7-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde CAS 852054-42-3
| CAS No. | 852054-42-3 |
| Molecular Formula | C7H5BrO3S |
| Molecular Weight | 249.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
7-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde (CAS 852054-42-3) is a high-purity analytical reference standard with the molecular formula C7H5BrO3S and a molecular weight of 249.08 g/mol.
Structurally, 7-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde (C7H5BrO3S) contains a sulfone group, a carboxylic acid group, 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 249.08 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).
CATO manufactures 7-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbaldehyde 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 | C7H5BrO3S |
| Molecular Weight | 249.08 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| 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.) | 1987 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 2-Bromo-4-fluoro-1-(2-methoxyethoxy)benzene (CAS 1016783-82-6)
- 3-Bromo-5-fluoro-2-isopropoxyphenol (CAS 1026796-58-6)
- 1-Bromo-4-ethoxy-2-fluoro-5-methoxybenzene (CAS 1095544-33-4)
- 4-Bromo-1-fluoro-2-(2-methoxyethoxy)-benzene (CAS 1105665-14-2)
- (S)-2-Bromo-1-(5-fluoro-2-methoxyphenyl)ethan-1-ol (CAS 1175687-55-4)
- 2-Bromo-1-fluoro-4-(2-methoxyethoxy)benzene (CAS 1364440-89-0)
- 1-Bromo-2-(dimethoxymethyl)-3-fluorobenzene (CAS 1393442-56-2)
- 1-Bromo-3-(dimethoxymethyl)-5-fluorobenzene (CAS 1585174-21-5)
Recommended Standards
- 6-Bromo-2-fluoro-3-isopropoxyphenol (CAS 2413441-32-2)
- Methyl 4-bromo-5-formylthiophene-2-carboxylate (CAS 648412-59-3)
- 5-Bromo-3-fluoro-4-isopropoxypyridin-2-amine (CAS 2452344-51-1)
- Arotinolol impurity 25 (CAS 96991-65-0)
- Pyridin-2-yl(tetrahydrofuran-2-yl)methanone (CAS 959239-35-1)
- 2,3-Diamino-5-(difluoromethyl)pyridine-4-carboxylic acid (CAS 1805236-48-9)
- 6,7-Dimethoxy-2,3-dihydrobenzofuran-2-carboxylic acid (CAS 1706443-41-5)
- 2-(3-Aminopyrrolidin-1-yl)-6,7-dihydro-3H-cyclopenta[d]pyrimidin-4(5H)-one (CAS 1240674-03-6)
- 2-(oxolan-2-yl)ethanethioamide (CAS 1016745-17-7)
- 5-chloro-6-ethyl-3-((3-methoxy-4-(4-(4-methylpiperazin-1-yl)piperidin-1-yl)phenyl)amino)pyrazine-2-carboxamide (CAS 1254058-47-3)
- (R)-1-(2-Aminopropyl)cyclohexan-1-ol (CAS 2765213-28-1)
- (S)-3-Boc-5-methyl-1,2,3-oxathiazolidine 2,2-Dioxide (CAS 396074-50-3)
- N-((5-methylthiazol-2-yl)methyl)cyclopropanamine (CAS 920460-40-8)
- Semaglutide impurity 29 (CAS CATO-C4X-222629)
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