1-((Trifluoromethyl)thio)pyrrolidine-2,5-dione CAS 183267-04-1
| CAS No. | 183267-04-1 |
| Molecular Formula | C5H4F3NO2S |
| Molecular Weight | 199.15 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
1-((Trifluoromethyl)thio)pyrrolidine-2,5-dione (CAS 183267-04-1) is a high-purity analytical reference standard with the molecular formula C5H4F3NO2S and a molecular weight of 199.15 g/mol.
Based on its molecular formula C5H4F3NO2S, 1-((Trifluoromethyl)thio)pyrrolidine-2,5-dione contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 199.15 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 1-((Trifluoromethyl)thio)pyrrolidine-2,5-dione under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C5H4F3NO2S |
| Molecular Weight | 199.15 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 3.0 |
| UV Absorption | UV-absorbing |
| CAS Registry Year (est.) | 2009 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
- (4-(Difluoromethyl)benzo[d]oxazol-2-yl)methanol (CAS 1807045-24-4)
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- N-(3-(benzyloxy)pyridin-2-yl)-4-methylbenzamide (CAS 491867-71-1)
- 2-Methoxy-4-(trifluoromethyl)nicotinamide (CAS 175277-68-6)
- (R)-N-(1,1,1-Trifluoropropan-2-yl)benzamide (CAS 1998156-24-3)
- (S)-N-Methyl-1,1,1-Trifluoro-2-pentylamine (CAS 1389310-11-5)
- Arginine Impurity 1 (CAS 2408930-69-6（free base）)
- ethyl 7-cyanoimidazo[1,2-a]pyridine-3-carboxylate (CAS 1383475-40-8)
- TLQP-21 (human) (CAS 1259837-37-0)
- 1-(3-Methylisoxazol-5-yl)propan-2-one (CAS 19986-25-5)
- D-Ala18-Tirzepatide (CAS CATO-CPTD788916)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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