5-Nitrothiophene-2-Carbohydrazide CAS 39978-44-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 39978-44-4 |
| Molecular Formula | C5H5N3O3S |
| Molecular Weight | 187.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-Nitrothiophene-2-Carbohydrazide (CAS 39978-44-4) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C5H5N3O3S. Molecular weight: 187.18 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C5H5N3O3S |
| Molecular Weight | 187.18 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 |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 1968 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Nitrothiophene Standards
- 5-MEthyl-3-nitrothiophene-2-carboxylic acid (CAS 1881330-07-9)
- 2-Methyl-3-nitrothiophene-5-carboxylic Acid (CAS 36050-35-8)
- Methyl 3-Nitrothiophene-2-carboxylate (CAS 75735-44-3)
- methyl 4-nitrothiophene-2-carboxylate (CAS 24647-78-7)
- Methyl 5-nitrothiophene-3-carboxylate (CAS 88770-22-3)
- 5-methyl-4-nitrothiophene-2-carboxamide (CAS 36050-10-9)
- 5-Nitrothiophene-2-carbothioamide (CAS 30096-68-5)
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Recommended Standards
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- 4,6-Diamino-5-nitropyrimidine-2(1H)-thione (CAS 98019-84-2)
- 5-(Ethoxymethylene)-2,2-dimethyl-1,3-dioxane-4,6-dione (CAS 15568-86-2)
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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