3,4-Dihydro-2H-pyrido[1,2-a]pyrimidin-3-ol hydrochloride CAS 5993-97-5
| CAS No. | 5993-97-5 |
| Molecular Formula | C8H10N2O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C8H10N2OHCl, 3,4-Dihydro-2H-pyrido[1,2-a]pyrimidin-3-ol hydrochloride contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 186.64 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
3,4-Dihydro-2H-pyrido[1,2-a]pyrimidin-3-ol hydrochloride (CAS 5993-97-5) is a high-purity analytical reference standard with the molecular formula C8H10N2OHCl and a molecular weight of 186.64 g/mol.
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 3,4-Dihydro-2H-pyrido[1,2-a]pyrimidin-3-ol hydrochloride 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 | C8H10N2O HCl |
| Molecular Weight | 186.64 g/mol |
| Appearance | Off-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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Dihydro Standards
- 3-(3,6-Dihydro-2h-pyran-4-yl)benzoic acid (CAS 1000016-95-4)
- 1,7-Dihydro-dipyrrolo[2,3-b:3',2'-e]pyridine (CAS 1000342-79-9)
- Methyl 9,10-Dihydro-9-oxoacridine-4-carboxylate (CAS 100039-03-0)
- 3-(3,4-Dihydro-2h-benzo[b][1,4]dioxepin-7-yl)propan-1-ol (CAS 1000540-71-5)
- 2,5-Dihydro-1-(2-nitrophenyl)-5-oxo-1H-1,2,4-triazole-3-carboxylic acid dimethylamide (CAS 1000574-24-2)
- 5-(1,2-Dihydro-[1,1':4',1''-terphenyl]-2-yl)-3H-1,2,4-triazol-3-one (CAS 1000575-71-2)
- Ethyl 2,5-dihydro-5-oxo-1-[3-(trifluoromethyl)phenyl]-1H-1,2,4-triazole-3-carboxylate (CAS 1000576-65-7)
- 2,5-Dihydro-5-oxo-1-phenyl-1H-1,2,4-triazole-3-carboxylic acid (2-chlorophenyl)amide (CAS 1000576-93-1)
Recommended Standards
- 8-Chloro-7-iodo-2-methylimidazo[1,2-a]pyridine (CAS 1416551-60-4)
- (3R,3aS,6R,6aS)-6-(Methanesulfonyloxy)-hexahydrofuro[3,2-b]furan-3-yl methanesulfonate (CAS 24808-23-9)
- Methyl 2-methyl-2-(3-nitrophenyl)propanoate (CAS 103797-22-4)
- Methyl 4-amino-1-isopropyl-1h-pyrrole-2-carboxylate (CAS 1250608-35-5)
- Methyl 6-(2-methoxyethoxy)nicotinate (CAS 2379322-08-2)
- 6-Iodo-3-methyl-5-oxo-5H-thiazolo[3,2-a]pyridine-8-carbonitrile (CAS 2306268-48-2)
- 5-(3,4-Dimethylphenyl)pentanoic acid (CAS 35872-49-2)
- 4-Chloro-6-(2,3-dimethoxyphenyl)pyrimidin-2-amine (CAS 862168-16-9)
- methyl 4,5-dihydroxypyrrolo[2,1-f][1,2,4]triazine-6-carboxylate (CAS 1784944-87-1)
- Gly-Neuroendocrine Regulatory Peptide-3 (human, mouse, rat) trifluoroacetate salt (CAS 1815618-19-9)
Why CATO?
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