2-Methyl-3,5-dinitrothiophene CAS 78771-28-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 78771-28-5 |
| Molecular Formula | C5H4N2O4S |
| Molecular Weight | 188.16 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Order 2-Methyl-3,5-dinitrothiophene (CAS 78771-28-5) pharmaceutical standards reference standard from CATO: ISO 17034 accredited producer, 130,000+ catalog items in stock. Molecular formula: C5H4N2O4S. Molecular weight: 188.16 g/mol. COA included with every batch.
Physical & Chemical Properties
| Molecular Formula | C5H4N2O4S |
| Molecular Weight | 188.16 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.) | 1979 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methyl Standards
Recommended Standards
- 2-(4-Fluorobenzoyl)-propanedinitrile (CAS 956025-35-7)
- 3-(1-fluoro-2-methylpropan-2-yl)-1,2,4-oxadiazole-5-carboxylic acid (CAS 2925379-34-4)
- 2-((5-Amino-1,3,4-thiadiazol-2-yl)amino)-2-oxoacetic acid (CAS 79071-53-7)
- 5,6-Difluoro-2,2-dihydroxy-1H-indene-1,3(2H)-dione (CAS 387878-37-7)
- 2-Bromo-5-fluoro-3-nitropyridine (CAS 652160-72-0)
- Cefamandole Impurity 23 (CAS CATO-C4X-122123)
- Efinaconazole Impurity 35 (CAS 127001-03-0)
- (3R,4S)-4-Methoxy-1-(3-methylbutyl)pyrrolidine-3-carboxylic acid (CAS 1186648-06-5)
- (S)-3-(methoxycarbonyl)-5-methylhexanoic acid (CAS 213270-36-1)
- Semaglutide impurity 67 (CAS CATO-C4X-222667)
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