2,3-Dihydro-1H-pyrido[2,3-b][1,4]oxazine-7-carboxylic acid CAS 1261809-98-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1261809-98-6 |
| Molecular Formula | C8H8N2O3 |
| Molecular Weight | 180.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,3-Dihydro-1H-pyrido[2,3-b][1,4]oxazine-7-carboxylic acid (CAS 1261809-98-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C8H8N2O3. Molecular weight: 180.16 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C8H8N2O3 |
| Molecular Weight | 180.16 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 2 |
Related Dihydro Standards
- 3,4-Dihydro-2H-pyrido[3,2-b]-[1,4]oxazine-2-carboxylic acid (CAS 1086375-44-1)
- (E)-2,3-dihydro-[1,4]dioxino[2,3-b]pyridine-8-carbaldehyde oxime (CAS 1246090-99-2)
- 7,8-Dihydro-5H-pyrano[4,3-d]pyrimidine-4-carboxylic acid (CAS 1468881-88-0)
- 5,8-Dihydro-6H-pyrano[3,4-d]pyrimidine-4-carboxylic acid (CAS 1512368-96-5)
- 3,4-Dihydro-2H-pyrido[3,2-b][1,4]oxazine-7-carboxylic acid (CAS 1823366-40-0)
- 2,3-dihydro-1,4-benzodioxin-6-yl formate (CAS 782471-87-8)
- 2,4-Dihydro-1,3-benzodioxine-6-carboxylic acid (CAS 33835-87-9)
- 5-Ethyl-5,6-dihydro-1H-imidazo[4,5-d]pyridazine-4,7-dione (CAS 444285-07-8)
Recommended Standards
- Methyl 4-amino-5-formylpicolinate (CAS 1260663-99-7)
- 4-Nitro-6,7-dihydro-5H-cyclopenta[b]pyridine 1-oxide (CAS 126259-73-2)
- 3-(hydroxymethyl)-1-methyl-1H,4H,5H-pyrazolo[3,4-d]pyrimidin-4-one (CAS 1260656-84-5)
- Ethyl 5-(5-methylisoxazol-4-yl)-1,2,4-oxadiazole-3-carboxylate (CAS 1342289-33-1)
- 7-Chloro-2-cyclobutyl-5-methyl-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 1379811-78-5)
- 5-Bromo-6-methylindole (CAS 1000343-13-4)
- 1-{[1,2,3,4]tetrazolo[1,5-a]pyrazin-5-yl}-1h-pyrazole-4-carboxylic acid (CAS 1282434-07-4)
- 2-((((9H-Fluoren-9-yl)methoxy)carbonyl)amino)-3-methylbenzoic acid (CAS 885951-04-2)
- 4,4,4-Trifluoro-2-(4-fluoro-phenyl)-3-oxo-butyronitrile hydrate (CAS 2331260-23-0)
- Peptide Impurity 27 (CAS 1350456-68-6)
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