2-Phosphono-4-pentynoic Acid Triethyl Ester CAS 26199-74-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 26199-74-6 |
| Molecular Formula | C11H19O5P |
| Molecular Weight | 262.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
2-Phosphono-4-pentynoic Acid Triethyl Ester (CAS 26199-74-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C11H19O5P. Molecular weight: 262.24 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C11H19O5P |
| Molecular Weight | 262.24 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 2.5 |
| CAS Registry Year (est.) | 1964 |
Related Phosphono Standards
- 5-Phosphono-1,2,3,4-tetrahydroisoquinoline-3-carboxylic acid (CAS 140202-46-6)
- 2-Phosphono-2-(2-phosphonoethyl)succinic acid (CAS 65402-32-6)
- (R)-1-Phosphono-2-phenylethylamine (CAS 36992-14-0)
- (S)-1-Phosphono-2-phenylethylamine (CAS 66609-42-5)
- O-Phosphono-L-homoserine (CAS 4210-66-6)
- 287399-30-8 N-[Phosphono(~13~C)methyl]glycine DTXSID00711508 (CAS 287399-30-8)
- 3-Phosphono Pyruvic Acid (CAS 5824-58-8)
- (S)-1-phosphono-3-methyl-butylamine (CAS 88081-76-9)
Recommended Standards
- 2-{[(4-fluoro-3-nitrophenyl)amino]methyl}phenol (CAS 329779-30-8)
- 3-(3-(4-Fluorophenyl)-6-oxopyridazin-1(6H)-yl)propanoic acid (CAS 686272-49-1)
- 2-(4-Fluorophenoxy)-4-methoxypyridine-3-carboxamide (CAS 341966-56-1)
- 4-Chloro-2-ethoxy-1-nitrobenzene (CAS 29604-25-9)
- 2-Imino-N-isobutyl-2,3-dihydrobenzo[d]thiazole-6-sulfonamide (CAS 717896-45-2)
- 3-Morpholino-1-(piperazin-1-yl)propan-1-one dihydrochloride (CAS 1266690-50-9)
- 3-Azetidinecarbonitrile trifluoroacetate (CAS 1335049-33-6)
- n-(2-Aminophenyl)-1,2,3,4-tetrahydroquinoline-2-carboxamide (CAS 1214051-96-3)
- N-((1H-Imidazol-1-yl)methoxy)-2-amino-2-oxoacetimidoyl cyanide (CAS 89721-60-8)
- Tau Peptide (273-284) trifluoroacetate salt (CAS 1663490-91-2)
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