4-Chloro-2-(4,5-dihydro-1,3-oxazol-2-yl)pyridine CAS 1423027-73-9
| CAS No. | 1423027-73-9 |
| Molecular Formula | C8H7ClN2O |
| Molecular Weight | 182.61 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Chloro-2-(4,5-dihydro-1,3-oxazol-2-yl)pyridine (CAS 1423027-73-9), molecular formula C8H7ClN2O and molecular weight 182.61 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H7ClN2O, 4-Chloro-2-(4,5-dihydro-1,3-oxazol-2-yl)pyridine contains a nitrogen-containing heterocyclic scaffold, 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 182.61 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.
As a certified reference material (CRM), 4-Chloro-2-(4,5-dihydro-1,3-oxazol-2-yl)pyridine 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 | C8H7ClN2O |
| Molecular Weight | 182.61 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
Related Chloro Standards
- 4-Chloro-7-methoxy-1H-indazole (CAS 1000341-90-1)
- 4-Chloro-1'-methyl-1h,1'h-3,4'-bipyrazole (CAS 1006476-14-7)
- 7-chloro-6-methoxy-1H-indazole (CAS 1019332-48-9)
- (8-Chloro-[1,2,4]triazolo[4,3-a]pyridin-3-yl)methanamine (CAS 1020035-28-2)
- (5-Chloro-1H-indazol-3-yl)methanol (CAS 102735-90-0)
- 6-chloro-1,3-dimethyl-1H-pyrazolo[3,4-d]pyrimidine (CAS 1030377-53-7)
- 3-Chloro-5,7-dimethyl-[1,2,4]triazolo[4,3-a]pyrimidine (CAS 1049138-84-2)
- 6-Chloro-1-methyl-1H-pyrazolo[3,4-b]pyridin-3-amine (CAS 1076197-93-7)
Recommended Standards
- (6-Chloroimidazo[1,2-a]pyridin-5-yl)methanol (CAS 1414864-05-3)
- Imidazo[1,2-a]pyridine, 6-chloro-7-methoxy- (CAS 1427368-12-4)
- 8-Chloro-3-ethyl-[1,2,4]triazolo[4,3-a]pyrazine (CAS 140910-77-6)
- 6-Chloro-7-methoxy-1H-indazole (CAS 1427369-59-2)
- 6-Bromo-1-((2-(trimethylsilyl)ethoxy)methyl)-1H-[1,2,3]triazolo[4,5-b]pyridine (CAS 1313712-18-3)
- 5-Chloro-6-nitro-1,3-benzoxazole-2-thiol (CAS 199293-10-2)
- TCS 2312 (CAS 838823-31-7)
- 8,8'-Disulfanediylbis(quinoline-3-carboxylic acid) dihydrochloride (CAS 2438559-02-3)
- Ethyl 2-((4-bromo-2-methylphenyl)amino)-2-oxoacetate (CAS 333441-79-5)
- 2-(tert-Butyl)-5-nitroindoline (CAS 312306-35-7)
- 4-(Difluoromethoxy)-3-Fluorobenzyl bromide (CAS 181806-49-5)
- [(3R)-piperidin-3-yl]methanol (CAS 37675-20-0)
- n,3-Diisopropylaniline (CAS 1042628-27-2)
- Liraglutide Impurity 26 (CAS CATO-C4X-199226)
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