4,8-Dibromobenzo[1,2-b:4,5-b']dithiophene CAS 1823430-81-4
| CAS No. | 1823430-81-4 |
| Molecular Formula | C10H4Br2S2 |
| Molecular Weight | 348.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 4,8-Dibromobenzo[1,2-b:4,5-b']dithiophene 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.
CATO supplies 4,8-Dibromobenzo[1,2-b:4,5-b']dithiophene (CAS 1823430-81-4), a certified reference material (molecular formula C10H4Br2S2, MW 348.08 g/mol) for analytical method development and quality control.
Structurally, 4,8-Dibromobenzo[1,2-b:4,5-b']dithiophene (C10H4Br2S2) contains sulfur-containing functionality, bromine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 8.0, corresponding to approximately 8 ring(s) or double-bond equivalent(s). With a molecular weight of 348.08 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C10H4Br2S2 |
| Molecular Weight | 348.08 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| 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.) | 1995 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 2 |
Related Dibromobenzo Standards
- 2,6-Dibromobenzo[1,2-b:5,4-b']dithiophene (CAS 1242077-24-2)
- 2,6-Dibromobenzo[1,2-b:4,5-b']dithiophene (CAS 909280-97-3)
- Methyl 2,4-dibromobenzo[d]thiazole-6-carboxylate (CAS 1383824-12-1)
- 6,7-Dibromobenzo[de]isochromene-1,3-dione (CAS 13577-26-9)
- 3,8-Dibromobenzo[c]cinnoline (CAS 79580-35-1)
- 4,8-Dibromobenzo[1,2-c:4,5-c’]bis([1,2,5]thiadiazole) (CAS 165617-59-4)
- 2-((5,7-Dibromobenzo[c][1,2,5]thiadiazol-4-yl)oxy)acetic acid (CAS 91982-81-9)
- 4,7-Dibromobenzo[c][1,2,5]thiadiazole-5,6-diamine (CAS 141215-32-9)
Recommended Standards
- [2,2'-Biselenophene]-5,5'-dicarboxylic acid (CAS 2501970-66-5)
- TBT-2Br (CAS 70218-26-7)
- 1-Bromo-4-(2-bromo-1-(cyclopentyloxy)ethyl)benzene (CAS 1251245-73-4)
- 5-[(5-iodofuran-2-yl)methylidene]-2,2-dimethyl-1,3-dioxane-4,6-dione (CAS 126965-20-6)
- (R,R)-Efinaconazole Epoxide (CAS 135270-13-2)
- 2-Amino-1-((S)-3-(dimethylamino)pyrrolidin-1-yl)-3-methylbutan-1-one (CAS 1344974-14-6)
- 1-Bromo-3-(methylsulfonyl)-5-nitrobenzene (CAS 62606-15-9)
- 3-Benzothiazol-2-yl-4-(4-methoxy-phenyl)-but-3-enoic acid (CAS 748786-57-4)
- Benzenesulfonic acid, 4-dodecyl-, ammonium salt (CAS 14356-33-3)
- Methyl (5-chlorofuran-2-carbonyl)glycinate (CAS 1154573-41-7)
- (S)-3-Isopropylmorpholine (CAS 77897-21-3)
- (R)-2-(4,5-dichloro-2-fluorophenyl)pyrrolidine (CAS 1381928-46-6)
- Fosfomycin Impurity 57 (CAS CATO-C4X-131657)
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