3,4,5-Trichloropyridin-2-ol CAS 89166-98-3
| CAS No. | 89166-98-3 |
| Molecular Formula | C5H2Cl3NO |
| Molecular Weight | 198.43 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C5H2Cl3NO, 3,4,5-Trichloropyridin-2-ol contains an amide group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 198.43 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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).
3,4,5-Trichloropyridin-2-ol (CAS 89166-98-3) is a high-purity analytical reference standard with the molecular formula C5H2Cl3NO and a molecular weight of 198.43 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), 3,4,5-Trichloropyridin-2-ol 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 | C5H2Cl3NO |
| Molecular Weight | 198.43 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor, low volatility) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1982 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
Related Trichloropyridin Standards
- 3,4,5-Trichloropyridin-2(3H)-one (CAS 1822711-95-4)
- 2,3,5-Trichloropyridin-4-ol (CAS 1970-40-7)
- 2,4,6-Trichloropyridin-3-ol (CAS 58498-59-2)
- 3,5,6-Trichloropyridin-2-ol (CAS 93111-34-3)
- 3,5,6-Trichloropyridin-2-amine (CAS 1378670-79-1)
- 2,4,5-Trichloropyridin-3-amine (CAS 173435-47-7)
- 2,3,6-Trichloropyridin-4-amine (CAS 874491-78-8)
- 2,4,6-Trichloropyridin-3-amine (CAS 91872-08-1)
Recommended Standards
- 3,5,6-Trichloro-2-Pyridinol (CAS 6515-38-4)
- 3,5,6-Trichloropyrazin-2-amine (CAS 13484-51-0)
- Carbamoyl-Asp-OH (CAS 13184-27-5)
- 3,5,6-Trichloropyridazin-4-amine (CAS 17285-34-6)
- 5-Phenylpyrazine-2,3-dicarboxylic acid (CAS 39784-64-0)
- 2-Iodo-1H-indole-5-carbaldehyde (CAS 2127096-30-2)
- 1-(propan-2-yl)piperidine-3-carbaldehyde (CAS 1248558-73-7)
- 3-(3-(4-Chlorobenzyl)ureido)propanoic acid (CAS 1018300-38-3)
- 4-Methyl-2-(piperidin-2-yl)heptan-1-amine (CAS 1306606-06-3)
- 4-(8-Methylimidazo[1,2-a]pyridin-2-yl)aniline (CAS 365565-88-4)
- 2-Chloro-5,6,7,8-tetrahydro-1,7-naphthyridine (CAS 1196145-69-3)
- 3-(2-Benzylpiperazin-1-yl)propanoic acid (CAS 1060814-18-7)
- 1-Methoxychrysene (CAS 63020-57-5)
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