But-3-en-1-yltriphenylphosphonium bromide CAS 16958-42-2
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 16958-42-2 |
| Molecular Formula | C22H22P |
| Molecular Weight | 317.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies But-3-en-1-yltriphenylphosphonium bromide (CAS 16958-42-2), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C22H22P. Molecular weight: 317.38 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C22H22P |
| Molecular Weight | 317.38 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
Recommended Standards
- 164519-21-5 Benzyl 4-(2-oxotetrahydropyrimidin-1(2H)-yl)piperidine-1-carboxylate DTXSID20622763 (CAS 164519-21-5)
- 1-(Isopropoxy(naphthalen-1-yl)methyl)-1H-benzo[d][1,2,3]triazole (CAS 172611-16-4)
- Methyl 2-acetamido-3-(4-(4-methylpiperazin-1-yl)phenyl)acrylate (CAS 1622059-69-1)
- 261763-03-5 3-chloro-2-fluoro-5-(trifluoromethyl)benzoyl chloride 3-chloro-2-fluoro-5-trifluoromethyl benzoic acid chloride 3-chloro-2-fluoro-5-trifluoromethyl-benzoic acid chloride 3-chloro-2-fluoro-5-trifluoromethyl-benzoyl chloride 3-chloro-2-fluoro-5-trifluoromethylbenzoyl chloride (CAS 261763-03-5)
- tert-Butyl 3-((6-ethoxy-2-(methylthio)pyrimidin-4-yl)amino)piperidine-1-carboxylate (CAS 1353973-26-8)
- 1-(1-(Aminomethyl)cyclobutyl)-2-methylpropan-1-ol (CAS 1537565-82-4)
- 4-(1-(Phenylsulfonyl)-4-(pyridin-2-yl)-1H-pyrazol-3-yl)morpholine (CAS 303995-21-3)
- N-Methyl-2-oxo-1-(3-(trifluoromethyl)phenyl)pyrrolidine-3-carboxamide (CAS 685531-31-1)
- Tert-butyl (3-aminopropoxy)carbamate (CAS 228245-16-7)
- Semaglutide Impurity 137 (x TFA Salt) (CAS CATO-C4X-2226137)
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