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| Product | Description | |
|---|---|---|
| Azelastine Impurity 6 DiHCl | Azelastine Impurity 6 DiHCl. Uses: For analytical and research use. Group: Impurity standards. CAS No. 169123-29-9. Molecular formula: C7H19Cl2N3. Mole weight: 216.15. Catalog: APB169123299. |  |
| Azelastine Impurity C | Azelastine Impurity C is an impurity of Azelastine. Synonyms: 2-((4-Chlorophenyl)acetyl)benzoic acid; 2-[2-(4-Chlorophenyl)acetyl]benzoic acid; Einecs 258-444-8. Grade: > 95%. CAS No. 53242-76-5. Molecular formula: C15H11ClO3. Mole weight: 274.71. |  |
| Azelastine Impurity E | Azelastine Impurity E is an impurity arising in the synthesis of azelastine. It is a stilbene-related benzalphthalide derivative with with potential anti-HIV and leishmanicidal activity. Synonyms: 3-[(4-chlorophenyl)methylene]phthalide; 3-[1-(4-Chloro-phenyl)-meth-(Z)-ylidene]-3H-isobenzofuran-1-one; 3-(4-Chlorobenzal)phthalide; 4-Chlorobenzylidene phthalide. Grade: > 95%. CAS No. 20526-97-0. Molecular formula: C15H9ClO2. Mole weight: 256.69. | |
| Azelastine EP Impurity D | An impurity of Azelastine. Azelastine is a selective histamine H1 receptor antagonist used primarily for the treatment of allergic rhinitis and perennial rhinitis, including the relief of nasal congestion, runny nose, sneezing and itchy nose. Synonyms: 4-p-Chlorobenzyl-1(2H)-phthalazinone; 4-[(4-Chlorophenyl)methyl]-1(2H)-phthalazinone; 4-(4-Chlorobenzyl)-1(2H)-phthalazinone; 4-(4-Chloro-benzyl)-2H-phthalazin-1-one; 4-(4-Chlorobenzyl)phthalazin-1(2H)-one; 4-(4-Chlorobenzyl)phthalazin-1-ol; 4-[(4-Chlorophenyl)methyl]phthalazin-1(2H)-one; USP Azelastine Related Compound D; Azelastine related compound D; Azelastine USP Related Compound D; Azelastine Impurity D. Grade: ≥95%. CAS No. 53242-88-9. Molecular formula: C15H11ClN2O. Mole weight: 270.71. | |
| Azelastine EP Impurity E | Azelastine EP Impurity E. Uses: For analytical and research use. Group: Impurity standards. Alternative Names: (Z)-3-(4-chlorobenzylidene)isobenzofuran-1(3H)-one. CAS No. 105279-16-1. Molecular formula: C15H9ClO2. Mole weight: 256.68. Catalog: APB105279161. | |
| Azelastine HCl Impurity B | Azelastine HCl Impurity B is an intermediate in the preparation of Azelastine. Synonyms: Azelastine Related Compound B; 1-Methyl-4-(2-benzoylhydrazino)azapan hydrochloride; N'-(1-Methylazepan-4-yl)benzohydrazide hydrochloride; Benzoic acid 2-(hexahydro-1-methyl-1H-azepin-4-yl)hydrazide hydrochloride. Grade: > 95%. CAS No. 117078-69-0. Molecular formula: C14H22N3OCl. Mole weight: 283.80. | |
| (R)-Azelastine hydrochloride (Azelastine Impurity 18) | (R)-Azelastine hydrochloride (Azelastine Impurity 18). Uses: For analytical and research use. Group: Impurity standards. CAS No. 153408-28-7. Molecular formula: C22H25Cl2N3O. Mole weight: 418.36. Catalog: APB153408287. | |
| (S)-Azelastine hydrochloride ((Azelastine Impurity 19) | (S)-Azelastine hydrochloride ((Azelastine Impurity 19). Uses: For analytical and research use. Group: Impurity standards. CAS No. 153408-27-6. Molecular formula: C22H25Cl2N3O. Mole weight: 418.36. Catalog: APB153408276. | |
| 1-Benzoyl-2-(1-methylhexahydro-1H-azepin-4-yl)diazane | An impurity of Azelastine. Azelastine is a selective histamine H1 receptor antagonist used primarily for the treatment of allergic rhinitis and perennial rhinitis, including the relief of nasal congestion, runny nose, sneezing and itchy nose. Synonyms: Benzoic acid, 2-(hexahydro-1-methyl-1H-azepin-4-yl)hydrazide; Azelastine EP impurity B; 1-Benzoyl-2-((4RS)-1-methylhexahydro-1H-azepin-4-yl)diazane; (+/-)-1-Benzoyl-2-(1-methylhexahydro-1H-azepin-4-yl)diazane; Benzoic acid N'-(1-methyl-azepan-4-yl)-hydrazide; Azelastine Hydrochloride Impurity B. Grade: 95%. CAS No. 110406-94-5. Molecular formula: C14H21N3O. Mole weight: 247.34. | |
| 4-[(4-Chlorophenyl)methyl]-2-(1-methyl-2-pyrrolidinyl)-1(2H)-phthalazinone | An impurity of Azelastine. Azelastine is a selective histamine H1 receptor antagonist used primarily for the treatment of allergic rhinitis and perennial rhinitis, including the relief of nasal congestion, runny nose, sneezing and itchy nose. Grade: ≥95%. CAS No. 53242-89-0. Molecular formula: C20H20ClN3O. Mole weight: 353.85. | |
| Azelastine 2-Chloro Isomer | An impurity of Azelastine. Azelastine is a selective histamine H1 receptor antagonist used primarily for the treatment of allergic rhinitis and perennial rhinitis, including the relief of nasal congestion, runny nose, sneezing and itchy nose. Synonyms: 4-[(2-Chlorophenyl)methyl]-2-(hexahydro-1-methyl-1H-azepin-4-yl)-1(2H)-phthalazinone; 4-(2-Chlorobenzyl)-2-(1-methylazepan-4-yl)phthalazin-1(2H)-one; 4-[(2-Chlorophenyl)methyl]-2-(1-methylazepan-4-yl)-1,2-dihydrophthalazin-1-one. Grade: ≥95%. CAS No. 752922-66-0. Molecular formula: C22H24ClN3O. Mole weight: 381.90. | |
| Azelastine 3-Chloro Isomer | An impurity of Azelastine. Azelastine is a selective histamine H1 receptor antagonist used primarily for the treatment of allergic rhinitis and perennial rhinitis, including the relief of nasal congestion, runny nose, sneezing and itchy nose. Synonyms: 4-[(3-Chlorophenyl)methyl]-2-(hexahydro-1-methyl-1H-azepin-4-yl)-1(2H)-phthalazinone; 4-(3-Chlorobenzyl)-2-(1-methylazepan-4-yl)phthalazin-1(2H)-one; 4-[(3-Chlorophenyl)methyl]-2-(1-methylazepan-4-yl)-1,2-dihydrophthalazin-1-one; Azelastine Impurity 4. Grade: ≥95%. CAS No. 37933-01-0. Molecular formula: C22H24ClN3O. Mole weight: 381.90. | |
| (Z)-3-(4-Chlorobenzylidene)isobenzofuran-1(3H)-one | An impurity of Azelastine. Azelastine is a selective histamine H1 receptor antagonist used primarily for the treatment of allergic rhinitis and perennial rhinitis, including the relief of nasal congestion, runny nose, sneezing and itchy nose. Synonyms: Azelastine EP Impurity E (Z-Isomer); (3Z)-3-[(4-Chlorophenyl)methylene]-1(3H)-isobenzofuranone; (Z)-3-[(4-Chlorophenyl)methylene]-1(3H)-isobenzofuranone; (Z)-Azelastine hydrochloride impurity E; (Z)-3-(4-Chlorobenzal)phthalide; Azelastine Hydrochloride Imp. E (EP) Z-Isomer; Azelastine Imp. E (EP) Z-Isomer; Azelastine Impurity E (Z-Isomer). Grade: ≥95%. CAS No. 105279-16-1. Molecular formula: C15H9ClO2. Mole weight: 256.68. | |
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