5-(5-Bromo-2-oxo-1-propylindolin-3-ylidene)-3-((tetrahydrofuran-2-yl)methyl)-2-thioxothiazolidin-4-one CAS 617696-64-7
| CAS No. | 617696-64-7 |
| Molecular Formula | C19H19BrN2O3S2 |
| Molecular Weight | 467.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-(5-Bromo-2-oxo-1-propylindolin-3-ylidene)-3-((tetrahydrofuran-2-yl)methyl)-2-thioxothiazolidin-4-one (CAS 617696-64-7), molecular formula C19H19BrN2O3S2 and molecular weight 467.40 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-(5-Bromo-2-oxo-1-propylindolin-3-ylidene)-3-((tetrahydrofuran-2-yl)methyl)-2-thioxothiazolidin-4-one (C19H19BrN2O3S2) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, bromine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 467.40 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).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
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.
Physical & Chemical Properties
| Molecular Formula | C19H19BrN2O3S2 |
| Molecular Weight | 467.40 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Halogen Content | Br-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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Recommended Standards
- Piperaquine Impurity 9 (CAS 1233345-93-1)
- TC-I 2014 (CAS 1221349-53-6)
- Tolvaptan Impurity 51 (CAS CATO-C4X-195551)
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- 2-(4-Chlorophenoxymethyl)-1H-1,3-benzodiazole (CAS 3156-18-1)
- 5-methyl-1,3,4-oxadiazole-2-carbaldehyde (CAS 164024-09-3)
- 4-(6-Chloropyridazin-3-yl)piperazin-2-one (CAS 1094291-62-9)
- 2-(5-Methyl-3-oxo-2,3-dihydro-1H-inden-1-ylidene)malononitrile (CAS 2047352-75-8)
- 4-Methoxy-2-(4-methoxyphenyl)-1H-imidazole (CAS 128666-02-4)
- 5-Aminolevulinic acid benzyl ester, HCl (CAS 163271-32-7)
- 2-Chloro-N-(4-chlorophenyl)prop-2-enamide (CAS 6090-85-3)
- N-(5-(2,3-Dihydrobenzo[b][1,4]dioxine-2-carbonyl)-4,5,6,7-tetrahydrothiazolo[5,4-c]pyridin-2-yl)furan-2-carboxamide (CAS 1351595-75-9)
- (2-(Morpholinomethyl)phenyl)methanol (CAS 91271-63-5)
- Semaglutide impurity 62 (CAS CATO-C4X-222662)
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