1-(2-Hydroxyphenyl)-2-(triphenylphosphoranylidene)ethanone CAS 81995-11-1
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 81995-11-1 |
| Molecular Formula | C26H21O2P |
| Molecular Weight | 396.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-(2-Hydroxyphenyl)-2-(triphenylphosphoranylidene)ethanone (CAS 81995-11-1) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C26H21O2P. Molecular weight: 396.42 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C26H21O2P |
| Molecular Weight | 396.42 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, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 16.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
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Recommended Standards
- (E)-4-(Furan-2-yl)-1-(triphenylphosphoranylidene)but-3-en-2-one (CAS 923025-63-2)
- 2-((5-((4-Cyanophenoxy)methyl)-1,3,4-oxadiazol-2-yl)thio)-N-(2-methoxyphenyl)acetamide (CAS 332127-29-4)
- (1,1-Dimethylethyl)[[(1S,3R)-1-[(1E)-2-iodoethenyl]-3-methylheptyl]oxy]dimethyl-silane (CAS 83009-49-8)
- 2-Methyl-4-nitrobenzoxazole (CAS 478553-83-2)
- 23719-80-4 Cyclopropylmagnesium bromide, 0.5M-0.7M in THF MFCD00672094 Bromocyclopropyl magnesium (CAS 23719-80-4)
- 2-(8-Methoxy-6-methyl-4-oxoquinolin-1(4H)-yl)acetohydrazide (CAS 1315343-42-0)
- [2-(Diphenylphosphino-κP)benzenethiolato-κS]hydrobis(trimethylphosphine)nickel (CAS 926319-61-1)
- 1,7-Dimethylnaphthalene (CAS 575-37-1)
- methyl 8-aminoimidazo[1,2-a]pyridine-6-carboxylate (CAS 1160994-94-4)
- FMRF Amide Related Peptide. (CAS 149471-12-5)
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