2-((4-Chlorobut-2-yn-1-yl)oxy)tetrahydro-2H-pyran CAS 67727-01-9
| CAS No. | 67727-01-9 |
| Molecular Formula | C9H13ClO2 |
| Molecular Weight | 188.65 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 188.65 g/mol gives 2-((4-Chlorobut-2-yn-1-yl)oxy)tetrahydro-2H-pyran distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
2-((4-Chlorobut-2-yn-1-yl)oxy)tetrahydro-2H-pyran (CAS 67727-01-9), molecular formula C9H13ClO2 and molecular weight 188.65 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-((4-Chlorobut-2-yn-1-yl)oxy)tetrahydro-2H-pyran (C9H13ClO2) contains a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 3.0, corresponding to approximately 3 ring(s) or double-bond equivalent(s). With a molecular weight of 188.65 g/mol, it falls into the medium-molecular-weight range. 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).
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), 2-((4-Chlorobut-2-yn-1-yl)oxy)tetrahydro-2H-pyran 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 | C9H13ClO2 |
| Molecular Weight | 188.65 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1976 |
| Halogen Content | Cl-containing |
Related Chlorobut Standards
- 3-(3-Chlorobut-3-en-1-yl)benzonitrile (CAS 731772-70-6)
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Recommended Standards
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- 3-(Trifluoromethyl)pyridazine-4-carboxylic acid (CAS 1792235-57-4)
- tert-Butyl 7-(hydroxymethyl)indoline-1-carboxylate (CAS 1030846-88-8)
- 2-Chloro-1-(5-nitropyridin-2-yl)-1H-benzo[d]imidazole (CAS 1146080-31-0)
- Carfilzomib Impurity 41 (CAS CATO-C4X-102241)
- 2,6-Difluoro-4-(4-(4-(4-methylpiperazin-1-yl)phenyl)pyridin-3-yl)phenol (CAS 1627710-50-2)
- 1,2,3,4-Tetrahydroisoquinoline-6,7-diol hydrochloride (CAS 42887-47-8)
- (3R,5S,6E)-rel-7-[4-(4-Fluorophenyl)-5-(hydroxymethyl)-2,6-bis(1-methylethyl)-3-pyridinyl]-3,5-dihydroxy-6-heptenoic Acid Methyl Ester 124863-87-2 Methyl rel-(E)-7-[2,6-Diisopropyl-4-(4-fluorophenyl)-5-hydroxymethylpyridinyl]-3,5-dihydroxy-6-heptenoate (CAS 124863-87-2)
- 4-(piperidin-1-yl)-1,2,5-thiadiazol-3-ol (CAS 891028-86-7)
- 3-[(4-ethylphenyl)sulfamoyl]-4-methoxybenzoic acid (CAS 750610-58-3)
- Semaglutide impurity 84 (CAS CATO-C4X-222684)
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