3-Chloro-1-butyne CAS 21020-24-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21020-24-6 |
| Molecular Formula | C4H5Cl |
| Molecular Weight | 88.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-Chloro-1-butyne (CAS 21020-24-6) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C4H5Cl. Molecular weight: 88.54 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C4H5Cl |
| Molecular Weight | 88.54 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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.) | 1963 |
| Halogen Content | Cl-containing |
Related Chloro Standards
- 4-Chloro-1-butyne (CAS 51908-64-6)
- (Z)-2-Chloro-2-butene (CAS 2211-69-0)
- 2-Chloro-2-butene (CAS 2211-68-9)
- 2-Chloro-2-butene (CAS 4461-41-0)
- 3-Chloro-2-methyl-1-propene (CAS 563-47-3)
- 1-Chloro-2-methylpropene (CAS 513-37-1)
- 3-Chloro-2-propen-1-ol (E/Z Mixture) (CAS 29560-84-7)
- 2-chloro-1,1,2,2-tetradeuterio-ethanamine (CAS 753426-99-2)
Recommended Standards
- 75-76-3 41Y0RBG14Q Tetramethylsilane Silane, tetramethyl- EINECS 200-899-1 NSC 5210 Silicon, tetramethyl- Tetramethylsilicane HSDB 7759 UNII-41Y0RBG14Q EC 200-899-1 Tetramethyl silane Tetramethylsilane [UN2749] [Flammable liquid] UN2749 (CAS 75-76-3)
- 542-91-6 T6EA843E4K Diethylsilane Silane, diethyl- EINECS 208-834-9 UNII-T6EA843E4K (CAS 542-91-6)
- 9010-98-4 Neoprene Polychloroprene 1,3-Butadiene, 2-chloro-, homopolymer 1,3-Butadiene, 2-chloro-, polymers 2-Chloro-1,3-butadiene homopolymer (9CI) Bostik 1410 2-Chloro-1,3-butadiene homopolymer Chlorobutadiene polymer 2-Chloro-1,3-butadiene polymer Chloroprene polymer Denkalac M 30 Dispercoll C 84 Duprene EC 1368 FS 651 Gr-M Hibon 5300 HSDB 1091 Nairit Perbunan C Plastifix PC Politrans 1219 Poly(2-chlorobutadiene) Poly(2-chloro-1,3-butadiene) 1,4-cis-Poly(chloropene) trans-1,4-Polychloroprene Sovprene Svitpren Vulkolep RS 3 (CAS 9010-98-4)
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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