2,5-Diethynylthiophene CAS 79109-72-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 79109-72-1 |
| Molecular Formula | C8H4S |
| Molecular Weight | 132.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2,5-Diethynylthiophene (CAS 79109-72-1) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C8H4S. Molecular weight: 132.18 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C8H4S |
| Molecular Weight | 132.18 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Sulfur Atoms | 1 |
Recommended Standards
- 2-(Prop-2-en-1-ylsulfanyl)acetic acid (CAS 20600-63-9)
- 2-Amino-N-ethyl-2-thioxoacetamide (CAS 54699-19-3)
- 2-(Fluoromethyl)-1-methylpiperazine (CAS 751450-71-2)
- (3R,4R,5S)-3-amino-4,5-dimethylpyrrolidin-2-one hydrochloride (CAS 2417777-79-6)
- Enalaprilat tert-Butyl Ester (CAS 674796-29-3)
- Ethyl 4-amino-3,5-dichlorobenzoate (CAS 74878-31-2)
- 3-Bromo-4-ethoxybenzonitrile (CAS 136366-42-2)
- (5-Bromo-2-(methoxymethyl)phenyl)boronic acid (CAS 2225181-60-0)
- Cysteamine (CAS 60-23-1)
- Insulin Degludec Impurity 15 (CAS CATO-C4X-215715)
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