4-[2-[(E)-[3-(2-Methoxy-2-oxoethyl)-2,4-dioxo-1,3-thiazolidin-5-ylidene]methyl]pyrrol-1-yl]benzoic acid CAS 2219040-93-2
| CAS No. | 2219040-93-2 |
| Molecular Formula | C18H14N2O6S |
| Molecular Weight | 386.38 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Structurally, 4-[2-[(E)-[3-(2-Methoxy-2-oxoethyl)-2,4-dioxo-1,3-thiazolidin-5-ylidene]methyl]pyrrol-1-yl]benzoic acid (C18H14N2O6S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 386.38 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
CATO supplies 4-[2-[(E)-[3-(2-Methoxy-2-oxoethyl)-2,4-dioxo-1,3-thiazolidin-5-ylidene]methyl]pyrrol-1-yl]benzoic acid (CAS 2219040-93-2), a certified reference material (molecular formula C18H14N2O6S, MW 386.38 g/mol) for analytical method development and quality control.
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), 4-[2-[(E)-[3-(2-Methoxy-2-oxoethyl)-2,4-dioxo-1,3-thiazolidin-5-ylidene]methyl]pyrrol-1-yl]benzoic acid 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 | C18H14N2O6S |
| Molecular Weight | 386.38 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related E Standards
- 5-[[3-Methoxy-4-[(4-nitrophenyl)methoxy]phenyl]methylene]thiazolidine-2,4-dione (CAS 331660-78-7)
- Ethyl 4-(4-methoxy-6-oxo-1-phenyl-1,6-dihydropyridazine-3-carbonyl)piperazine-1-carboxylate (CAS 921516-40-7)
- 5-(2-Methoxy-4-(((2-(tetrahydro-2H-pyran-4-yl)ethyl)amino)methyl)phenoxy)pyrazine-2-carboxamide (CAS 676500-67-7)
- 7-Methoxy-3-(1-phenyl-1H-pyrazol-4-yl)-2-(trifluoromethyl)-4H-chromen-4-one (CAS 51412-22-7)
- 2-((4-Methoxy-N-phenylphenyl)sulfonamido)-N-(2-methylbut-3-yn-2-yl)acetamide (CAS 339013-35-3)
- 6-Methoxy-1-(10-(piperidin-1-yl)decyl)-1,2,3,4-tetrahydroquinoline (CAS 5414-60-8)
- 3-Methoxy-N-[1-(5-methyl-1H-1,3-benzodiazol-2-yl)-2-phenylethyl]benzamide (CAS 338410-56-3)
- 2-Methoxy-N-(2-(3-oxo-3,4-dihydroquinoxalin-2-yl)phenyl)-2-phenylacetamide (CAS 900013-26-5)
Recommended Standards
- Cefuroxime Impurity C95 (CAS 27920-90-7)
- 3-(2-Fluorophenyl)-5-(4-methoxyphenoxy)-[1,2,4]triazolo[4,3-c]quinazoline (CAS 477853-45-5)
- 2-Pyridyl-2,8-bis(trifluoromethyl)-4-quinolyl ketone; [2,8-bis(Trifluoromethyl)-4-quinolyl]-2-pyridyl ketone; 2-Pyridinyl[2,8-bis(trifluoromethyl)-4-quinolinyl]methanone 35853-55-5 AB1006526 (CAS 35853-55-5)
- 2-(4-Hydroxy-7-(phenylsulfonyl)isoquinoline-3-carboxamido)acetic acid (CAS 808118-93-6)
- 1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)piperidin-4-amine hydrochloride (CAS 1185310-97-7)
- 4-Methoxy-2-nitronaphtho[2,1-b]furan (CAS 75965-72-9)
- 5-(3,5-Difluorophenyl)-1,3-oxazole-4-carboxylic acid (CAS 887267-63-2)
- (5S)-5-(Aminomethyl)-1,3-oxazolidin-2-one hydrochloride (CAS 2007909-59-1)
- 2-((6-(Tert-butyl)-3-cyano-4-(trifluoromethyl)-5,6,7,8-tetrahydroquinolin-2-yl)thio)-N-(thiazol-2-yl)acetamide (CAS 664999-26-2)
- 7-(3-Chlorophenyl)-2-[4-(2-chlorophenyl)piperazin-1-yl]-3H,4H-thieno[3,2-d]pyrimidin-4-one (CAS 1242864-57-8)
- 1-(4,5,6,7-Tetrahydro-1-benzothiophen-2-yl)ethan-1-amine hydrochloride (CAS 1423031-24-6)
- 5-(Bromomethyl)-2-(difluoromethyl)pyridine (CAS 1305323-52-7)
- (1-Phenyl-1,4,5,6-tetrahydrocyclopenta[c]pyrazol-3-yl)methanamine (CAS 1193403-50-7)
- Semaglutide Impurity 4 (CAS CATO-C4X-22264)
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