2-((5-Chloropyridin-3-yl)oxy)-5-nitrobenzoic acid CAS 239081-09-5
| CAS No. | 239081-09-5 |
| Molecular Formula | C12H7ClN2O5 |
| Molecular Weight | 294.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 2-((5-Chloropyridin-3-yl)oxy)-5-nitrobenzoic acid.
CATO supplies 2-((5-Chloropyridin-3-yl)oxy)-5-nitrobenzoic acid (CAS 239081-09-5), a certified reference material (molecular formula C12H7ClN2O5, MW 294.65 g/mol) for analytical method development and quality control.
Based on its molecular formula C12H7ClN2O5, 2-((5-Chloropyridin-3-yl)oxy)-5-nitrobenzoic acid 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 294.65 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 2-((5-Chloropyridin-3-yl)oxy)-5-nitrobenzoic acid 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 | C12H7ClN2O5 |
| Molecular Weight | 294.65 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| 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 Chloropyridin Standards
- 1-(5-Chloropyridin-2-yl)-2-phenylethan-1-one (CAS 361467-77-8)
- 1-(2-Chloropyridin-3-yl)-3-(2-methoxyphenyl)thiourea (CAS 69437-74-7)
- 1-(2-Chloropyridin-3-yl)-3-(4-methoxyphenyl)thiourea (CAS 69437-75-8)
- 5-(2-Chloropyridin-3-yl)-3-(2,6-difluorophenyl)-1,2,4-oxadiazole (CAS 1707576-16-6)
- 5-(6-Chloropyridin-3-yl)-3-(2,6-difluorophenyl)-1,2,4-oxadiazole (CAS 1774901-12-0)
- 5-(2-Chloropyridin-4-yl)-3-(2,6-difluorophenyl)-1,2,4-oxadiazole (CAS 1774901-22-2)
- 2-(2-Chloropyridin-3-yl)-5,6-dimethyl-1-(prop-2-yn-1-yl)-1H-benzo[d]imidazole (CAS 344279-20-5)
- (E)-{[4-(6-chloropyridin-2-yl)piperazin-1-yl](methylsulfanyl)methylidene}(cyano)amine (CAS 339107-30-1)
Recommended Standards
- 5-(3-((2-Chlorophenoxy)methyl)-1,2,4-oxadiazol-5-yl)-1,3,4-oxadiazol-2(3H)-one (CAS 1215453-59-0)
- 2-Chloro-6-(2,6-dioxopiperidin-3-yl)-5H-pyrrolo[3,4-b]pyrazine-5,7(6H)-dione (CAS 2751702-57-3)
- 2-(2-Chloro-4-nitrophenoxy)pyridine-4-carboxylic acid (CAS 1183359-87-6)
- 4-(6-Chloro-2-(trifluoromethyl)pyrimidin-4-yl)piperazine-1-carbaldehyde (CAS 1023813-57-1)
- 3-((5-Bromo-2-methoxybenzyl)(methyl)amino)propanenitrile (CAS 1240842-05-0)
- Tert-butyl ((4-(aminomethyl)-2-oxabicyclo[2.1.1]Hexan-1-yl)methyl)carbamate (CAS 2260936-16-9)
- (5Z)–Lycopene (CAS 101468-86-4)
- 4-Chloro-n-ethyl-3-nitrobenzenesulfonamide (CAS 43041-67-4)
- 3-fluoroprop-2-ynoic acid (CAS 2760252-13-7)
- 5-(Aminomethyl)-2,4-dihydro-3H-pyrazol-3-one (CAS 757161-05-0)
- 1-(2,3-Dihydro-1H-inden-5-yl)ethan-1-one (CAS 4228-10-8)
- 4-(Imidazo[2,1-b]thiazol-6-yl)phenol (CAS 266685-19-2)
- Bis(3-(triethoxysilyl)propyl)amine (CAS 13497-18-2)
- D-β-Asp15-Tirzepatide (CAS CATO-CPTD788930)
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