2-(Pyridin-4-yl)acetic acid CAS 28356-58-3
| CAS No. | 28356-58-3 |
| Molecular Formula | C7H7NO2 |
| Molecular Weight | 137.14 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C7H7NO2, 2-(Pyridin-4-yl)acetic 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 137.14 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
2-(Pyridin-4-yl)acetic acid (CAS 28356-58-3) is a high-purity analytical reference standard with the molecular formula C7H7NO2 and a molecular weight of 137.14 g/mol.
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), 2-(Pyridin-4-yl)acetic acid 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 | C7H7NO2 |
| Molecular Weight | 137.14 g/mol |
| 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.) | 1965 |
| Nitrogen Atoms | 1 |
Related Pyridin Standards
- 1-(Pyridin-2-yl)urea (CAS 13114-64-2)
- (Pyridin-3-yl)urea (CAS 13114-65-3)
- 2-(Pyridin-2-yloxy)acetaldehyde (CAS 850536-58-2)
- 1-(Pyridin-3-yl)propan-2-ol (CAS 1087751-29-8)
- 1-(Pyridin-2-yl)ethane-1,2-diamine (CAS 115464-35-2)
- (S)-1-(pyridin-3-yl)propan-2-ol (CAS 1432620-26-2)
- 2-(Pyridin-3-yl)propan-2-ol (CAS 15031-77-3)
- (S)-1-(pyridin-2-yl)propan-1-ol (CAS 18209-34-2)
Recommended Standards
- 2-(pyrimidin-5-yl)acetamide (CAS 5267-02-7)
- 2-(Ethylamino)oxazole-4-carbonitrile (CAS 2090158-47-5)
- 2,3-Dihydroimidazo[1,2-c]pyrimidin-5(1H)-one (CAS 63934-46-3)
- 2-(3-Cyanocyclobutylidene)acetic acid (CAS 2578392-38-6)
- (E)-Methoxy[1-(4-methoxyphenyl)-2-(4-methylbenzenesulfonyl)ethylidene]amine (CAS 338400-80-9)
- 1-(1,3-dioxolan-2-yl)propan-2-amine, oxalic acid (CAS 1803586-76-6)
- 2-Bromo-1-(1-(2-methylbenzoyl)-indolin-5-yl)propan-1-one (CAS 1628466-20-5)
- Methyl 5,6,7,8-tetrahydro-2,7-naphthyridine-3-carboxylate hydrochloride (CAS 2750527-68-3)
- (R)-4-(2-hydroxy-1-(methylamino)ethyl)phenol (CAS 1336236-46-4)
- 3,5-Dimethyl-1-(2-methyl-benzyl)-4-(4,4,5,5-tetramethyl-[1,3,2]dioxaborolan-2-yl)-1H-pyrazole (CAS 2246835-74-3)
- [1-(4-Methylbenzyl)-1H-imidazol-2-yl]methanol hydrochloride (CAS 1185295-37-7)
- 1-(4-Ethylcyclohexyl)-2,2,2-trifluoroethan-1-one (CAS 1343024-42-9)
- 1-(5-Bromo-2-chloropyrimidin-4-yl)piperidin-4-ol (CAS 477593-22-9)
- Insulin Degludec Impurity 16 (CAS CATO-C4X-215716)
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