6-Methyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-3-carbaldehyde CAS 1706431-19-7
| CAS No. | 1706431-19-7 |
| Molecular Formula | C8H10N2O2 |
| Molecular Weight | 166.18 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 6-Methyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-3-carbaldehyde.
6-Methyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-3-carbaldehyde (CAS 1706431-19-7) is a high-purity analytical reference standard with the molecular formula C8H10N2O2 and a molecular weight of 166.18 g/mol.
The molecular framework of 6-Methyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-3-carbaldehyde (C8H10N2O2) is characterized by an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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 6-Methyl-6,7-dihydro-5H-pyrazolo[5,1-b][1,3]oxazine-3-carbaldehyde 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 | C8H10N2O2 |
| Molecular Weight | 166.18 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 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Nitrogen Atoms | 2 |
Related Methyl Standards
- 1-(6,7-Dihydro-4H-pyrazolo[5,1-c][1,4]oxazin-3-yl)ethanone (CAS 105224-20-2)
- 2-(4,5-Dihydro-1H-imidazol-2-yl)-5-methyl-2,4-dihydro-3H-pyrazol-3-one (CAS 111988-05-7)
- (R)-6,7-dihydro-5H-pyrrolo[1,2-a]imidazol-7-yl acetate (CAS 1221187-79-6)
- (3,4-Dihydro-2H-pyrido[3,2-b][1,4]oxazin-6-yl)methanol (CAS 1256806-94-6)
- 4-Methyl-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-2-carboxylic acid (CAS 1314986-72-5)
- 2-Methyl-5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-5-carboxylic acid (CAS 1368179-03-6)
- Methyl 5,6-dihydro-4H-pyrrolo[1,2-b]pyrazole-6-carboxylate (CAS 1369802-54-9)
- 6,8-Dihydro-5H-pyrano[3,4-d]pyrimidine-2,5-diamine (CAS 1391732-68-5)
Recommended Standards
- 4-Amino-2-hydroxy-N-methylbenzamide (CAS 170368-39-5)
- 4-Acetyl-N-methyl-1H-pyrrole-2-carboxamide (CAS 1706443-11-9)
- 3-Methyl-5,6-dihydro-4H-isoxazolo[5,4-b]azepin-7(8H)-one (CAS 170312-27-3)
- 5-Cyclobutylpyrimidine-4,6-diol (CAS 1706451-13-9)
- 2-(3-(Trifluoromethyl)phenyl)thiazole-4-carbohydrazide (CAS 400083-64-9)
- 6-Ethoxyquinoline-4-carboxylic acid (CAS 525-39-3)
- Methyl 2-(3,4-Dimethoxyphenyl)acetate (CAS 15964-79-1)
- 2-Hydrazinyl-4-(1H-imidazol-1-yl)-6-methylpyrimidine (CAS 1502217-62-0)
- Tert-butyl (4-(hydroxymethyl)bicyclo[2.2.1]Heptan-1-yl)carbamate (CAS 1417551-43-9)
- 1-bromo-4-methylheptane (CAS 88467-55-4)
- n-Benzyl-3,4-dimethoxyaniline (CAS 39217-14-6)
- (4-Ethylphenyl)(3-methanesulfonylphenyl)methanamine (CAS 1021067-15-1)
- 3-((tert-Butoxycarbonyl)amino)-3-(2-methoxyphenyl)propanoic acid (CAS 284493-52-3)
- Semaglutide impurity 71 (CAS CATO-C4X-222671)
Why CATO?
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