81-86-7 6-Bromo-1H,3H-naphtho(1,8-cd)pyran-1,3-dione 1H,3H-Naphtho(1,8-cd)pyran-1,3-dione, 6-bromo- EINECS 201-382-3 CAS 81-86-7
| CAS No. | 81-86-7 |
| Molecular Formula | C12H15BrO3 |
| Molecular Weight | 287.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 81-86-7 6-Bromo-1H,3H-naphtho(1,8-cd)pyran-1,3-dione 1H,3H-Naphtho(1,8-cd)pyran-1,3-dione, 6-bromo- EINECS 201-382-3 is closely related to a carboxylic acid group, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
81-86-7 6-Bromo-1H,3H-naphtho(1,8-cd)pyran-1,3-dione 1H,3H-Naphtho(1,8-cd)pyran-1,3-dione, 6-bromo- EINECS 201-382-3 (CAS 81-86-7), molecular formula C12H15BrO3 and molecular weight 287.15 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C12H15BrO3, 81-86-7 6-Bromo-1H,3H-naphtho(1,8-cd)pyran-1,3-dione 1H,3H-Naphtho(1,8-cd)pyran-1,3-dione, 6-bromo- EINECS 201-382-3 contains a carboxylic acid group, 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 287.15 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
CATO manufactures 81-86-7 6-Bromo-1H,3H-naphtho(1,8-cd)pyran-1,3-dione 1H,3H-Naphtho(1,8-cd)pyran-1,3-dione, 6-bromo- EINECS 201-382-3 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.
Physical & Chemical Properties
| Molecular Formula | C12H15BrO3 |
| Molecular Weight | 287.15 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Br-containing |
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Recommended Standards
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- 3-(Bromomethyl)-2-methylnonane (CAS 1490957-15-7)
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- 2-(Cyclopropylmethyl)-5-ethylphenol (CAS 1243365-61-8)
- N-(4-Chloro-2-methoxy-5-methylphenyl)-2,3-dihydrobenzo[b][1,4]dioxine-2-carboxamide (CAS 449170-44-9)
- 2,4-Dichloro-6-methyl-5-nitronicotinonitrile (CAS 847145-54-4)
- 5-(tert-Butoxy)-2-hydroxybenzenesulfonamide (CAS 1243391-00-5)
- 1-(3-Cyclopentyl-1,2,4-oxadiazol-5-yl)-N-methylmethanamine (CAS 1178283-34-5)
- Peptide 439 (CAS CATO-CPTD788439)
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