2-(3-Nitrophenyl)oxazolo[4,5-b]pyridine CAS 52333-60-5
| CAS No. | 52333-60-5 |
| Molecular Formula | C12H7N3O3 |
| Molecular Weight | 241.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-(3-Nitrophenyl)oxazolo[4,5-b]pyridine 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.
CATO supplies 2-(3-Nitrophenyl)oxazolo[4,5-b]pyridine (CAS 52333-60-5), a certified reference material (molecular formula C12H7N3O3, MW 241.20 g/mol) for analytical method development and quality control.
Structurally, 2-(3-Nitrophenyl)oxazolo[4,5-b]pyridine (C12H7N3O3) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 241.20 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C12H7N3O3 |
| Molecular Weight | 241.20 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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 |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1971 |
| Nitrogen Atoms | 3 |
Related Nitrophenyl Standards
- 2-(4-Nitrophenyl)-[1,2,4]triazolo[1,5-a]pyrazine (CAS 143211-63-6)
- 6-(3-Nitrophenyl)-9H-purine (CAS 918537-00-5)
- (4-Nitrophenyl)(p-tolyl)methanone (CAS 5350-47-0)
- 1-(3-Nitrophenyl)-2-phenylethan-1-one (CAS 55251-37-1)
- 1-(4-Nitrophenyl)-2-phenylethan-1-one (CAS 3769-84-4)
- 2-(2-Nitrophenyl)-1-phenylethanone (CAS 4212-33-3)
- 2-(4-Nitrophenyl)-1-phenylethan-1-one (CAS 3769-82-2)
- Ethyl 2-((2-nitrophenyl)thio)acetate (CAS 24290-27-5)
Recommended Standards
- 2-(2-Formyl-1H-pyrrol-1-yl)-5-nitrobenzonitrile (CAS 881041-11-8)
- 2-(4,5-Dimethoxy-2-nitrophenyl)acetic acid (CAS 73357-18-3)
- 2-((4-(Carboxymethoxy)-6-methylpyrimidin-2-yl)amino)acetic acid (CAS 651723-71-6)
- 2,3,4-Trimethoxy-6-nitrobenzaldehyde (CAS 52978-83-3)
- bis[(1R,2S,5R)-5-methyl-2-(propan-2-yl)cyclohexyl] [(2S)-3-azido-2-hydroxypropyl]phosphonate (CAS 1486468-89-6)
- 3,3-Dimethyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrrolo[2,3-b]pyridin-2(3H)-one (CAS 1359968-87-8)
- 5,6,7,8-TETRAHYDRO-4H-THIENO[2,3-C]AZEPINE HCL (CAS 1799420-94-2)
- 2-Isopropyl-4-methylphenol (CAS 4427-56-9)
- 4-Chloro-3-(morpholine-4-carbonyl)phenylboronic Acid (CAS 871332-71-7)
- 2,5-diisopropylpyrazine (CAS 24294-83-5)
- 1,2,4,7,8-Pentachlorodibenzofuran (CAS 58802-15-6)
- 1,1'-(6a-Hydroxy-2,3a,5-trimethyltetrahydrofuro[2,3-d][1,3]dioxole-2,5-diyl)bis(ethan-1-one) (CAS 18114-49-3)
- 2,2,2-Trifluoroethyl n-[2-(pyridin-2-yl)ethyl]carbamate (CAS 1197750-00-7)
- Semaglutide Impurity 130 (CAS 1188328-40-6)
Why CATO?
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