3-chloro-2-nitrothiophene CAS 33786-78-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 33786-78-6 |
| Molecular Formula | C4H2ClNO2S |
| Molecular Weight | 163.58 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
High-purity 3-chloro-2-nitrothiophene (CAS 33786-78-6) pharmaceutical standards reference standard. Molecular formula: C4H2ClNO2S. Molecular weight: 163.58 g/mol. Produced by CATO, one of China's leading reference material manufacturers, with COA documentation and global shipping.
Physical & Chemical Properties
| Molecular Formula | C4H2ClNO2S |
| Molecular Weight | 163.58 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1966 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related chloro Standards
- 2-Chloro-5-nitrothiophene (CAS 13195-49-8)
- 4-Chloro-1-(2-fluoro-ethyl)-1h-pyrazol-3-ylamine (CAS 1427023-63-9)
- 2-Chloro-3-nitrothiophene (CAS 5330-98-3)
- 3-Chloro-4-isothiazolecarboxylic Acid (CAS 933690-30-3)
- 4-Chloro-1,3-thiazole-5-carboxylic acid (CAS 444909-59-5)
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- 4-Chloro-5-Isothiazolecarboxylic Acid (CAS 88982-87-0)
- 5-Chloro-1,2,3-thiadiazole-4-carboxamide (CAS 64837-51-0)
Recommended Standards
- 2-Chlorothiazole-4-carboxylic Acid (CAS 5198-87-8)
- 5-Chlorothiazole-4-carboxylic acid (CAS 1505987-37-0)
- 3-Chloroisothiazole-5-carboxylic acid (CAS 1368382-15-3)
- 1-Cyclohexyl-3-hydroxyprop-2-en-1-one (CAS 1344978-48-8)
- N-[1-(2-Amino-ethyl)-1H-pyrazol-4-yl]-methanesulfonamide dihydrochloride (CAS 1361116-54-2)
- 2-Fluoro-5-nitrobenzenesulfonyl chloride (CAS 713-21-3)
- 5-Chloro-3-(3,5-dimethylisoxazol-4-yl)benzo[c]isoxazole (CAS 60467-25-6)
- 1-(4-Aminothiazol-5-yl)ethanone (CAS 69316-07-0)
- Methyl (S)-(1-aminopropan-2-yl)carbamate (CAS 1229025-89-1)
- Semaglutide impurity 39 (CAS CATO-C4X-222639)
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