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Cas Database |
| Name |
Amlexanox |
EINECS | 804-135-3 |
| CAS No. | 68302-57-8 | Density | 1.408 g/cm3 |
| PSA | 106.42000 | LogP | 3.32620 |
| Solubility | N/A | Melting Point |
>300 °C |
| Formula | C16H14N2O4 | Boiling Point | 570 °C at 760 mmHg |
| Molecular Weight | 298.298 | Flash Point | 298.5 °C |
| Transport Information | N/A | Appearance | white crystalline solid |
| Safety | 36/37-37-36 | Risk Codes | 22-43 |
| Molecular Structure |
|
Hazard Symbols | Xn |
| Synonyms |
2-Amino-7-isopropyl-5-oxo-5H-(1)benzopyrano(2,3-b)pyridine-3-carboxylic acid;5H-(1)Benzopyrano(2,3-b)pyridine-3-carboxylic acid, 2-amino-7-(1-methylethyl)-5-oxo-;Aphtheal;Elics;Solfa; |
Article Data | 3 |
Amlexanox Synthetic route
- 68301-99-5
ethyl 2-amino-7-isopropyl-5-oxo-5H-<1>benzopyrano<2,3-b>pyridine-3-carboxylate
- 68302-57-8
amlexanox
| Conditions | Yield |
|---|---|
| With sulfuric acid; acetic acid at 130℃; for 3h; | 88% |
- 50743-32-3
6-isopropyl-4-oxo-4H-1-benzopyran-3-carbonitrile
- 68302-57-8
amlexanox
| Conditions | Yield |
|---|---|
| Multi-step reaction with 2 steps 1: 95 percent / piperidine / ethanol / 5 h / Heating 2: 88 percent / 50percent aq. H2SO4, AcOH / 3 h / 130 °C View Scheme |
Amlexanox Chemical Properties
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IUPAC Name: 2-Amino-5-oxo-7-propan-2-ylchromeno[2,3-b]pyridine-3-carboxylic acid
Molecular Formula: C16H14N2O4
Molecular Weight: 298.29 g/mol
Mol File: 68302-57-8.mol
InChI: InChI=1/C16H14N2O4/c1-7(2)8-3-4-12-9(5-8)13(19)10-6-11(16(20)21)14(17)18-15(10)22-12/h3-7H,1-2H3,(H2,17,18)(H,20,21)
Mol File: c12c(oc3ccc(cc3c1=O)C(C)C)nc(N)c(c2)C(O)=O
Classification Code: Anti-allergic; Anti-allergic agents; Drug / Therapeutic Agent
Product Categories: Antiallergic; Antiasthmatic; Intermediates & Fine Chemicals; Pharmaceuticals
XLogP3-AA: 3.1
H-Bond Donor: 2
H-Bond Acceptor: 6
Rotatable Bond Count: 2
Tautomer Count: 6
Exact Mass: 298.095357
MonoIsotopic Mass: 298.095357
Topological Polar Surface Area: 103
Heavy Atom Count: 22
Complexity: 467
Index of Refraction: 1.668
Molar Refractivity: 78.97 cm3
Molar Volume: 211.7 cm3
Polarizability: 31.3×10-24 cm3
Density: 1.408 g/cm3
Surface Tension: 69 dyne/cm
Flash Point: 298.5 °C
Enthalpy of Vaporization: 89.95 kJ/mol
Boiling Point: 570 °C at 760 mmHg
Melting Point: >3000 °C
Vapour Pressure of Amlexanox (CAS NO.68302-57-8): 7.86E-14 mmHg at 25 °C
Amlexanox Uses
Amlexanox (CAS NO.68302-57-8) is used to inhibit release of allergic mediators from mast cells. It can antiallergic and antiasthmatic.
Amlexanox Toxicity Data With Reference
| Organism | Test Type | Route | Reported Dose (Normalized Dose) | Effect | Source |
|---|---|---|---|---|---|
| mouse | LD50 | intraperitoneal | 450mg/kg (450mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 13, Pg. 6405, 1985. |
| mouse | LD50 | oral | 2320mg/kg (2320mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 13, Pg. 6405, 1985. |
| mouse | LD50 | subcutaneous | 3310mg/kg (3310mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 13, Pg. 6405, 1985. |
| rat | LD50 | intraperitoneal | 500mg/kg (500mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 13, Pg. 6405, 1985. |
| rat | LD50 | oral | 10gm/kg (10000mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 13, Pg. 6405, 1985. |
| rat | LD50 | subcutaneous | 1400mg/kg (1400mg/kg) | BEHAVIORAL: SOMNOLENCE (GENERAL DEPRESSED ACTIVITY) LUNGS, THORAX, OR RESPIRATION: DYSPNEA | Yakuri to Chiryo. Pharmacology and Therapeutics. Vol. 13, Pg. 6405, 1985. |
Amlexanox Specification
Amlexanox (CAS NO.68302-57-8), its Synonyms are 2-Amino-7-isopropyl-5-oxo-5H-(1)benzopyrano(2,3-b)pyridine-3-carboxylic acid ; 5H-(1)Benzopyrano(2,3-b)pyridine-3-carboxylic acid, 2-amino-7-(1-methylethyl)-5-oxo- ; Amlexanoxo ; Amlexanoxum ; Amoxanox ; Aphthasol . It is white crystalline solid.
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