2,6-Dibromo-4H-cyclopenta[1,2-b:5,4-b’]dithiophen-4-one CAS 636588-79-9
| CAS No. | 636588-79-9 |
| Molecular Formula | C9H2Br2OS2 |
| Molecular Weight | 350.05 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,6-Dibromo-4H-cyclopenta[1,2-b:5,4-b’]dithiophen-4-one (CAS 636588-79-9) is a high-purity analytical reference standard with the molecular formula C9H2Br2OS2 and a molecular weight of 350.05 g/mol.
2,6-Dibromo-4H-cyclopenta[1,2-b:5,4-b’]dithiophen-4-one (C9H2Br2OS2) contains sulfur-containing functionality, a hydroxyl group, an ether linkage, bromine substitution, an aromatic ring system. Halogen substitution raises its density and boiling point; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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), 2,6-Dibromo-4H-cyclopenta[1,2-b:5,4-b’]dithiophen-4-one 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 | C9H2Br2OS2 |
| Molecular Weight | 350.05 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 2 |
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Recommended Standards
- 4-(4,5-dichloro-1H-imidazol-1-yl)-2,6-bis(trifluoromethyl)pyridine (CAS 650592-45-3)
- Perfluoroheptene-2 (CAS 1582-32-7)
- 5,5-Bis(bromomethyl)-2-phenyl-1,3-dioxane (CAS 3733-29-7)
- 3-(2-Bromo-1-(2-bromophenyl)ethoxy)tetrahydrofuran (CAS 1341462-13-2)
- 4-{[3-(4-Methoxyphenyl)-1,2,4-oxadiazol-5-yl]methyl}piperidine hydrochloride (CAS 1622069-60-6)
- tert-butyl (2R,3S)-3-amino-2-methylazetidine-1-carboxylate (CAS 1932238-83-9)
- Sodium thiosulfate pentahydrate (CAS 10102-17-7)
- 5-(2-amino-4-methyl-1,3-thiazol-5-yl)-N-methyl-1,3,4-thiadiazol-2-amine (CAS 637326-90-0)
- 5-Amino-1-(3,5-dimethylphenyl)-1H-pyrazole-4-carboxamide (CAS 1006597-08-5)
- Milrinone Impurity 14 (CAS CATO-C4X-109114)
- 2-(Isopropylsulfonyl)isonicotinic acid (CAS 1710194-81-2)
- Sarpogrelate Impurity 9 (CAS CATO-C4X-29139)
- {2-[(dimethylamino)methyl]phenyl}methanol (CAS 63321-79-9)
- Semaglutide impurity 266 (CAS CATO-C4X-2226266)
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