4-(5-Chlorobenzo[d]oxazol-2-yl)aniline CAS 293737-78-7
| CAS No. | 293737-78-7 |
| Molecular Formula | C13H9ClN2O |
| Molecular Weight | 244.68 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 244.68 g/mol gives 4-(5-Chlorobenzo[d]oxazol-2-yl)aniline distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
4-(5-Chlorobenzo[d]oxazol-2-yl)aniline (CAS 293737-78-7), molecular formula C13H9ClN2O and molecular weight 244.68 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C13H9ClN2O, 4-(5-Chlorobenzo[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 244.68 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), 4-(5-Chlorobenzo[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 | C13H9ClN2O |
| Molecular Weight | 244.68 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 Chlorobenzo Standards
- 3-(5-Chlorobenzo[d]oxazol-2-yl)aniline (CAS 293737-77-6)
- 3-(7-Chlorobenzo[d][1,3]dioxol-5-yl)-3-hydroxypropanoic acid (CAS 1248479-36-8)
- 2-Chlorobenzo[e]pyrido[1,2-a][1,3]diazepin-6(11h)-imine (CAS 295360-36-0)
- 3-Benzyl-5-chlorobenzo[d]isoxazole (CAS 887573-14-0)
- ((7-Chlorobenzo[d][1,3]dioxol-5-yl)methyl)glycine (CAS 1152538-97-0)
- 3-(7-Chlorobenzo[d][1,3]dioxol-5-yl)-2-oxopropanoic acid (CAS 1153355-02-2)
- 3-Chlorobenzo[4,5]imidazo[1,2-a]pyrimidine-2-carboxylic acid (CAS 1956331-37-5)
- 7-Chlorobenzo[1,2-d:3,4-d']bis(thiazole)-2-amine (CAS 1421529-92-1)
Recommended Standards
- 4-(4-Chlorophenyl)-2-methoxypyridine-3-carbonitrile (CAS 339103-56-9)
- 4-(7-Chloropyrazolo[1,5-a]pyridin-2-yl)phenol (CAS 885270-46-2)
- 4-(4-Amino-2-chlorophenoxy)benzonitrile (CAS 66658-86-4)
- 4-(Benzo[d]oxazol-2-yl)-3-chloroaniline (CAS 443125-30-2)
- tert-Butyl N-[2-amino-2-(3-methoxyphenyl)ethyl]carbamate (CAS 912762-85-7)
- Cyclo(-His-Phe) (CAS 56586-95-9)
- 4-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3,5-dibromobenzoic acid (CAS 2243507-04-0)
- Methyl (Z)-(3-bromo-4-methyl-5-oxofuran-2(5H)-ylidene)ethanoate (CAS 1451878-28-6)
- Ozenoxacin Impurity 44 (CAS CATO-C4X-279644)
- ethyl 7-(3-aminophenyl)pyrazolo[1,5-a]pyrimidine-3-carboxylate,HCl (CAS 1185449-65-3)
- (2E)-1-(3-Chlorophenyl)-3-(2-methoxyphenyl)prop-2-en-1-one (CAS 1013591-50-8)
- 5-(3-fluorophenoxymethyl)-2-methoxyaniline (CAS 1041538-54-8)
- 9-Methyl-2,3,4,5-tetrahydro-1H-benzo[e][1,4]diazepine (CAS 195986-82-4)
- Peptide 431 (CAS CATO-CPTD788431)
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