Ethyl 5-(hydroxymethyl)-5-methyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-2-carboxylate CAS 2413409-70-6
| CAS No. | 2413409-70-6 |
| Molecular Formula | C11H16N2O4 |
| Molecular Weight | 240.26 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 240.26 g/mol gives Ethyl 5-(hydroxymethyl)-5-methyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-2-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Ethyl 5-(hydroxymethyl)-5-methyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-2-carboxylate (CAS 2413409-70-6), molecular formula C11H16N2O4 and molecular weight 240.26 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Ethyl 5-(hydroxymethyl)-5-methyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-2-carboxylate (C11H16N2O4) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 240.26 g/mol, it falls into the medium-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
CATO manufactures Ethyl 5-(hydroxymethyl)-5-methyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-2-carboxylate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C11H16N2O4 |
| Molecular Weight | 240.26 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2000 |
| Nitrogen Atoms | 2 |
Related Ethyl Standards
- 1-(3,3-Bis(hydroxymethyl)cyclobutyl)-5-methylpyrimidine-2,4(1H,3H)-dione (CAS 138420-48-1)
- Ethyl 6-(hydroxymethyl)-5,6,7,8-tetrahydropyrazolo[5,1-b][1,3]oxazepine-2-carboxylate (CAS 2413410-27-0)
- 9-(Hydroxymethyl)-9H-fluorene-2-carboxylic acid (CAS 1003046-00-1)
- 4-(4-Hydroxymethyl-3-methoxyphenoxy)-butyric acid (CAS 136849-75-7)
- (S)-2-(2-(Hydroxymethyl)pyrrolidin-1-yl)-N-(2,2,2-trifluoroethyl)acetamide (CAS 1333667-89-2)
- (3-(Hydroxymethyl)piperidin-1-yl)(4-methylthiazol-5-yl)methanone (CAS 1155632-04-4)
- 1-((1-(Hydroxymethyl)cyclopropyl)methyl)-3-(thiophen-2-ylmethyl)urea (CAS 1257549-01-1)
- (3-(Hydroxymethyl)piperidin-1-yl)(2-methylthiazol-4-yl)methanone (CAS 1491735-43-3)
Recommended Standards
- Ethyl 4,6-diethoxypyridazine-3-carboxylate (CAS 679405-89-1)
- Ethyl 6-(dimethoxymethyl)-2-methylpyrimidine-4-carboxylate (CAS 944901-45-5)
- Ethyl 3-butyl-2,4-dioxo-1,2,3,4-tetrahydropyrimidine-5-carboxylate (CAS 94820-42-5)
- Ethyl 2-cyano-2-(quinolin-2-yl)acetate (CAS 22190-15-4)
- 1,4-Dichloro-2,5-bis(dichloromethyl)benzene (CAS 41999-84-2)
- (E)-Methyl 2-(2-((6-(2-carbamoylphenoxy)pyrimidin-4-yl)oxy)phenyl)-3-methoxyacrylate (CAS 131860-82-7)
- 4-Hydrazinyl-7-(trifluoromethyl)quinoline (CAS 49612-01-3)
- 1-Ethyl-3-methylpyrimidine-2,4(1H,3H)-dione (CAS 62415-62-7)
- 2-(2,4-Dichlorophenyl)cyclopropan-1-amine (CAS 1001317-70-9)
- (3-(Pyrimidin-2-yloxy)phenyl)methanol (CAS 82440-25-3)
- 2-Phenylimidazo[1,2-a]quinoline (CAS 74944-11-9)
- 3-(2-(Aminooxy)ethoxy)propanoic acid (CAS 1591849-14-7)
- 5-Cyclohexyl-2-methylpiperidine (CAS 1516561-40-2)
- Semaglutide-d8 Tetratrifluoroacetate (CAS CATO-C4X-222617)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com