5-Chlorobenzo[c]isoxazole CAS 4596-92-3
| CAS No. | 4596-92-3 |
| Molecular Formula | C7H4ClNO |
| Molecular Weight | 153.57 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 5-Chlorobenzo[c]isoxazole (C7H4ClNO) contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 153.57 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies 5-Chlorobenzo[c]isoxazole (CAS 4596-92-3), a certified reference material (molecular formula C7H4ClNO, MW 153.57 g/mol) for analytical method development and quality control.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 5-Chlorobenzo[c]isoxazole meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C7H4ClNO |
| Molecular Weight | 153.57 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Chlorobenzo Standards
- 4-Chlorobenzo[d]isoxazole (CAS 1260783-81-0)
- 6-Chlorobenzo[c]isoxazole (CAS 14313-60-1)
- 4-Chlorobenzo[c]isoxazole (CAS 150079-72-4)
- 4-Chlorobenzo[d]oxazole (CAS 943443-12-7)
- 5-Chlorobenzo[d]isoxazole (CAS 39900-62-4)
- 6-Chlorobenzo[d]isoxazole (CAS 39835-07-9)
- 6-Chlorobenzo[d]oxazole (CAS 227197-72-0)
- 7-Chlorobenzo[d]isoxazole (CAS 65685-54-3)
Recommended Standards
- 5-Chloro-3H-imidazo[4,5-b]pyridine (CAS 52090-89-8)
- 5-Chloro-2-methylpyrimidine-4-carbonitrile (CAS 857428-36-5)
- 5-Chloroimidazo[1,2-a]pyrazine (CAS 63744-41-2)
- 5-Chloro-1H-pyrazolo[3,4-c]pyridine (CAS 76006-08-1)
- (1S,2S,4S,5R)-1-(anthracen-9-ylmethyl)-2-((R)-hydroxy(quinolin-4-yl)methyl)-5-vinylquinuclidin-1-ium chloride (CAS 199588-80-2)
- (4-Butylphenyl)(4-methoxyphenyl)methanone (CAS 64357-38-6)
- 4'-(Hydroxymethyl)biphenyl-3-carboxylic acid (CAS 773872-69-8)
- 1-amino-1,3-diazinan-2-one (CAS 45529-53-1)
- 4'-Chloro-[1,1'-biphenyl]-3,4-diamine (CAS 185199-45-5)
- Ethyl 4-amino-5-bromopyrrolo[2,1-f][1,2,4]triazine-7-carboxylate (CAS 2091742-74-2)
- 2-(2,6-dioxo-3-piperidyl)-5-[methyl-[2-(methylamino)ethyl]amino]isoindoline-1,3-dione (CAS 2703762-40-5)
- 4-((3,5-Dibromo-2-hydroxybenzylidene)amino)-3-(m-tolyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478256-31-4)
- 2-(dimethylamino)-3,4-difluorobenzaldehyde (CAS 2044713-58-6)
- Anti-Inflammatory Peptide 2 (CAS 118850-72-9)
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