6-(3-methoxyphenyl)-3-methylisoxazolo[5,4-b]pyridine-4-carboxylic acid CAS 1011389-03-9
| CAS No. | 1011389-03-9 |
| Molecular Formula | C15H12N2O4 |
| Molecular Weight | 284.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 6-(3-methoxyphenyl)-3-methylisoxazolo[5,4-b]pyridine-4-carboxylic acid (CAS 1011389-03-9), a certified reference material (molecular formula C15H12N2O4, MW 284.27 g/mol) for analytical method development and quality control.
Structurally, 6-(3-methoxyphenyl)-3-methylisoxazolo[5,4-b]pyridine-4-carboxylic acid (C15H12N2O4) contains a flavonoid core, 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 284.27 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.
As a certified reference material (CRM), 6-(3-methoxyphenyl)-3-methylisoxazolo[5,4-b]pyridine-4-carboxylic 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 | C15H12N2O4 |
| Molecular Weight | 284.27 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.) | 1988 |
| Nitrogen Atoms | 2 |
Related methoxyphenyl Standards
- 3-(4-methoxyphenyl)-6-methylisoxazolo[5,4-b]pyridine-4-carboxylic acid (CAS 1018143-33-3)
- 1242864-16-9 7-(4-Methoxyphenyl)-1-methylpyrimido[4,5-d]pyrimidine-2,4(1H,3H)-dione MFCD15732335 (CAS 1242864-16-9)
- 6-(2-methoxyphenyl)-3-methylpyrido[3,2-d][1,2]oxazole-4-carboxylic acid (CAS 954253-94-2)
- 6-(4-Methoxyphenyl)-3-methyl-[1,2]oxazolo[5,4-b]pyridine-4-carboxylic acid (CAS 938001-71-9)
- N-(4-Methoxyphenyl)-4-oxa-1,3,5,7,10,11,12-heptaazatricyclo[7.3.0.0{2,6}]dodeca-2,5,7,9,11-pentaen-8-amine (CAS 709618-09-7)
- 1,3-bis(2-methoxyphenyl)propane-1,3-dione (CAS 142472-15-9)
- (3-Methoxyphenyl)(5-(2-methylfuran-3-yl)-1H-1,2,4-triazol-3-yl)methanamine (CAS 1707735-82-7)
- 1,3-Bis(4-methoxyphenyl)-1,3-propanedione (CAS 18362-51-1)
Recommended Standards
- (-)-Maackiain (CAS 2035-15-6)
- Obtusifolin (CAS 477-85-0)
- 4-(Benzyloxy)-3-methoxy-2-nitrobenzonitrile (CAS 1019115-11-7)
- Oroxylin A (CAS 480-11-5)
- 2-(Difluoromethoxy)-3-fluoro-1-methyl-4-nitrobenzene (CAS 1803838-55-2)
- (R)-(1-Methylpyrrolidin-3-yl)methanamine (CAS 1207541-15-8)
- 5-Bromo-2,3-dihydrobenzofuran-4-ol (CAS 2279149-27-6)
- Methyl 2-(2-bromo-1,3-benzothiazol-6-yl)acetate (CAS 1056557-90-4)
- 2-Cyano-N-(4-sulfamoylphenyl)acetamide (CAS 32933-40-7)
- (2-(Piperidin-1-yl)thiazol-4-yl)methanamine (CAS 1083245-82-2)
- 2-(Methoxymethyl)-3-methylbutane-1-sulfonamide (CAS 1491227-47-4)
- 7-(2-Chlorobenzyl)-1,3-dimethyl-8-(piperidin-1-yl)-1H-purine-2,6(3H,7H)-dione (CAS 317842-06-1)
- 5-Ethyl-3-methyl-5-phenyloxazolidin-2-one (CAS 649568-45-6)
- Semaglutide impurity 198 (CAS CATO-C4X-2226198)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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