Ethyl 2-hydroxy-5-methylnicotinate CAS 85147-15-5
| CAS No. | 85147-15-5 |
| Molecular Formula | C9H11NO3 |
| Molecular Weight | 181.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, Ethyl 2-hydroxy-5-methylnicotinate (C9H11NO3) contains an amino-acid-derived structure, an amide 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 181.19 g/mol, it falls into the medium-molecular-weight range. 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).
Ethyl 2-hydroxy-5-methylnicotinate (CAS 85147-15-5), molecular formula C9H11NO3 and molecular weight 181.19 g/mol, is a CATO reference standard with documented purity and traceability.
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.
As a certified reference material (CRM), Ethyl 2-hydroxy-5-methylnicotinate meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C9H11NO3 |
| Molecular Weight | 181.19 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 methanol, ethanol, DMSO |
| 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.) | 1981 |
| Nitrogen Atoms | 1 |
Related Ethyl Standards
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- N-Hydroxy-2-methoxy-6-methylisonicotinimidamide (CAS 1122091-74-0)
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Recommended Standards
- Ethyl 2-hydrazinylisonicotinate (CAS 90090-94-1)
- Ethyl 2-hydroxy-6-methylnicotinate (CAS 51146-04-4)
- Ethyl 2-hydrazinonicotinate (CAS 292155-95-4)
- Ethyl 2-methyl-4-oxo-1,4-dihydropyridine-3-carboxylate (CAS 260389-91-1)
- 18:1 Glutaryl PE (CAS 111516-02-0)
- Methyl 2-methyl-5,6-dihydro-4H-cyclopenta[b]thiophene-3-carboxylate (CAS 2567557-93-9)
- 4,4',4"-(Benzene-1,3,5-triyltris(ethene-2,1-diyl))tribenzoic acid (CAS 2265870-17-3)
- Methyl 2-oxoheptanoate (CAS 54124-57-1)
- 2-Fluoro-4-methoxy-3-nitro-1-(trifluoromethyl)benzene (CAS 1881329-69-6)
- Lumateperone impurity 57 (CAS CATO-C4X-220157)
- 6,11-Dihydroxy-1-methoxytetracene-5,12-dione (CAS 38156-95-5)
- Leucocrystal Violet -15N3 (CAS 1958089-27-4)
- 3-(((4-Fluorophenyl)amino)methyl)-4-phenyl-1H-1,2,4-triazole-5(4H)-thione (CAS 482645-52-3)
- D-[Thr]5-Semaglutide (CAS CATO-C4X-2226245)
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