(2R,4R)-4-Bromo-2-phenyltetrahydro-2H-pyran CAS 1799434-63-1
| CAS No. | 1799434-63-1 |
| Molecular Formula | C11H13BrO |
| Molecular Weight | 241.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures (2R,4R)-4-Bromo-2-phenyltetrahydro-2H-pyran under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
(2R,4R)-4-Bromo-2-phenyltetrahydro-2H-pyran (CAS 1799434-63-1), molecular formula C11H13BrO and molecular weight 241.12 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, (2R,4R)-4-Bromo-2-phenyltetrahydro-2H-pyran (C11H13BrO) contains a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 241.12 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
Physical & Chemical Properties
| Molecular Formula | C11H13BrO |
| Molecular Weight | 241.12 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1994 |
| Halogen Content | Br-containing |
Recommended Standards
- 1-(7-Bromo-2,3-dihydro-1H-inden-5-yl)ethan-1-ol (CAS 1784314-05-1)
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- 1-(3-Bromo-5-isopropylphenyl)ethan-1-one (CAS 1782470-88-5)
- 3-(2-Bromo-4-methylbenzyl)oxetane (CAS 1823328-46-6)
- 3-Amino-1-(4-methylthiophen-3-yl)propan-1-ol (CAS 1532919-84-8)
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- O-Desmethyl Mebeverine Acid D5 (CAS 1329488-46-1)
- Methyl 3-nitro-4-(4-(4-nitrophenyl)piperazin-1-yl)benzoate (CAS 478246-31-0)
- 6-Chloro-N-(2-methoxyethyl)-N-methylpyrimidin-4-amine (CAS 881402-18-2)
- 5-Amino-1-(3,4-dimethylphenyl)-1H-pyrazole-4-carboxamide (CAS 1416347-84-6)
- (S)-1-amino-3-(3,4-dihydroisoquinolin-2(1H)-yl)propan-2-ol dihydrochloride (CAS 2387569-03-9)
- Crizotinib Impurity 8 (CAS 1233484-06-4)
- 2-(2,3-dichlorophenoxymethyl)benzoic acid (CAS 938124-26-6)
- Semaglutide impurity 59 (CAS CATO-C4X-222659)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com