3-(5,7-Dichlorobenzo[d]oxazol-2-yl)aniline CAS 293738-22-4
| CAS No. | 293738-22-4 |
| Molecular Formula | C13H8Cl2N2O |
| Molecular Weight | 279.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C13H8Cl2N2O, 3-(5,7-Dichlorobenzo[d]oxazol-2-yl)aniline contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 279.12 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
3-(5,7-Dichlorobenzo[d]oxazol-2-yl)aniline (CAS 293738-22-4), molecular formula C13H8Cl2N2O and molecular weight 279.12 g/mol, is a CATO reference standard with documented purity and traceability.
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 3-(5,7-Dichlorobenzo[d]oxazol-2-yl)aniline 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 | C13H8Cl2N2O |
| Molecular Weight | 279.12 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Dichlorobenzo Standards
- 4-(5,7-Dichlorobenzo[d]oxazol-2-yl)aniline (CAS 293738-23-5)
- N-(4,7-Dichlorobenzo[d]thiazol-2-yl)cyclopropanecarboxamide (CAS 912768-23-1)
- 5,7-Dichlorobenzo[c][1,2,5]oxadiazole-4-sulfonyl chloride (CAS 890095-79-1)
- 3,4-Dichlorobenzo[b]thiophene-2-carbonyl chloride (CAS 34576-86-8)
- 5-(5,7-Dichlorobenzo[d]oxazol-2-yl)-2-methylaniline (CAS 380882-58-6)
- 2,3-dichlorobenzo[f]quinoxaline (CAS 26907-93-7)
- 1,3-Dichlorobenzo[4,5]imidazo[1,2-a]pyridine-4-carbonitrile (CAS 170894-91-4)
- 3,6-Dichlorobenzo[b]thiophene-2-carbohydrazide (CAS 329219-49-0)
Recommended Standards
- 2-Chloro-5-(5-chloro-1,3-benzoxazol-2-yl)aniline (CAS 443290-23-1)
- 3,3’-Dichlorobenzil (CAS 35190-07-9)
- 2-{[(2,4-dichlorophenyl)methyl]amino}pyrimidine-5-carbonitrile (CAS 400084-62-0)
- 2-(4-Chlorobenzoyl)benzoyl chloride (CAS 42156-76-3)
- 6-Methyl-1H-indole-5-carbaldehyde (CAS 1240321-98-5)
- N-(3,5-dimethylphenyl)-N-(phenylsulfonyl)glycine (CAS 412939-58-3)
- 2-Chloro-4-fluorobiphenyl-3-amine (CAS 1226002-02-3)
- Tert-butyl 3-(pyrazin-2-ylamino)azetidine-1-carboxylate (CAS 1380300-41-3)
- 4-(4-Fluorophenoxy)-1H-pyrazole (CAS 1429902-97-5)
- 2-(2,2,2-Trifluoroethoxy)-1,3,2-dioxaphospholane 2-oxide (CAS 67605-68-9)
- 6-Methoxy-9-methyl-9H-purin-2-amine (CAS 61580-66-3)
- 3-((5,6,7,8-Tetrahydronaphthalen-2-yl)oxy)propanoic acid (CAS 97024-60-7)
- 3-Methyl-6-(1-methylhydrazinyl)pyrimidine-2,4(1H,3H)-dione (CAS 42747-84-2)
- (Ser(PO?H?)3??·???)-Tau Peptide (379-408) trifluoroacetate salt (CAS 2022956-60-9)
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