2-Bromo-5-nitrofuran CAS 823-73-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 823-73-4 |
| Molecular Formula | C4H2BrNO3 |
| Molecular Weight | 191.97 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 2-Bromo-5-nitrofuran (CAS 823-73-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C4H2BrNO3. Molecular weight: 191.97 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C4H2BrNO3 |
| Molecular Weight | 191.97 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor, faint amine-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 1 |
Related Bromo Standards
- 3-Bromo-5-nitropyrazole (CAS 1208314-00-4)
- 5-Bromo-1,3-oxazole-4-carboxylic acid (CAS 1240611-09-9)
- 2-Bromo-4-nitroimidazole (CAS 65902-59-2)
- 3-Bromo-4-nitropyrazole (CAS 784193-37-9)
- 4-bromo-1H-1,2,3-triazole-5-carboxylic acid (CAS 295345-31-2)
- 4-Bromo-3-isoxazolecarboxylic acid (CAS 893638-53-4)
- 4-Bromo-3-nitropyrazole (CAS 89717-64-6)
- 4-Bromo-5-isoxazolecarboxylic acid (CAS 893638-85-2)
Recommended Standards
- 5-Bromooxazole-2-carboxylic acid (CAS 1935087-98-1)
- 3-Bromoisoxazole-5-carboxylic Acid (CAS 6567-35-7)
- 2-Bromooxazole-5-carboxylic acid (CAS 1373253-25-8)
- 3,5-Dimethyl-N-(thiophen-3-ylmethyl)-1H-pyrazole-4-sulfonamide (CAS 1286695-57-5)
- 6-Iodochromane (CAS 67856-45-5)
- 2-(2-(4-(Furan-2-carbonyl)piperazin-1-yl)-2-oxoethoxy)benzonitrile (CAS 902938-97-0)
- Ethyl 1-Cyclopropylimidazole-4-carboxylate (CAS 1001354-64-8)
- 1-Cyclopropyl-3-nitrobenzene (CAS 22396-07-2)
- Ethyl 2-(5-oxopyrrolidin-2-yl)acetate (CAS 94157-93-4)
- Semaglutide Impurity 157 (x TFA Salt) (CAS CATO-C4X-2226157)
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