886851-53-2 7-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbonyl chloride DTXSID10594642 CAS 886851-53-2
| CAS No. | 886851-53-2 |
| Molecular Formula | C7H4BrClO3S |
| Molecular Weight | 283.53 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 886851-53-2 7-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbonyl chloride DTXSID10594642.
886851-53-2 7-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbonyl chloride DTXSID10594642 (CAS 886851-53-2), molecular formula C7H4BrClO3S and molecular weight 283.53 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 886851-53-2 7-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbonyl chloride DTXSID10594642 (C7H4BrClO3S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine/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 283.53 g/mol, it falls into the medium-molecular-weight range. 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 886851-53-2 7-Bromo-2,3-dihydrothieno[3,4-b][1,4]dioxine-5-carbonyl chloride DTXSID10594642 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 | C7H4BrClO3S |
| Molecular Weight | 283.53 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 | Cl/Br-containing |
| Sulfur Atoms | 1 |
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Recommended Standards
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- 3-(3,4,5-Trimethoxyphenyl)-1,2-oxazol-5-ol (CAS 1188090-12-1)
- N-Acetylsulfathiazole (CAS 127-76-4)
- 5-(3,4-Dimethylpiperazin-1-yl)furan-2-carbaldehyde (CAS 1339844-59-5)
- 1,2-Dichloro-4-difluoromethoxy-5-(trifluoromethoxy)benzene (CAS 1807052-54-5)
- (S)-2-Benzylpyrrolidine (CAS 97522-31-1)
- Tacrolimus Impurity 47 (CAS CATO-C4X-130047)
- Neuropeptide Y (3-36) (porcine) trifluoroacetate salt (CAS 143863-88-1)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
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