2-Chloro-5-(5-chloro-1,3-benzoxazol-2-yl)aniline CAS 443290-23-1
| CAS No. | 443290-23-1 |
| Molecular Formula | C13H8Cl2N2O |
| Molecular Weight | 279.12 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.
CATO supplies 2-Chloro-5-(5-chloro-1,3-benzoxazol-2-yl)aniline (CAS 443290-23-1), a certified reference material (molecular formula C13H8Cl2N2O, MW 279.12 g/mol) for analytical method development and quality control.
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution, 2-Chloro-5-(5-chloro-1,3-benzoxazol-2-yl)aniline is typically pale yellow to yellow low-melting solid. Its solid-state physicochemical attributes — including a molecular weight of 279.12 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
As a certified reference material (CRM), 2-Chloro-5-(5-chloro-1,3-benzoxazol-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 Chloro Standards
- 4-Chloro-1-(3-chloro-2-methylphenyl)-1H-pyrazolo[3,4-d]pyrimidine (CAS 1207832-97-0)
- 4-Chloro-1-(3-chlorobenzyl)-1H-pyrazolo[3,4-d]pyrimidine (CAS 1405704-66-6)
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- 4-Chloro-3-(5-chlorobenzo[d]oxazol-2-yl)aniline (CAS 293737-70-9)
- 6-Chloro-2-(2-chlorophenyl)-1H-1,3-benzodiazol-1-ol (CAS 338978-74-8)
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Recommended Standards
- 2-{[(2,4-dichlorophenyl)methyl]amino}pyrimidine-5-carbonitrile (CAS 400084-62-0)
- 3-(5,7-Dichlorobenzo[d]oxazol-2-yl)aniline (CAS 293738-22-4)
- 2-(4-Chlorobenzoyl)benzoyl chloride (CAS 42156-76-3)
- 3,3’-Dichlorobenzil (CAS 35190-07-9)
- 2-Methoxy-4-(1H-1,2,4-triazol-3-yl)phenol (CAS 1416345-36-2)
- N-(2,3-dihydro-1H-isoindol-5-yl)-2,2,2-trifluoroacetamide hydrochloride (CAS 1909328-14-8)
- 6-Methoxy-2-methyl-3,4-dihydroquinoline (CAS 646039-18-1)
- N-(4-Aminophenyl)-2-(2-methoxyethoxy)benzamide (CAS 1020055-29-1)
- 1-Methyl-3-(1,4-dioxaspiro[4.5]Decan-8-yl)urea (CAS 1423785-81-2)
- 3-Amino-2-nitrobenzaldehyde (CAS 1261498-24-1)
- 1-Ethyl-2,5,6-trimethyl-1H-benzo[d]imidazole (CAS 116313-47-4)
- 2-Propenoic acid, 3,3,4,4,5,5,6,6,7,7,8,8,9,9,10,10,11,11,12,12,13,13,14,14,14-pentacosafluorotetradecyl ester (CAS 34395-24-9)
- 1,1'-(3-Methylene-3,4-dihydro-[1,1'-biphenyl]-4,4'-diyl)bis(1H-pyrrole-2,5-dione) (CAS 13360-85-5)
- Semaglutide impurity 193 (CAS CATO-C4X-2226193)
Why CATO?
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