(E)-Diethyl (3-oxo-3-phenylprop-1-en-1-yl)phosphonate CAS 70508-77-9
| CAS No. | 70508-77-9 |
| Molecular Formula | C13H17O4P |
| Molecular Weight | 268.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (E)-Diethyl (3-oxo-3-phenylprop-1-en-1-yl)phosphonate (CAS 70508-77-9), a certified reference material (molecular formula C13H17O4P, MW 268.25 g/mol) for analytical method development and quality control.
Based on its molecular formula C13H17O4P, (E)-Diethyl (3-oxo-3-phenylprop-1-en-1-yl)phosphonate contains a phosphate ester group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 268.25 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C13H17O4P |
| Molecular Weight | 268.25 g/mol |
| Appearance | Off-white to pale yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1977 |
Related E Standards
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Recommended Standards
- (2R,3S,4S,5R)-2-(6-Amino-9H-purin-9-yl)-5-(aminomethyl)-4-fluorotetrahydrofuran-3-ol (CAS 125362-06-3)
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- ((2R,3S,4S,5R)-4-Amino-5-(6-amino-9H-purin-9-yl)-3-fluorotetrahydrofuran-2-yl)methanol (CAS 123334-76-9)
- 2,3,5-Trimethylphenyl Trifluoromethanesulfonate (CAS 209684-76-4)
- 4-(Piperidin-4-yloxy)quinazoline (CAS 853687-25-9)
- Methyl 5-acetamido-4-7-8-9-tetra-O-acetyl-2-6-anhydro-3-5-dideoxy-D-glycero-D-galacto-non-2-enonate (CAS 73960-72-2)
- 3,5-Dimethyl-1-((3-methyl-4-propoxyphenyl)sulfonyl)-1H-pyrazole (CAS 957502-70-4)
- 2-(2,6-Dichloro-3,4-dimethylphenoxy)acetic acid (CAS 19546-00-0)
- AZD-9291 Impurity 10 (CAS CATO-C4X-112710)
- 2-(4-(Methylsulfonyl)piperazin-1-yl)thiazol-4-amine (CAS 1023815-33-9)
- 6-Bromo-4-fluoroisoindoline (CAS 689214-92-4)
- 1-(Cyclopropylmethyl)piperazin-2-one (CAS 148336-01-0)
- 3-Amino-6-isopropyl-2-methylthieno-[2,3-d]pyrimidin-4(3H)-one (CAS 932796-38-8)
- Myosin Kinase Inhibiting Peptide (CAS 119386-39-9)
Why CATO?
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