2-(3-Hydroxypropyl)-2h,3h-[1,2,4]triazolo[4,3-a]pyridin-3-one CAS 53689-26-2
| CAS No. | 53689-26-2 |
| Molecular Formula | C9H11N3O2 |
| Molecular Weight | 193.20 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-(3-Hydroxypropyl)-2h,3h-[1,2,4]triazolo[4,3-a]pyridin-3-one is closely related to an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
2-(3-Hydroxypropyl)-2h,3h-[1,2,4]triazolo[4,3-a]pyridin-3-one (CAS 53689-26-2) is a high-purity analytical reference standard with the molecular formula C9H11N3O2 and a molecular weight of 193.20 g/mol.
Structurally, 2-(3-Hydroxypropyl)-2h,3h-[1,2,4]triazolo[4,3-a]pyridin-3-one (C9H11N3O2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 6.0, corresponding to approximately 6 ring(s) or double-bond equivalent(s). With a molecular weight of 193.20 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C9H11N3O2 |
| Molecular Weight | 193.20 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Nitrogen Atoms | 3 |
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- 3-((3-Hydroxypropyl)amino)tetrahydrothiophene 1,1-dioxide (CAS 56878-90-1)
- 4-(3-Hydroxypropyl)thiomorpholine 1,1-dioxide (CAS 205194-33-8)
- 3-(3-Hydroxypropyl)isobenzofuran-1(3H)-one (CAS 124888-91-1)
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Recommended Standards
- 2-(3-Hydroxy-4,5-dimethoxyphenyl)acetonitrile (CAS 408335-71-7)
- 2-(4-(Dimethylamino)phenyl)-2-oxoacetic acid (CAS 63756-72-9)
- 2-(3-Acetamidophenyl)acetic acid (CAS 37777-54-1)
- 2-(4-Acetylphenoxy)acetamide (CAS 42017-88-9)
- 1-(2-Cyanoethyl)-1-methylurea (CAS 686-56-6)
- 2-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)amino)-N-((dimethylamino)methylene)acetamide (CAS 303148-19-8)
- 3-ethyl-3-methylazetidine hydrochloride (CAS 1803609-20-2)
- N-(2-chloro-5-(trifluoromethyl)phenyl)-2-((4-chlorobenzyl)amino)acetamide (CAS 297150-43-7)
- 4,4'-((2-Methyl-2-((pyridin-4-yloxy)methyl)propane-1,3-diyl)bis(oxy))dipyridine (CAS 1228960-86-8)
- 2-{[(4-fluorophenyl)methyl]amino}propanoic acid (CAS 1396962-52-9)
- Avatrombopag Impurity 45 (CAS CATO-C4X-223445)
- 2-((4,5-Dihydro-1H-imidazol-2-yl)thio)-1-phenylethan-1-one hydrobromide (CAS 32188-94-6)
- 2-(2-Carboxycyclopropane-1-carboxamido)-6-methylbenzoic acid (CAS 1274891-95-0)
- Semaglutide impurity 101 (CAS CATO-C4X-2226101)
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