2-(5-(Ethylthio)-1-methyl-4-(3-methylbenzoyl)-2-oxo-2,5-dihydro-1H-pyrrol-3-yl)acetic acid CAS 1269527-74-3
| CAS No. | 1269527-74-3 |
| Molecular Formula | C17H19NO4S |
| Molecular Weight | 333.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-(5-(Ethylthio)-1-methyl-4-(3-methylbenzoyl)-2-oxo-2,5-dihydro-1H-pyrrol-3-yl)acetic 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.
2-(5-(Ethylthio)-1-methyl-4-(3-methylbenzoyl)-2-oxo-2,5-dihydro-1H-pyrrol-3-yl)acetic acid (CAS 1269527-74-3), molecular formula C17H19NO4S and molecular weight 333.40 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 2-(5-(Ethylthio)-1-methyl-4-(3-methylbenzoyl)-2-oxo-2,5-dihydro-1H-pyrrol-3-yl)acetic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 333.40 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.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C17H19NO4S |
| Molecular Weight | 333.40 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1990 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Ethylthio Standards
- N-(5-(Ethylthio)-1,3,4-thiadiazol-2-yl)-3-(1H-tetrazol-1-yl)benzamide (CAS 915910-52-0)
- 2-(4-(Ethylthio)phenyl)-N-(4,5,6,7-tetrahydrobenzo[d]thiazol-2-yl)acetamide (CAS 941883-23-4)
- 4-(Ethylthio)-N-(6-fluorobenzo[d]thiazol-2-yl)benzamide (CAS 886930-96-7)
- N-(5-(Ethylthio)-1,3,4-thiadiazol-2-yl)-6-(1H-1,2,4-triazol-1-yl)pyridazine-3-carboxamide (CAS 1448131-01-8)
- 2-(2-(4-(Ethylthio)phenyl)acetamido)-N-methylthiophene-3-carboxamide (CAS 941930-44-5)
- 2-(2-(Ethylthio)benzamido)-4,5-dimethylthiophene-3-carboxamide (CAS 886918-87-2)
- 2-(3-(Ethylthio)benzamido)-4,5-dimethylthiophene-3-carboxamide (CAS 886914-40-5)
- Ethyl 2-(ethylthio)-7-oxo-5-(trifluoromethyl)-4,7-dihydropyrazolo[1,5-a]pyrimidine-3-carboxylate (CAS 1263216-49-4)
Recommended Standards
- 4-Methoxy-4'-(pyrrolidin-1-ylsulfonyl)-[1,1'-biphenyl]-3-ol (CAS 1261951-21-6)
- tert-butyl (2S)-2-({6-fluoroimidazo[1,2-a]pyridin-2-yl}methyl)piperidine-1-carboxylate (CAS 1304143-90-5)
- 4-Methoxy-3'-(pyrrolidin-1-ylsulfonyl)-[1,1'-biphenyl]-3-ol (CAS 1261941-70-1)
- tert-butyl (2S)-2-({5-fluoroimidazo[1,2-a]pyridin-2-yl}methyl)piperidine-1-carboxylate (CAS 1304495-27-9)
- 7-Bromo-4-{[4-(trifluoromethyl)phenyl]methyl}-2,3,4,5-tetrahydro-1,4-benzoxazepin-3-one (CAS 1326888-60-1)
- 3,8-Dimethoxy-4-methylbenzo[g]quinoline-5,10-dione (CAS 143704-03-4)
- 7-(4-Methoxyphenyl)-5-methyl-4,7-dihydro-[1,2,4]triazolo[1,5-a]pyrimidine-6-carboxamide (CAS 536999-14-1)
- 2-(Cyclohept-1-en-1-yl)butanenitrile (CAS 6626-06-8)
- 3-(((3-Fluorobenzyl)oxy)methyl)-1-methyl-4,5,6,7-tetrahydro-1H-pyrazolo[4,3-c]pyridine (CAS 1306739-12-7)
- 4-Fluoropyridine-3-boronic Acid Pinacol Ester (CAS 1220219-91-9)
- PCN 224 (CAS 1476810-88-4)
- N-((1-(4-Fluorophenyl)-1H-tetrazol-5-yl)methyl)pentanamide (CAS 920464-17-1)
- (4-Chlorophenyl)[4-(1H-imidazol-1-yl)phenyl]methanol (CAS 88941-49-5)
- Neuropeptide Y (3-36) (porcine) trifluoroacetate salt (CAS 143863-88-1)
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