1,4-Dibromobut-2-yne CAS 2219-66-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2219-66-1 |
| Molecular Formula | C4H4Br2 |
| Molecular Weight | 211.88 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1,4-Dibromobut-2-yne (CAS 2219-66-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C4H4Br2. Molecular weight: 211.88 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C4H4Br2 |
| Molecular Weight | 211.88 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 2.0 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Br-containing |
Related Dibromobut Standards
Recommended Standards
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- 1,3-Dibromobuta-1,2-Diene (CAS 138777-52-3)
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- 4-Bromo-2-(3-chlorophenoxy)-phenylamine (CAS 1485735-15-6)
- 2-((Tert-butoxycarbonyl)amino)-3-(2-nitrophenyl)propanoic acid (CAS 116366-31-5)
- (R)-2-(3,5-Difluorobenzyl)piperazine (CAS 1240589-41-6)
- (R)-1-(3-Phenoxyphenyl)ethan-1-ol (CAS 72902-77-3)
- (3R,6S)-3-(Hydroxymethyl)-6-methylpiperazine-2,5-dione (CAS 2407907-31-5)
- 5-Ethylsulfonyl-2-methoxy-benzoic acid (CAS 4840-63-5)
- Semaglutide Impurity 11 (CAS CATO-C4X-222611)
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