1-Isopropyl-N-methyl-4,5-dioxo-N-(4-(phenylthio)phenyl)pyrrolidine-3-carboxamide CAS 77711-85-4
| CAS No. | 77711-85-4 |
| Molecular Formula | C21H22N2O3S |
| Molecular Weight | 382.48 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 1-Isopropyl-N-methyl-4,5-dioxo-N-(4-(phenylthio)phenyl)pyrrolidine-3-carboxamide (CAS 77711-85-4), a certified reference material (molecular formula C21H22N2O3S, MW 382.48 g/mol) for analytical method development and quality control.
Structurally, 1-Isopropyl-N-methyl-4,5-dioxo-N-(4-(phenylthio)phenyl)pyrrolidine-3-carboxamide (C21H22N2O3S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 382.48 g/mol, it falls into the moderately-high-molecular-weight range. 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-Isopropyl-N-methyl-4,5-dioxo-N-(4-(phenylthio)phenyl)pyrrolidine-3-carboxamide 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 | C21H22N2O3S |
| Molecular Weight | 382.48 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1979 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Isopropyl Standards
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Recommended Standards
- 1-(Azepan-1-yl)-2-((3-(p-tolyl)-3H-[1,2,3]triazolo[4,5-d]pyrimidin-7-yl)thio)ethan-1-one (CAS 863459-07-8)
- 2-((3-Allyl-4-oxo-3,4-dihydroquinazolin-2-yl)thio)-N-(1-cyanocyclohexyl)acetamide (CAS 849685-58-1)
- 1-(2-Methoxyphenyl)-4-(naphthalen-2-ylsulfonyl)piperazine (CAS 305373-59-5)
- 2-((4-Ethyl-5-(pyrazin-2-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(2-ethyl-6-methylphenyl)acetamide (CAS 587012-06-4)
- N-nitroso-ertapenem disodium salt (CAS CATO-C4X-163362)
- [2,4'-Bipyridine]-5-carboxylic acid hydrochloride (CAS 222986-45-0)
- 5-(3-Ethoxy-1-ethyl-1h-pyrazol-4-yl)-4-methyl-4h-1,2,4-triazole-3-thiol (CAS 1171183-27-9)
- (4-Cyclopropyl-2-fluorophenyl)methanamine (CAS 1248106-66-2)
- (1-Methyl-1,2,3,4-tetrahydroquinolin-3-yl)methanamine (CAS 46176-63-0)
- Methyl 1-(2-cyanopyridin-4-yl)piperidine-4-carboxylate (CAS 1283441-69-9)
- (R)-2-(DIMETHYLAMINO)-2-(2-FLUOROPHENYL)ACETIC ACID (CAS 1007885-59-7)
- 2-(Naphthalen-1-ylmethyl)pyrrolidine hydrochloride (CAS 100955-55-3)
- 1-(Cyclohexylmethyl)-1H-1,2,3-triazole-4-carboxylic acid (CAS 1247742-65-9)
- Semaglutide Impurity 185 (CAS CATO-C4X-2226185)
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