-1-(4-propan-2-yloxyphenyl)prop-1-en-2-yl]benzamide304872-80-8C25H23N3O5
- 2-[2-(3,4-Dimethoxyphenyl)ethyl]-1,3-dioxo-N-(pyridin-2-ylmethyl)-2,3-dihydro-1H-isoindole-5-carboxamide895965-04-5C25H23N3O5
- 2-[2-(3,4-Dimethoxyphenyl)ethyl]-1,3-dioxo-N-(pyridin-3-ylmethyl)-2,3-dihydro-1H-isoindole-5-carboxamide1081145-32-5C25H23N3O5
- N-(3,4-Dimethoxybenzyl)-3-(2-methoxyphenyl)-4-oxo-3,4-dihydroquinazoline-7-carboxamide1144441-27-9C25H23N3O5
- 3-(4-Methylbenzyl)-8-(2-oxo-2H-chromene-3-carbonyl)-1,3,8-triazaspiro[4.5]decane-2,4-dione1021126-76-0C25H23N3O5
- (5-(2-Methyl-2,3-dihydrobenzofuran-5-yl)isoxazol-3-yl)methyl 1-ethyl-7-methyl-4-oxo-1,4-dihydro-1,8-naphthyridine-3-carboxylate1203314-02-6C25H23N3O5
- (E)-N-(5-Methyl-2-phenyloxazolo[5,4-b]pyridin-6-yl)-3-(3,4,5-trimethoxyphenyl)acrylamide2035004-91-0C25H23N3O5
- Ethyl (3-{(E)-[1-(3,4-dimethylphenyl)-2,4,6-trioxotetrahydropyrimidin-5(2H)-ylidene]methyl}-1H-indol-1-yl)acetate426235-37-2C25H23N3O5
- (S)-N-(1-((2,5-Dimethoxyphenyl)amino)-1-oxopropan-2-yl)-3-phenylbenzo[c]isoxazole-5-carboxamide1176553-25-5C25H23N3O5
- Ethyl 4-(2-cyano-3-{4-[(3,5-dimethyl-1,2-oxazol-4-yl)methoxy]phenyl}prop-2-enamido)benzoate1198062-64-4C25H23N3O5
- (2Z)-2-[(3,4-Dimethoxyphenyl)imino]-8-methoxy-N-(6-methylpyridin-2-yl)-2H-chromene-3-carboxamide1327176-43-1C25H23N3O5
- 2-Amino-N-(2,4-dimethoxyphenyl)-3-(4-methoxybenzoyl)indolizine-1-carboxamide905770-17-4C25H23N3O5
- 2-Amino-N-(2,4-dimethoxyphenyl)-3-(3-methoxybenzoyl)indolizine-1-carboxamide903343-53-3C25H23N3O5
- 2-Amino-N-(2,5-dimethoxyphenyl)-3-(4-methoxybenzoyl)indolizine-1-carboxamide903280-91-1C25H23N3O5
- 2-Amino-N-(2,5-dimethoxyphenyl)-3-(3-methoxybenzoyl)indolizine-1-carboxamide904266-72-4C25H23N3O5
- Methyl 4-(3-(2-(3-methoxybenzylcarbamoyl)pyridin-4-yl)-4,5-dihydroisoxazol-5-yl)benzoate1408330-75-5C25H23N3O5
- 4-((E)-{2-[2-(4-Ethylanilino)-2-oxoacetyl]hydrazono}methyl)phenyl 4-methoxybenzoate764653-26-1C25H23N3O5
- Ethyl 4-hydroxy-2-(7-methoxy-3,4-dihydro-1H-isoquinolin-2-yl)-5-[(E)-pyrrolo[2,3-b]pyridin-3-ylidenemethyl]furan-3-carboxylateC25H23N3O5
- 5-[2-(2H-1,3-Benzodioxol-5-yl)-2-oxoethyl]-2-(2-butoxyphenyl)-4H,5H-pyrazolo[1,5-a]pyrazin-4-one2770585-69-6C25H23N3O5
- 5-[(3R)-3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)butanamido]pyridine-3-carboxylic acid2171174-45-9C25H23N3O5
- 4-{[3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)pyridin-2-yl]formamido}butanoic acid2171827-02-2C25H23N3O5
- 5-{[(2S)-2-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)propanamido]methyl}pyridine-2-carboxylic acid2171180-89-3C25H23N3O5
- 3-{1-[6-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)pyridin-2-yl]-N-methylformamido}propanoic acid2171909-67-2C25H23N3O5
- 5-[3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-2-methylpropanamido]pyridine-2-carboxylic acid2172304-97-9C25H23N3O5
- 2-{[3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)pyridin-2-yl]formamido}butanoic acid2171458-46-9C25H23N3O5
- (3R)-3-{[6-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)pyridin-2-yl]formamido}butanoic acid2171243-32-4C25H23N3O5
- 2-{[5-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)pyridin-2-yl]formamido}butanoic acid2171775-56-5C25H23N3O5
- (2S)-2-{[5-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)pyridin-2-yl]formamido}butanoic acid2171235-10-0C25H23N3O5
- 4-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-4-[(pyridin-3-yl)carbamoyl]butanoic acid2171778-84-8C25H23N3O5
- 5-[(3R)-3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)butanamido]pyridine-2-carboxylic acid2171230-97-8C25H23N3O5
- 3-{2-[5-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)pyridin-2-yl]acetamido}propanoic acid2171943-15-8C25H23N3O5
- (2S)-2-{2-[5-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)pyridin-2-yl]acetamido}propanoic acid2171184-62-4C25H23N3O5
- 4-{[6-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)pyridin-2-yl]formamido}butanoic acid2172194-49-7C25H23N3O5
- (2S)-2-{[6-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)pyridin-2-yl]formamido}butanoic acid2171254-12-7C25H23N3O5
- 2-{[6-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)pyridin-2-yl]formamido}-2-methylpropanoic acid2172444-17-4C25H23N3O5
- 2-{[6-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)pyridin-2-yl]formamido}butanoic acid2171682-75-8C25H23N3O5
- 3-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)-3-[methyl(pyridin-2-yl)carbamoyl]propanoic acid2171703-63-0C25H23N3O5
- 3-{[5-({[(9H-Fluoren-9-yl)methoxy]carbonyl}amino)pyridin-2-yl]formamido}butanoic acid2171827-30-6C25H23N3O5
Frequently asked questions
What is the molar mass of C25H23N3O5?
The molar mass of C25H23N3O5 is 445.48 g/mol, calculated from standard atomic weights for 25 carbon atoms, 23 hydrogen atoms, 3 nitrogen atoms and 5 oxygen atoms. The monoisotopic mass is 445.1638 Da.
How many compounds have the formula C25H23N3O5?
CompoundList lists 178 compounds with the molecular formula C25H23N3O5, including D-Phenylalanine, 4-[(aminocarbonyl)amino]-N-[(9H-fluoren-9-ylmethoxy)carbonyl]-, 3-(3,4-Dimethoxyphenyl)-2,4-dioxo-N-phenethyl-1,2,3,4-tetrahydroquinazoline-7-carboxamide, (3,5-Dinitrophenyl)(2,2,4-trimethyl-4-phenyl-3,4-dihydroquinolin-1(2H)-yl)methanone. 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 C25H23N3O5?
C25H23N3O5 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.