2-[4-(2H-Tetrazol-5-yl)phenoxy]-5-chloro-3-fluoropyridine CAS 1799681-96-1
| CAS No. | 1799681-96-1 |
| Molecular Formula | C12H7ClFN5O |
| Molecular Weight | 291.67 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-[4-(2H-Tetrazol-5-yl)phenoxy]-5-chloro-3-fluoropyridine 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.
2-[4-(2H-Tetrazol-5-yl)phenoxy]-5-chloro-3-fluoropyridine (CAS 1799681-96-1), molecular formula C12H7ClFN5O and molecular weight 291.67 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C12H7ClFN5O, 2-[4-(2H-Tetrazol-5-yl)phenoxy]-5-chloro-3-fluoropyridine contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 291.67 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 | C12H7ClFN5O |
| Molecular Weight | 291.67 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-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 DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 5 |
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Recommended Standards
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- Benzyl 2-methyl-3-oxo-1-phenyl-2,5,6,8-tetrahydroimidazo[1,5-a]pyrazine-7(3H)-carboxylate (CAS 1353500-80-7)
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- 3-bromo-5-chloro-2-ethoxyaniline (CAS 929974-59-4)
- 1-(1H-Benzimidazol-2-yl)propan-1-ol (CAS 4857-00-5)
- Neuropeptide Y (2-36), amide, porcine (CAS 102961-52-4)
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