1-Bromo-5-methoxynaphthalene CAS 74924-95-1
| CAS No. | 74924-95-1 |
| Molecular Formula | C11H9BrO |
| Molecular Weight | 237.09 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1-Bromo-5-methoxynaphthalene.
CATO supplies 1-Bromo-5-methoxynaphthalene (CAS 74924-95-1), a certified reference material (molecular formula C11H9BrO, MW 237.09 g/mol) for analytical method development and quality control.
Based on its molecular formula C11H9BrO, 1-Bromo-5-methoxynaphthalene contains a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 237.09 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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), 1-Bromo-5-methoxynaphthalene 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 | C11H9BrO |
| Molecular Weight | 237.09 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Halogen Content | Br-containing |
Related Bromo Standards
- 2-bromo-N-methyl-6-nitro-aniline (CAS 1004618-77-2)
- Ethyl 4-bromo-3-ethoxybut-2-enoate (CAS 1116-50-3)
- methyl 4-bromo-2,2-dimethyl-3-oxopentanoate (CAS 1392512-58-1)
- 6-Bromo-2,3-dihydro-1,3-methanonaphthalen-4(1H)-one (CAS 1451085-10-1)
- methyl 4-bromo-2,5-dimethyl-furan-3-carboxylate (CAS 1493347-28-6)
- Methyl 2-bromo-2-(1-methoxycyclobutyl)acetate (CAS 1803597-04-7)
- 2-Bromo-6-fluoro-3-(methylthio)phenol (CAS 1805936-70-2)
- (5-Bromo-1-naphthyl)methanol (CAS 20366-57-8)
Recommended Standards
- 1-Bromo-4-methoxynaphthalene (CAS 5467-58-3)
- 1-Bromo-7-methoxynaphthalene (CAS 83710-61-6)
- 1-Bromo-4-hydroxymethylnaphthalene (CAS 56052-26-7)
- 1-Bromonaphthalene-2-methanol (CAS 76635-70-6)
- 4-Hydroxy-6-(methylthio)quinoline-3-carboxylic acid (CAS 26893-18-5)
- 8-Iodopyrazolo[1,5-a][1,3,5]triazine-2,4(1H,3H)-dione (CAS 1309789-60-3)
- 7-(2-Iodophenyl)-7-oxoheptanoic acid (CAS 898790-74-4)
- 1-(((Benzyloxy)carbonyl)amino)-3-oxocyclobutane-1-carboxylic acid (CAS 2490374-67-7)
- 6-Chloro-2,4-diisopropylpyridin-3-amine (CAS 133980-65-1)
- Ethyl 2-(phenylamino)pyrimidine-5-carboxylate (CAS 864172-93-0)
- Icotinib Impurity 5 (CAS 1204313-58-5)
- (1-Methyl-5-((5-(4-methylpiperazin-1-yl)pyridin-2-yl)amino)-6-oxo-1,6-dihydropyridin-3-yl)boronic acid pinacol ester, 97% (CAS 1242156-62-2)
- 2-(2-(Cyclohexylamino)pyridin-3-yl)pyrrolidine-1-carbaldehyde (CAS 1352512-22-1)
- Heptapeptide-6 (CAS CATO-CPTD788823)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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