2-[2-(4-Butylphenyl)-2-oxoethylidene]-1,3-thiazolidin-4-one CAS 571920-78-0
| CAS No. | 571920-78-0 |
| Molecular Formula | C15H17NO2S |
| Molecular Weight | 275.37 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
2-[2-(4-Butylphenyl)-2-oxoethylidene]-1,3-thiazolidin-4-one (CAS 571920-78-0), molecular formula C15H17NO2S and molecular weight 275.37 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C15H17NO2S, 2-[2-(4-Butylphenyl)-2-oxoethylidene]-1,3-thiazolidin-4-one contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 275.37 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.
Physical & Chemical Properties
| Molecular Formula | C15H17NO2S |
| Molecular Weight | 275.37 g/mol |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Butylphenyl Standards
- 5-(4-Tert-butylphenyl)-4-methylthiophene-2-carboxylic acid (CAS 861432-72-6)
- N-(4-(4-butylphenyl)thiazol-2-yl)acetamide (CAS 478065-85-9)
- Ethyl 5-(4-butylphenyl)-5-oxopentanoate (CAS 138247-13-9)
- 1-(4-Butylphenyl)-3-(1,3-dioxan-2-yl)propan-1-one (CAS 898787-13-8)
- 951892-12-9 7-(4-n-Butylphenyl)-7-oxoheptanoic acid MFCD02260959 (CAS 951892-12-9)
- 1-(4-tert-Butylphenyl)-4-oxocyclohexanecarboxylic Acid (CAS 1385694-58-5)
- (4-Butylphenyl)(3,4-difluorophenyl)methanone (CAS 845781-04-6)
- (4-Butylphenyl)(3,5-difluorophenyl)methanone (CAS 844885-13-8)
Recommended Standards
- 2-[1-(1,3-benzothiazol-2-ylmethyl)cyclopentyl]acetic acid (CAS 852388-79-5)
- 2-Amino-4-ethyl-5-methyl-N-(pyridin-3-ylmethyl)thiophene-3-carboxamide (CAS 522597-95-1)
- 2,5-Dimethoxy-4-(p-tolylthio)aniline (CAS 85896-12-4)
- 2-Amino-N-cyclohexylbenzo[d]thiazole-6-carboxamide (CAS 505078-84-2)
- 3-Methyl-2-trifluoromethylpyridine-5-boronic acid (CAS 1889221-03-7)
- Spathulenol (CAS 6750-60-3)
- 1-(2-amino-5-hydroxyphenyl)ethan-1-one (CAS 30954-71-3)
- 2,2'-(Propane-2,2-diyl)difuran (CAS 17920-88-6)
- Tert-butyl 5-methyl-6-oxooctahydro-2H-pyrrolo[3,4-c]pyridine-2-carboxylate (CAS 1360363-93-4)
- 2-(Benzylsulfonyl)-N-(3-cyanothiophen-2-yl)acetamide (CAS 922451-33-0)
- Amantadine-d6 (CAS 1219805-53-4)
- Nefopam impurity 22 (CAS CATO-C4X-283722)
- Vanadium(II) chloride (CAS 10580-52-6)
- Fragment-[7-31]-Liraglutide (CAS CATO-C4X-199239)
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