5-Ethyl-2-methylnicotinic acid CAS 22701-40-2
| CAS No. | 22701-40-2 |
| Molecular Formula | C9H11NO2 |
| Molecular Weight | 165.19 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 5-Ethyl-2-methylnicotinic acid 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.
5-Ethyl-2-methylnicotinic acid (CAS 22701-40-2), molecular formula C9H11NO2 and molecular weight 165.19 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C9H11NO2, 5-Ethyl-2-methylnicotinic acid contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 165.19 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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.
Physical & Chemical Properties
| Molecular Formula | C9H11NO2 |
| Molecular Weight | 165.19 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 |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 1 |
Related Ethyl Standards
Recommended Standards
- 5-Ethyl-2-methylisonicotinic acid (CAS 855270-32-5)
- 5-ethyl-2-pyridinecarbohydrazide (CAS 19842-04-7)
- 5-Cyclopropyl-4-methoxypyrimidin-2-amine (CAS 2654761-48-3)
- 5-Ethyl-4-methylpicolinic acid (CAS 98996-06-6)
- LX-2343 (CAS 333745-53-2)
- tert-Butyl ((1-(2-aminoacetyl)piperidin-4-yl)methyl)(cyclopropyl)carbamate (CAS 1353967-44-8)
- 2-Hydroxy-N,N,N-trimethylethan-1-aminium tetrafluoroborate (CAS 152218-75-2)
- Posaconazole Impurity 6 (CAS 149809-42-7)
- 4-Bromoquinoline-8-carbonitrile (CAS 1020743-28-5)
- 1-(4-Bromophenyl)-1-(4-chlorophenyl)-N-methylmethanamine (CAS 1156263-67-0)
- 2-{1-[(prop-2-en-1-ylsulfanyl)methyl]cyclopropyl}acetic acid (CAS 1001907-54-5)
- Tert-butyl (S)-2-(5-fluoro-4-oxo-3-phenyl-3,4-dihydropyrrolo[2,1-f][1,2,4]triazin-2-yl)azetidine-1-carboxylate (CAS 1977531-19-3)
- 1-Amino-2-hydroxy-3-phenylpropane, HCl (CAS 22820-51-5)
- Human IgE Pentapeptide HEPP (CAS 62087-72-3)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com