N'-[(1E)-(5-Nitrofuran-2-yl)methylidene]-9H-xanthene-9-carbohydrazide CAS 298218-12-9
| CAS No. | 298218-12-9 |
| Molecular Formula | C19H13N3O5 |
| Molecular Weight | 363.32 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
N'-[(1E)-(5-Nitrofuran-2-yl)methylidene]-9H-xanthene-9-carbohydrazide (CAS 298218-12-9), molecular formula C19H13N3O5 and molecular weight 363.32 g/mol, is a CATO reference standard with documented purity and traceability.
N'-[(1E)-(5-Nitrofuran-2-yl)methylidene]-9H-xanthene-9-carbohydrazide (C19H13N3O5) contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures N'-[(1E)-(5-Nitrofuran-2-yl)methylidene]-9H-xanthene-9-carbohydrazide under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C19H13N3O5 |
| Molecular Weight | 363.32 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 3 |
Recommended Standards
- N-(4,4'-dinitro-[1,1'-biphenyl]-2-yl)benzamide (CAS 84682-33-7)
- N-Butyl-N-(2-fluoro-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzyl)butan-1-amine (CAS 2377608-08-5)
- 3-(3,4-Dihydroxyphenyl)-3-(3-nitrophenyl)isobenzofuran-1(3H)-one (CAS 92687-69-9)
- 3406-84-6 4,4'-Biphenyldisulfonyl chloride (8CI) (1,1'-Biphenyl)-4,4'-disulfonyl dichloride 4,4'-Bis(phenylsulphonyl) dichloride 4,4'-Biphenylylenedisulfonyl chloride p,p'-Diphenyldisulfonyl chloride EINECS 222-293-6 NSC 2062 (CAS 3406-84-6)
- N-(3-Amino-4-chlorophenyl)-2-(4-chlorophenoxy)-acetamide (CAS 1020058-41-6)
- Neotuberostemonine (CAS 143120-46-1)
- Methyl 2-(5-chloropyrimidin-4-yl)acetate (CAS 1260813-71-5)
- N-(4-Bromobenzyl)methanesulfonamide (CAS 183128-59-8)
- 4-(2,2-Diphenylvinyl)-N,N-di-p-tolylaniline (CAS 89114-91-0)
- 2-Bromo-5-cyclohexylpyridine (CAS 1142197-23-6)
- Diethyl 4-Iodopyridine-2,6-dicarboxylate (CAS 120491-90-9)
- 3-(Difluoromethoxy)-5-methylbenzofuran-2-carboxylic acid (CAS 1708401-49-3)
- Ticagrelor Impurity 140 (CAS CATO-C4X-1093140)
- D-[His]1-Semaglutide (CAS CATO-C4X-222652)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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