1-Bromo-1,2,3,4-tetrahydronaphthalene CAS 75238-77-6
| CAS No. | 75238-77-6 |
| Molecular Formula | C10H11Br |
| Molecular Weight | 211.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 211.10 g/mol gives 1-Bromo-1,2,3,4-tetrahydronaphthalene distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
1-Bromo-1,2,3,4-tetrahydronaphthalene (CAS 75238-77-6), molecular formula C10H11Br and molecular weight 211.10 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to bromine substitution, an aromatic ring system, 1-Bromo-1,2,3,4-tetrahydronaphthalene is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 211.10 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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.
As a certified reference material (CRM), 1-Bromo-1,2,3,4-tetrahydronaphthalene 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 | C10H11Br |
| Molecular Weight | 211.10 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| 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.) | 1978 |
| Halogen Content | Br-containing |
Related Bromo Standards
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Recommended Standards
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- 1-Bromo-2-(2-methyl-propenyl)-benzene (CAS 91388-25-9)
- 3-((4-Fluorobenzyl)thio)-4H-benzo[b][1,4]thiazine 1,1-dioxide (CAS 477868-98-7)
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- 4-Methyl-2H-chromen-2-one (CAS 607-71-6)
- (1-(4-Ethylcyclohexyl)-1h-1,2,3-triazol-4-yl)methanamine (CAS 1343120-72-8)
- 6-Chlorobenzo[d]isothiazol-3-amine (CAS 31857-81-5)
- 3-Benzylimidazolidin-4-one hydrochloride (CAS 114981-13-4)
- 4-Hydroxy-1-methyl-1h-pyrazolo[3,4-b]pyridine-5-carboxylic acid (CAS 37800-04-7)
- 7-Bromo-4-chloro-2-methyl-5H-pyrrolo[3,2-d]pyrimidine (CAS 1055057-39-0)
- 2-(Bromomethyl)-4-(difluoromethyl)-3-(trifluoromethoxy)pyridine-5-carboxaldehyde (CAS 1805280-99-2)
- Tau Peptide (337-368) (Repeat 4 Domain) trifluoroacetate salt (CAS 330456-27-4)
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