3-Bromothieno[3,2-b]thiophene CAS 25121-83-9
| CAS No. | 25121-83-9 |
| Molecular Formula | C6H3BrS2 |
| Molecular Weight | 219.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 3-Bromothieno[3,2-b]thiophene 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.
3-Bromothieno[3,2-b]thiophene (CAS 25121-83-9), molecular formula C6H3BrS2 and molecular weight 219.12 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-Bromothieno[3,2-b]thiophene (C6H3BrS2) contains sulfur-containing functionality, 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 219.12 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
Physical & Chemical Properties
| Molecular Formula | C6H3BrS2 |
| Molecular Weight | 219.12 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 2 |
Related Bromothieno Standards
- 2-Bromothieno[2,3-b]thiophene (CAS 25121-81-7)
- 5-bromothieno[3,2-b]thiophene (CAS 25121-82-8)
- 2-Bromothieno[2,3-c]furan-6(4H)-one (CAS 1374574-30-7)
- 2-BROMOTHIENO[2,3-D]THIAZOLE (CAS 203049-70-1)
- 7-bromothieno[3,2-c]pyridine (CAS 1535297-40-5)
- 2-bromothieno[3,2-b]pyridine (CAS 94191-15-8)
- 3-bromothieno[2,3-b]pyridine (CAS 28988-21-8)
- 3-bromothieno[2,3-c]pyridine (CAS 28783-17-7)
Recommended Standards
- 3-bromocinnoline (CAS 78593-33-6)
- 3-Nitro-5-(trifluoromethyl)benzaldehyde (CAS 284047-98-9)
- 3-bromo-7-methylimidazo[1,2-a]pyridine (CAS 56051-32-2)
- 4-(Bromomethyl)-1-methyl-2-oxabicyclo[2.2.2]octane (CAS 2137033-85-1)
- 2,2,2-Trifluoro-1-(pyrimidin-4-yl)ethan-1-one (CAS 2092784-96-6)
- N-(2-(cycloheptylamino)ethyl)furan-2-carboxamide (CAS 797031-41-5)
- 1-Chloro-4-ethoxybenzene (CAS 622-61-7)
- Trimethylsilyl 2,2,3,3,4,4,4-heptafluorobutanoate (CAS 24929-99-5)
- 4-amino-1-benzyl-5-methylpyrrolidin-2-one hydrochloride (CAS 1803567-17-0)
- 4-(Hydroxyamino)-2-nitrobenzoic acid (CAS 15253-04-0)
- 5-Amino-6-fluoroquinolin-2(1H)-one (CAS 950520-27-1)
- 2-(4-Hexylphenyl)-5-(4-(5-phenylthiophen-2-yl)phenyl)thiophene (CAS 1172135-81-7)
- 3-(2-Hydroxyethyl)-4-oxo-3,4-dihydrophthalazine-1-carboxylic acid (CAS 730951-11-8)
- Tau Peptide (277-291) trifluoroacetate salt (CAS 330456-40-1)
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