7,9-Dichloro-5-(3-nitrophenyl)-2-phenyl-5,10b-dihydro-1H-benzo[e]pyrazolo[1,5-c][1,3]oxazine CAS 302904-04-7
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 302904-04-7 |
| Molecular Formula | C22H15Cl2N3O3 |
| Molecular Weight | 440.28 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 7,9-Dichloro-5-(3-nitrophenyl)-2-phenyl-5,10b-dihydro-1H-benzo[e]pyrazolo[1,5-c][1,3]oxazine (CAS 302904-04-7), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C22H15Cl2N3O3. Molecular weight: 440.28 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C22H15Cl2N3O3 |
| Molecular Weight | 440.28 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 16.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Dichloro Standards
- 1-(3,5-Dichloro-4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}phenyl)-3-methylimidazolidin-2-one (CAS 1092345-98-6)
- 2,4-Dichloro-5-(5-chloro-2,4-dimethoxy-phenylsulfamoyl)-benzoic acid (CAS 380341-89-9)
- (E)-2,4-dichloro-N'-(4-((2-chlorothiazol-5-yl)methoxy)benzylidene)benzohydrazide (CAS 338393-58-1)
- 2,4-Dichloro-N-[4-(2-chlorobenzenesulfonyl)phenyl]benzamide (CAS 339105-34-9)
- 5,6-Dichloro-1-(2-chloro-6-fluorobenzyl)-2-(2-chloropyridin-3-yl)-1H-benzo[d]imidazole (CAS 337920-74-8)
- 3',6'-Dichloro-4,5,6,7-tetrafluoro-3H-spiro[isobenzofuran-1,9'-xanthen]-3-one (CAS 1044164-77-3)
- 2,4-Dichloro-N'-{2',3'-dihydrospiro[adamantane-2,1'-indene]-3'-ylidene}benzohydrazide (CAS 400083-54-7)
- 2-({[2,4-dichloro-5-(2-methoxyethoxy)phenyl]carbamoyl}methanesulfinyl)-N,N-diethylacetamide (CAS 341965-08-0)
Recommended Standards
- (S)-1-(2-(2-Aminoethoxy)-5-chloropyridin-3-yl)-3-(2-chloro-7-(1-methoxyethyl)pyrazolo[1,5-a]pyrimidin-6-yl)urea (CAS 2225148-33-2)
- N-(5-chloro-4-((4-chlorophenyl)(cyano)methyl)-2-methylphenyl)-2-nitrobenzamide (CAS 895869-00-8)
- 5-Iodo-4-(4-methoxybenzyloxy)-2-(4-methylpiperazin-1-yl)pyrimidine (CAS 1268273-94-4)
- N-(1H-Benzo[d]imidazol-2-yl)formamide (CAS 98554-99-5)
- 1-(Cyclobutylmethyl)-1H-imidazole-2-carbaldehyde (CAS 497855-82-0)
- 2-(4-(Dimethylamino)phenyl)propanal (CAS 83484-95-1)
- 5-Chloro-2,3-dihydro-2-oxo-6-benzoxazolyl β-D-Glucopyranosiduronic Acid (CAS 87620-03-9)
- 2-Methylpyrimidine-4,5-dicarbonitrile (CAS 1860-97-5)
- Neodymium(III) oxalate decahydrate (99.9%-Nd) (REO) (CAS 14551-74-7)
- Tau Peptide (295-309) trifluoroacetate salt (CAS 330456-46-7)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com