1-(3-Nitrophenyl)-2-(triphenylphosphoranylidene)ethanone CAS 61748-04-7
| CAS No. | 61748-04-7 |
| Molecular Formula | C26H20NO3P |
| Molecular Weight | 425.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a steroid core, an amide group, a phosphonate group, a hydroxyl group, an ether linkage, 1-(3-Nitrophenyl)-2-(triphenylphosphoranylidene)ethanone is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 425.42 g/mol — guide the selection of appropriate sample preparation and analytical techniques. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
1-(3-Nitrophenyl)-2-(triphenylphosphoranylidene)ethanone (CAS 61748-04-7), molecular formula C26H20NO3P and molecular weight 425.42 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1-(3-Nitrophenyl)-2-(triphenylphosphoranylidene)ethanone meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C26H20NO3P |
| Molecular Weight | 425.42 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| 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) | 17.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Nitrogen Atoms | 1 |
Related Nitrophenyl Standards
- 1-(4-Nitrophenyl)-2-(triphenylphosphoranylidene)ethanone (CAS 1439-43-6)
- 5-(3-Nitrophenyl)furan-2-carboxylicacid(2-phenyl-2H-benzotriazol-5-yl)amide (CAS 309292-42-0)
- 2-((4,6-Bis((2-nitrophenyl)amino)-1,3,5-triazin-2-yl)amino)acetic acid (CAS 65052-16-6)
- 2-((4,6-Bis((4-nitrophenyl)amino)-1,3,5-triazin-2-yl)amino)acetic acid (CAS 62751-93-3)
- 2-((4-Nitrophenyl)carbamoyl)benzoic acid (CAS 6307-10-4)
- 4-(2-((2-(4-Nitrophenyl)benzo[d]imidazo[2,1-b]thiazol-7-yl)oxy)ethyl)morpholine (CAS 950769-60-5)
- 4-Nitrophenyl 2-acetamido-3-6-di-O-acetyl-2-deoxy-β-D-glucopyranoside (CAS 61891-87-0)
- 3-(4-Nitrophenyl)-6,7-diphenyl-2H-oxazolo[3,2-a][1,3,5]triazine-2,4(3H)-dione (CAS 35629-69-7)
Recommended Standards
- 2-Amino-6-mercaptopurine-9-(2,3,5-tri-O-acetyl-β-ribofuranosyl)purine (CAS 2946-36-3)
- Skepinone-L (CAS 1221485-83-1)
- Fmoc-Met(CF3)-OH (CAS 928654-78-8)
- (S)-5-Fluoro-N-(1-(4-methoxyphenyl)ethyl)-2-(5,5,5-trifluoro-2-methyl-4-oxopentan-2-yl)benzamide (CAS 1198785-54-4)
- (R)-1-(3-(4-chlorophenyl)isoxazol-5-yl)ethan-1-ol (CAS 1565845-64-8)
- (2-methyl-1H-imidazol-5-yl)methanol (CAS 45533-87-7)
- 2-Bromo-1,1,1-trifluoro-butane (CAS 31333-11-6)
- 6-((4-Bromophenyl)sulfonyl)pyridin-3-amine (CAS 1221791-76-9)
- 2-Methyl-1-(pyrimidin-2-yl)propan-1-amine (CAS 1183933-37-0)
- N-(2-bromo-4-fluorophenyl)acrylamide (CAS 1094231-21-6)
- 4-Isothiocyanato-1,5-dimethyl-2-phenyl-1,2-dihydro-pyrazol-3-one (CAS 91397-03-4)
- UWC1LS4V3I 64436-13-1 Arsenobetaine Arsonium, (carboxymethyl)trimethyl-, hydroxide, inner salt Arsenobetaine monohydrate BRN 3933180 (Carboxymethyl)trimethylarsonium hydroxide inner salt CCRIS 5277 UNII-UWC1LS4V3I (CAS 64436-13-1)
- 5-Bromo-4,6-dimethoxypyrimidine (CAS 4319-77-1)
- Peptide 439 (CAS CATO-CPTD788439)
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