Table 2.
Physical and chemical information and structure of drugs
(https://www.usp.org/); (https://pubchem.ncbi.nlm.nih.gov/).
| No | Name | Chemical Formula | Melting Point (°C) | Molecular Weight (g/mol) | Color/Form | Physical Description | Solubility | Identification | IUPAC Name | Structure |
|---|---|---|---|---|---|---|---|---|---|---|
| 1 | Darunavir | C27H37N3O7S | 74–76 | 547.7 | White, amorphous solid | Solid | In water 0.15 mg/ml at 20 °C | HPLC | [(3aS,4R,6aR)-2,3,3a,4,5,6a-hexahydrofuro [2,3-b]furan-4-yl] N-[(2S,3R)-4-[(4-aminophenyl) sulfonyl-(2-methylpropyl)amino]-3-hydroxy-1-phenylbutan-2-yl]carbamate | ![]() |
| 2 | Oseltamivir | C16H28N2O4 | 190–206 | 312.4 | White, solid | Solid | In water, 1.6 × 10 + 3 mg/L at 25 °C | LC | ethyl (3R,4R,5S)-4-acetamido-5-amino-3-pentan-3-yloxycyclohexene-1-carboxylate | ![]() |
| 3 | Favipiravir | C5H4FN3O2 | 187–193 | 157.1 | white to light yellow, Solid | Solid | slightly soluble in water | HPLC | 5-fluoro-2-oxo-1H-pyrazine-3-carboxamide | ![]() |
| 4 | Umifenovir | C22H25BrN2O3S | 133–137 | 477.4 | White, Solid | Solid | “Expected to be poorly soluble | HPLC | ethyl 6-bromo-4-[(dimethylamino)methyl]-5-hydroxy-1-methyl-2-[(phenylsulfanyl)methyl]-1H-indole-3-carboxylate | ![]() |
| 5 | Remdesivir | C27H35N6O8P | 127 | 602.6 | white to off-white to yellow, Solid | Solid | Insoluble in water and soluble in ethanol | HPLC Mass/Mass | 2-ethylbutyl (2S)-2-[[[(2R,3S,4R,5R)-5-(4-aminopyrrolo[2,1-f][1,2,4]triazin-7-yl)-5-cyano-3,4-dihydroxyoxolan-2-yl]methoxy-phenoxyphosphoryl]amino]propanoate | ![]() |
| 6 | Ribavirin | C8H12N4O5 | 174–176 | 244.2 | Colorless, Solid | Solid | In water, 142 mg/ml at 25 °C | IR, TLC | 1-[(2R,3R,4S,5R)-3,4-dihydroxy-5-(hydroxymethyl)oxolan-2-yl]-1,2,4-triazole-3-carboxamide | ![]() |
| 7 | Nafamostat | C19H17N5O2 | 217–220° | 347.4 | Colorless, Solid | Solid | In water, 25 mg/ml at 25 °C | HLPC | (6-carbamimidoylnaphthalen-2-yl) 4-(diaminomethylideneamino)benzoate | ![]() |
| 8 | Heparin | C26H42N2O37S5 | >228 | 1134.9 | White or pale-colored amorphous powder | Solid | Soluble in water | Chromatography | 6-[6-[6-[5-acetamido-4,6-dihydroxy-2-(sulfooxymethyl)oxan-3-yl]oxy-2-carboxy-4-hydroxy-5-sulfooxyoxan-3-yl]oxy-2-(hydroxymethyl)-5-(sulfoamino)-4-sulfooxyoxan-3-yl]oxy-3,4-dihydroxy-5-sulfooxyoxane-2-carboxylic acid | ![]() |
| Camostat | C20H22N4O5 | 194–198 | 398.4 | white to tan, Solid | Solid | In water, 24 mg/ml at 25 °C | HPLC | [4-[2-[2-(dimethylamino)-2-oxoethoxy]-2-oxoethyl]phenyl] 4-(diaminomethylideneamino)benzoate | ![]() |
|
| 9 | Lopinavir | C37H48N4O5 | 124–127 | 628.8 | White to light tan powder | Solid | Practically insoluble | reversed phase chromatographic method HPLC | (2S)–N-[(2S,4S,5S)-5-[[2-(2,6-dimethylphenoxy)acetyl]amino]-4-hydroxy-1,6-diphenylhexan-2-yl]-3-methyl-2-(2-oxo-1,3-diazinan-1-yl)butanamide | ![]() |
| 10 | Ritonavir | C37H48N6O5S2 | 126–132 | 720.9 | White to light tan powder | Solid | Practically insoluble | FTIR, LC/MS, HPLC, Polarimetry | 1,3-thiazol-5-ylmethyl N-[(2S,3S,5S)-3-hydroxy-5-[[(2S)-3-methyl-2-[[methyl-[(2-propan-2-yl-1,3-thiazol-4-yl)methyl]carbamoyl]amino]butanoyl]amino]-1,6-diphenylhexan-2-yl]carbamate | ![]() |
| 11 | Nelfinavir | C32H45N3O4S | 349.84 | 567.8 | white to off-white | Solid | Slightly soluble | Liquid chromatography–mass spectrometry | (3S,4aS,8aS)-N-tert-butyl-2-[(2R,3R)-2-hydroxy-3-[(3-hydroxy-2-methylbenzoyl)amino]-4-phenylsulfanylbutyl]-3,4,4a,5,6,7,8,8a-octahydro-1H-isoquinoline-3-carboxamide | ![]() |
| 12 | Teicoplanin | C88H97Cl2N9O33 | 260 | 1879.7 | white to faint yellow | Solid | In water, 10 mg/ml at 25 °C | HPLC | (1S,2R,19R,22R,34S,37R,40R,52S)-2-[(2R,3R,4R,5S,6R)-3-acetamido-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-22-amino-5,15-dichloro-64-[(2S,3R,4R,5S,6R)-3-(decanoylamino)-4,5-dihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-26,31,44,49-tetrahydroxy-21,35,38,54,56,59-hexaoxo-47-[(3S,4S,5S,6R)-3,4,5-trihydroxy-6-(hydroxymethyl)oxan-2-yl]oxy-7,13,28-trioxa-20,36,39,53,55,58-hexazaundecacyclo[38.14.2.23,6.214,17.219,34.18,12.123,27.129,33.141,45.010,37.046,51]hexahexaconta-3,5,8,10,12(64),14,16,23(61),24,26,29(60),30,32,41(57),42,44,46(51),47,49,62,65-henicosaene-52-carboxylic acid | ![]() |
| 13 | Azithromycin | C38H72N2O12 | 126 | 749 | Amorphous solid | Solid | In water, 2.37 mg/ml at 25 °C | LC, UV | (2R,3S,4R,5R,8R,10R,11R,12S,13S,14R)-11-[(2S,3R,4S,6R)-4-(dimethylamino)-3-hydroxy-6-methyloxan-2-yl]oxy-2-ethyl-3,4,10-trihydroxy-13-[(2R,4R,5S,6S)-5-hydroxy-4-methoxy-4,6-dimethyloxan-2-yl]oxy-3,5,6,8,10,12,14-heptamethyl-1-oxa-6-azacyclopentadecan-15-one | ![]() |
| 14 | Hydroxychloroquine | C18H26ClN3O | 89–91 | 335.9 | white | Solid | In water,2.61e-02 g/L at 25 °C | LC | 2-[4-[(7-chloroquinolin-4-yl)amino]pentyl-ethylamino]ethanol | ![]() |
| 15 | Thalidomide | C13H10N2O4 | 270 | 258.23 | Needles | Solid | In water, 545 mg/L at 25 °C | HPLC, TLC | 2-(2,6-dioxopiperidin-3-yl)isoindole-1,3-dione | ![]() |
| 16 | Losartan | C22H23ClN6O | 178–184 | 422.9 | Light yellow solid | Solid | In water, 8.22 mg/L at 25 °C | HPLC | [2-butyl-5-chloro-3-[[4-[2-(2H-tetrazol-5-yl)phenyl]phenyl]methyl]imidazol-4-yl]methanol | ![]() |
| 17 | Icatibant | C59H89N19O13S | 213–218 | 1304.5 | White Solid | Solid | In water, 1 mg/ml at 25 °C | HPLC | (2S)-2-[[(2S,3aS,7aS)-1-[(3R)-2-[(2S)-2-[[(2S)-2-[[2-[[(2S,4R)-1-[(2S)-1-[(2S)-2-[[(2R)-2-amino-5-(diaminomethylideneamino)pentanoyl]amino]-5-(diaminomethylideneamino)pentanoyl]pyrrolidine-2-carbonyl]-4-hydroxypyrrolidine-2-carbonyl]amino]acetyl]amino]-3-thiophen-2-ylpropanoyl]amino]-3-hydroxypropanoyl]-3,4-dihydro-1H-isoquinoline-3-carbonyl]-2,3,3a,4,5,6,7,7a-octahydroindole-2-carbonyl]amino]-5-(diaminomethylideneamino)pentanoic acid | ![]() |
| 18 | Ivermectin | C48H74O14 | 155 | 875.1 | colorless,Solid | Solid | In water, 4 mg/L at 25 °C | IR, HPLC | (1R,4S,5′S,6R,6′R,8R,10E,12S,13S,14E,16E,20R,21R,24S)-6'-[(2S)-butan-2-yl]-21,24-dihydroxy-12-[(2R,4S,5S,6S)-5-[(2S,4S,5S,6S)-5-hydroxy-4-methoxy-6-methyloxan-2-yl]oxy-4-methoxy-6-methyloxan-2-yl]oxy-5′,11,13,22-tetramethylspiro[3,7,19-trioxatetracyclo[15.6.1.14,8.020,24]pentacosa- trioxatetracyclo[15.6.1.14,8.020,24]pentacosa10,14,16,22-tetraene-6,2′-oxane]-2-one | ![]() |
| 19 | Nitazoxanide | C12H9N3O5S | 202 | 307.28 | light yellow, Solid | Solid | Insoluble in water. | HPLC | 2-[(5-nitro-1,3-thiazol-2-yl)carbamoyl]phenyl acetate | ![]() |
| 20 | Emetine | C29H40N2O4 | 74.0 | 480.6 | White amorphous powder | Solid | Water soluble | IR, UV | (2S,3R,11bS)-2-[[(1R)-6,7-dimethoxy-1,2,3,4-tetrahydroisoquinolin-1-yl]methyl]-3-ethyl-9,10-dimethoxy-2,3,4,6,7,11b-hexahydro-1H-benzo[a]quinolizine | ![]() |
| 21 | Famotidine | C8H15N7O2S3 | 163.5 | 337.5 | White to pale yellow crystals | Solid | In water, 1000 mg/L at 25 °C | Chromatography | 3-[[2-(diaminomethylideneamino)-1,3-thiazol-4-yl]methylsulfanyl]-N′-sulfamoylpropanimidamide | ![]() |
Abbreviations: IUPAC: International Union of Pure and Applied Chemistry; HPLC: High-Performance Liquid Chromatography; UV: Ultra Violet; IR: Infrared; LC: Liquid Chromatography; TLC: Thin-layer chromatography; FTIR: Fourier-transform infrared spectroscopy.





















