2,5-Dibromo-3,4-dimethoxythiophene CAS 345666-04-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 345666-04-8 |
| Molecular Formula | C6H6Br2O2S |
| Molecular Weight | 301.98 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2,5-Dibromo-3,4-dimethoxythiophene (CAS 345666-04-8), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C6H6Br2O2S. Molecular weight: 301.98 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C6H6Br2O2S |
| Molecular Weight | 301.98 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Br-containing |
| Sulfur Atoms | 1 |
Related Dibromo Standards
- 3,4-Dibromo-2,5-dimethylthiophene 1,1-dioxide (CAS 70061-39-1)
- 3,5-Dibromo-2-(1H-pyrrol-1-yl)pyridine (CAS 1211834-37-5)
- 4,5-Dibromo-2-phenyl-1H-imidazole (CAS 56338-00-2)
- 6,7-Dibromo-1,4-dihydro-1,4-epoxynaphthalene (CAS 106750-88-3)
- 1,3-Dibromo-2-naphthalenol (CAS 30478-89-8)
- ethyl 4,5-dibromo-1H-imidazole-2-carboxylate (CAS 74840-99-6)
- 5,5-Dibromo-2,2-dimethyl-1,3-dioxane-4,6-dione (CAS 66131-14-4)
- 1,2-Dibromo-4-(difluoromethoxy)benzene (CAS 1000574-96-8)
Recommended Standards
- 1,4-Benzenediboronic Acid Bis(Neopentyl Glycol) Ester (CAS 562098-02-6)
- 2-bromo-1-(4-bromo-2-fluoro-phenyl)ethanone (CAS 869569-77-7)
- 1,4-Benzenediboronic acid bis(neopentyl glycol) ester (CAS 5565-36-6)
- 6-(Difluoromethyl)-5-fluoro-3-nitropyridin-2-amine (CAS 1804730-81-1)
- Lauroyl-L-carnitine HCl (CAS 6919-91-1)
- tert-Butyl N-methyl-N-[(3S,4S)-4-methylpiperidin-3-yl]carbamate (CAS 1419075-90-3)
- 2-(Chloromethyl)oxazole-5-carboxylic acid (CAS 481667-42-9)
- (E)-Ethyl 5-hydroxypent-2-enoate (CAS 13038-13-6)
- 4-Methoxy-1H-pyrrolo[3,2-c]pyridine-3-carboxylic acid (CAS 1000341-34-3)
- Semaglutide Main Chain P29 (CAS 1169630-82-3)
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 13829788188 / jacky.chen@cato-chem.com