4-Bromo-3-(difluoromethyl)-5-nitropyridine-2-sulfonamide CAS 1805252-28-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1805252-28-1 |
| Molecular Formula | C6H4BrF2N3O4S |
| Molecular Weight | 332.08 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Bromo-3-(difluoromethyl)-5-nitropyridine-2-sulfonamide (CAS 1805252-28-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C6H4BrF2N3O4S. Molecular weight: 332.08 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C6H4BrF2N3O4S |
| Molecular Weight | 332.08 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Halogen Content | F/Br-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Bromo Standards
- 2-Bromo-6-(difluoromethyl)-4-nitropyridine-3-sulfonamide (CAS 1804433-57-5)
- 4-Bromo-6-(difluoromethyl)-5-nitropyridine-2-sulfonamide (CAS 1805448-36-5)
- 6-Bromo-5-(difluoromethyl)-4-nitropyridine-3-sulfonamide (CAS 1806865-93-9)
- 6-Bromo-4-(difluoromethyl)-5-nitropyridine-3-sulfonamide (CAS 1806998-69-5)
- 2-Bromo-6-(pentafluoroethylthio)benzonitrile (CAS 1159512-55-6)
- Methyl 5-bromo-3-(2,2,2-trifluoroacetamido)thiophene-2-carboxylate (CAS 852330-31-5)
- 3-Bromo-2-(4-(bromomethyl)phenyl)thiophene (CAS 941716-98-9)
- 2-(2-Bromo-4,6-bis(trifluoromethyl)phenyl)acetonitrile (CAS 1805277-63-7)
Recommended Standards
- 1,3-Difluoro-2-(4-iodophenoxy)benzene (CAS 1414356-26-5)
- 2-Fluoro-1-(2-fluorophenoxy)-4-iodobenzene (CAS 1363405-01-9)
- 1-Nitro-2-dichloromethyl-4-(pentafluorosulfanyl)benzene (CAS 1309569-30-9)
- 1,7,7-Trimethyl-2-oxo-1,2,5,6,7,8-hexahydroquinoline-3-carboxylic acid (CAS 1420791-44-1)
- ((5-Methylthiophen-2-yl)methyl)hydrazine (CAS 887592-30-5)
- Methyl 3-Chloro-4-methyl-5-nitrobenzoate (CAS 1057652-84-2)
- tert-Butyl (6-(aminomethyl)thieno[2,3-d]pyrimidin-4-yl)carbamate (CAS 885269-06-7)
- 2,2'-(5-Bromo-2-fluoro-1,3-phenylene)bis(4,4,5,5-tetramethyl-1,3,2-dioxaborolane) (CAS 942069-49-0)
- 3-Chlorothiophene-2-sulfonyl chloride (CAS 633305-21-2)
- Semaglutide impurity 198 (CAS CATO-C4X-2226198)
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