5H,6H,7H-pyrazolo[3,2-b][1,3]oxazin-2-ylmethanamine dihydrochloride CAS 1808770-39-9
| CAS No. | 1808770-39-9 |
| Molecular Formula | C7H11N3O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
5H,6H,7H-pyrazolo[3,2-b][1,3]oxazin-2-ylmethanamine dihydrochloride (CAS 1808770-39-9), molecular formula C7H11N3OHCl and molecular weight 189.64 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of 5H,6H,7H-pyrazolo[3,2-b][1,3]oxazin-2-ylmethanamine dihydrochloride (C7H11N3OHCl) is characterized by an amide group, a hydroxyl group, an ether linkage, chlorine substitution. 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. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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.
Physical & Chemical Properties
| Molecular Formula | C7H11N3O 2*HCl |
| Molecular Weight | 189.64 g/mol |
| Appearance | White to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Recommended Standards
- 4-Chlorobenzenesulfonyl chloride (CAS 98-60-2)
- NSC 23766 TriHCl (CAS 1177865-17-6)
- 202114-53-2 Fmoc-Leu-OH-1-13C L-Leucine-1-13C, N-Fmoc N-(9-Fluorenylmethoxycarbonyl)-L-leucine-1-13C (CAS 202114-53-2)
- 2,2'-((5,8-Dihydroxy-9,10-dioxo-9,10-dihydroanthracene-1,4-diyl)bis(azanediyl))bis(N,N-dimethylethanamine oxide) dihydrochloride (CAS 252979-56-9)
- 5-Bromo-4-chloro-6-ethylpyrimidine (CAS 141602-27-9)
- NH-bis(C2-PEG2-NH-Boc) (CAS 2182601-69-8)
- 3,4,6-Trifluoro-2-methylbenzoic Acid (CAS 119916-22-2)
- 2-(4-Methylpiperidin-1-yl)-5,6,7,8-tetrahydropyrido[3,4-d]pyrimidin-4(3H)-one (CAS 917748-99-3)
- 1-Methyl-3-(oxan-4-yl)-1H-pyrazole-4-carbaldehyde (CAS 1782032-82-9)
- Des-Gly29,30-Tirzepatide (CAS CATO-CPTD788944)
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