(2R)-2-[3-(2-methoxyethoxy)-5-oxo-1,6-naphthyridin-6-yl]propanoic acid;naphthalene-2-sulfonic acid CAS 1643590-80-0
| CAS No. | 1643590-80-0 |
| Molecular Formula | C14H24N2O5 |
| 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.
(2R)-2-[3-(2-methoxyethoxy)-5-oxo-1,6-naphthyridin-6-yl]propanoic acid;naphthalene-2-sulfonic acid (CAS 1643590-80-0), molecular formula C14H24N2O5C10H18O3S and molecular weight 518.67 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (2R)-2-[3-(2-methoxyethoxy)-5-oxo-1,6-naphthyridin-6-yl]propanoic acid;naphthalene-2-sulfonic acid (C14H24N2O5C10H18O3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 518.67 g/mol, it falls into the moderately-high-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.
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 | C14H24N2O5 C10H18O3S |
| Molecular Weight | 518.67 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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.) | 1993 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related R Standards
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Recommended Standards
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- 2-Methyl-2H-indazole-6-carboxylic Acid Methyl Ester (CAS 1071433-01-6)
- 2-Methoxy-N-(2-(pyridin-3-yl)ethyl)acetamide (CAS 1252443-81-4)
- 5-Bromo-2-((tetrahydrofuran-3-yl)oxy)pyridine (CAS 494771-98-1)
- Tamsulosin Impurity 78 (CAS CATO-C4X-118778)
- Methyl 2-(4-(4-hydroxyphenyl)cyclohexylidene)acetate (CAS 701232-66-8)
- (3-Ethynylpiperidin-1-yl)(phenyl)methanone (CAS 1429309-24-9)
- 3-Amino-3-methyl-1-morpholinobutan-1-one (CAS 1236857-78-5)
- 2-(Aminomethyl)-6-methylphenol hydrochloride (CAS 1956330-87-2)
- Semaglutide impurity 61 (CAS CATO-C4X-222661)
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