1-(Thiophen-2-yl)-2-(triphenylphosphoranylidene)ethanone CAS 1777-61-3
| CAS No. | 1777-61-3 |
| Molecular Formula | C24H19OPS |
| Molecular Weight | 386.45 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1-(Thiophen-2-yl)-2-(triphenylphosphoranylidene)ethanone.
1-(Thiophen-2-yl)-2-(triphenylphosphoranylidene)ethanone (CAS 1777-61-3) is a high-purity analytical reference standard with the molecular formula C24H19OPS and a molecular weight of 386.45 g/mol.
Based on its molecular formula C24H19OPS, 1-(Thiophen-2-yl)-2-(triphenylphosphoranylidene)ethanone contains a steroid core, sulfur-containing functionality, organophosphorus functionality, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 386.45 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).
This reference standard is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), 1-(Thiophen-2-yl)-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 | C24H19OPS |
| Molecular Weight | 386.45 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 15.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Sulfur Atoms | 1 |
Related Thiophen Standards
- 4-Phenyl-6-(4-(thiophen-2-ylsulfonyl)piperazin-1-yl)pyrimidine (CAS 1351633-21-0)
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Recommended Standards
- 1,2,4,5-Tetra(pyridin-4-yl)benzene (CAS 170165-81-8)
- 1-[7-(4-Methoxyphenyl)-[1,2,4]triazolo[1,5-a]pyrimidin-2-yl]-4-phenylpiperazine (CAS 338403-71-7)
- 4'-((7-Hydroxy-5-propylpyrazolo[1,5-a]pyrimidin-6-yl)methyl)-[1,1'-biphenyl]-2-carboxamide (CAS 167375-27-1)
- 1-{3-[2-(2,5-dimethyl-1H-pyrrol-1-yl)-[1,2,4]triazolo[1,5-a]pyrimidin-7-yl]phenyl}-3,3-dimethylazetidin-2-one (CAS 866050-64-8)
- 5-Bromo-2-hydrazinyl-4-(trifluoromethyl)pyrimidine (CAS 785777-93-7)
- 1-(Trifluoromethyl)piperidin-4-amine (CAS 1420815-17-3)
- (2E)-3-(4-tert-Butylphenyl)-1-(2,5-dimethoxyphenyl)prop-2-en-1-one (CAS 1354941-88-0)
- 7-(trifluoromethyl)-1,2,3,3a-tetrahydropyrrolo[1,2-a]quinoxalin-4(5H)-one (CAS 1009166-71-5)
- Olopatadine Impurity 5 (CAS CATO-C4X-17185)
- 3-Methyl-6-(trifluoromethoxy)pyridin-2-amine (CAS 1361681-16-4)
- Estradiol EP Impurity D (CAS 791-69-5)
- 2-((2-Fluorobenzyl)amino)-1,1-bis(4-fluorophenyl)ethan-1-ol (CAS 861208-42-6)
- 3-Amino-1-(3-methoxyphenyl)propan-1-ol (CAS 1082502-12-2)
- Dendroaspis Natriuretic Peptide (CAS 255721-52-9)
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