6-Bromo-4H-thiochromen-4-one CAS 20076-75-9
| CAS No. | 20076-75-9 |
| Molecular Formula | C9H5BrOS |
| Molecular Weight | 241.10 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
6-Bromo-4H-thiochromen-4-one (CAS 20076-75-9) is a high-purity analytical reference standard with the molecular formula C9H5BrOS and a molecular weight of 241.10 g/mol.
Based on its molecular formula C9H5BrOS, 6-Bromo-4H-thiochromen-4-one contains sulfur-containing functionality, 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 241.10 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 6-Bromo-4H-thiochromen-4-one 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 | C9H5BrOS |
| Molecular Weight | 241.10 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| 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.) | 1962 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 5-Bromo-7-fluoro-1,1-dimethyl-1H-indene (CAS 1936249-90-9)
- 2-Bromo-3-formylbenzothiophene (CAS 39856-98-9)
- 3-Bromo-2H-thiochromen-2-one (CAS 35977-75-4)
- 3-Bromo-4H-thiochromen-4-one (CAS 68847-94-9)
- 3-Bromo-7-fluoro-2,4,5,6-tetrahydro-1H-cyclobuta[f]indene (CAS 2676867-20-0)
- 4-bromo-1',5'-dimethyl-1h,1'h-3,4'-bipyraZole (CAS 1006334-21-9)
- 4-(4-Bromo-1h-pyrazol-3-yl)-1,3-dimethyl-1h-pyrazole (CAS 1006464-43-2)
- 4-Bromo-1'-ethyl-1h,1'h-3,4'-bipyrazole (CAS 1006476-90-9)
Recommended Standards
- 5-Bromobenzo[b]thiophene-2-carbaldehyde (CAS 7312-18-7)
- N-(3,4-dichlorophenyl)sulfuric diamide (CAS 49690-01-9)
- 5-Amino-2,4-dichlorobenzene-1-sulfonamide (CAS 4818-77-3)
- 38EAO245ZX 852329-66-9 Dutogliptin Dutogliptin [USAN:INN] Boronic acid, ((2R)-1-(((3R)-3-pyrrolidinylamino)acetyl)-2-pyrrolidinyl)- ((2R)-1-(((3R)-Pyrrolidin-3-ylamino)acetyl)pyrrolidin-2-yl)boronic acid PHX1149 UNII-38EAO245ZX (CAS 852329-66-9)
- Toxipantrone (CAS 156090-18-5)
- Cyclohexanamine hemisulfate (CAS 17911-61-4)
- 3-(hydroxymethyl)-2,2,5,5-tetramethylpyrrolidin-1-ol (CAS 1020718-52-8)
- 5-Phenyl-1,3,4-oxadiazole-2-carboxamide (CAS 68496-74-2)
- Epicedrol (CAS 19903-73-2)
- 3,5-Dimethyl-1-pentyl-1h-pyrazol-4-amine (CAS 2587-08-8)
- 7-chloro-1,2,5-trimethyl-1H-1,3-benzodiazole (CAS 1785343-88-5)
- 2-Amino-1-(2-methoxy-4,5-dimethylphenyl)propan-1-one (CAS 1216236-00-8)
- Caffeic Acid 4-Sulfate (CAS 151481-51-5)
- Mitogenic Pentapeptide (CAS 87173-03-3)
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