6-Chloro-3-[(1S)-2-hydroxy-1-methyl-ethyl]-8-(2-methoxyethyl)pyrido[3,4-d]pyrimidin-4-one CAS 2648159-89-9
| CAS No. | 2648159-89-9 |
| Molecular Formula | C13H16ClN3O3 |
| Molecular Weight | 297.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 297.74 g/mol gives 6-Chloro-3-[(1S)-2-hydroxy-1-methyl-ethyl]-8-(2-methoxyethyl)pyrido[3,4-d]pyrimidin-4-one distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
6-Chloro-3-[(1S)-2-hydroxy-1-methyl-ethyl]-8-(2-methoxyethyl)pyrido[3,4-d]pyrimidin-4-one (CAS 2648159-89-9), molecular formula C13H16ClN3O3 and molecular weight 297.74 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 6-Chloro-3-[(1S)-2-hydroxy-1-methyl-ethyl]-8-(2-methoxyethyl)pyrido[3,4-d]pyrimidin-4-one (C13H16ClN3O3) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 297.74 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.
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 | C13H16ClN3O3 |
| Molecular Weight | 297.74 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, 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; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2002 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related Chloro Standards
- 11-Chloro-2-methyl-2,3-dihydro-1H-dibenzo[2,3:6,7]oxepino[4,5-c]pyrrol-1-one, 97% (CAS 1012884-46-6)
- 3-Benzyl-4-chloro-1-phenyl-1h-pyrrole-2,5-dione (CAS 1033200-81-5)
- 6-Chloro-2-(p-tolyl)quinoline-4-carboxylic acid, 97% (CAS 103914-61-0)
- 2-(2-Chloro-6-morpholino-7H-purin-8-yl)propan-2-ol (CAS 1198171-62-8)
- 6-Chloro-3-methyl-2-phenylquinoline-4-carboxylic acid (CAS 154869-06-4)
- 2-(2-Chloro-4-phenylquinolin-3-yl)acetic acid (CAS 1706450-09-0)
- 6-Chloro-N2,N4-diphenyl-1,3,5-triazine-2,4-diamine (CAS 1973-09-7)
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Recommended Standards
- 6-Chloro-2-methyl-4-phenylquinoline-3-carboxylic acid (CAS 312758-85-3)
- 7-Chloro-8-methyl-2-phenylquinoline-4-carboxylic acid (CAS 500346-26-9)
- 6-Chloro-2-(o-tolyl)quinoline-4-carboxylic acid (CAS 669726-49-2)
- 7-Chloro-9-phenyl-2h,3h-[1,4]dioxino[2,3-g]quinoline (CAS 730949-67-4)
- Wedelolactone (CAS 524-12-9)
- 4-Chloro-3-iodo-1H-pyrrolo[3,2-c]pyridine (CAS 1190313-39-3)
- 3,3-Bis(hydroxymethyl)chroman-4-one (CAS 29107-26-4)
- Be in water quality (CAS CATO-CQCM102208)
- 4-Chloro-7-fluoro-2,3-dihydro-1H-inden-1-one (CAS 1260018-63-0)
- 1-Methoxy-4-(pyridin-3-yl)isoquinolin-5-ol (CAS 656234-06-9)
- N-(5-Amino-2-methoxyphenyl)-2-propoxybenzamide (CAS 1020055-67-7)
- 3-(3-Hydroxypropyl)-3,4-dihydropyrimidin-4-one (CAS 1341983-10-5)
- 7-Methoxy-4-oxo-4H-chromene-2-carbonitrile (CAS 33544-14-8)
- Insulin Degludec Impurity 5 (CAS CATO-C4X-21575)
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