1-{4-[(difluoromethyl)sulfanyl]phenyl}-2,5-dihydro-1H-pyrrole-2,5-dione CAS 68255-71-0
| CAS No. | 68255-71-0 |
| Molecular Formula | C11H7F2NO2S |
| Molecular Weight | 255.24 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1-{4-[(difluoromethyl)sulfanyl]phenyl}-2,5-dihydro-1H-pyrrole-2,5-dione 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.
1-{4-[(difluoromethyl)sulfanyl]phenyl}-2,5-dihydro-1H-pyrrole-2,5-dione (CAS 68255-71-0), molecular formula C11H7F2NO2S and molecular weight 255.24 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C11H7F2NO2S, 1-{4-[(difluoromethyl)sulfanyl]phenyl}-2,5-dihydro-1H-pyrrole-2,5-dione contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 255.24 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 | C11H7F2NO2S |
| Molecular Weight | 255.24 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1976 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related difluoromethyl Standards
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- ethyl 7-(difluoromethyl)-2-methylpyrazolo[1,5-a]pyrimidine-6-carboxylate (CAS 1160246-37-6)
- 2-[4-(difluoromethyl)-3,6-dimethyl-1h-pyrazolo[3,4-b]pyridin-1-yl]acetic acid (CAS 937607-08-4)
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Recommended Standards
- 1-[3-(4-Fluorophenyl)-2,1-benzoxazol-5-yl]ethan-1-one (CAS 306978-23-4)
- 1-Benzyl-5-fluoroindoline-2,3-dione (CAS 366799-82-8)
- 1-(4-FLUOROPHENYL)-1H-INDOLE-5-CARBOXYLICACID (CAS 243467-60-9)
- 2-(2,4-Difluorophenyl)thiazole-4-carbohydrazide (CAS 262589-16-2)
- (3-Cyclopropoxy-2-methoxyphenyl)methanamine (CAS 1243455-09-5)
- 4-(Difluoromethyl)-2-iodopyridine-3,5-diol (CAS 1806801-15-9)
- Phenyl 8-methyl-2-phenylquinoline-4-carboxylate (CAS 355826-81-2)
- 3-(fluoromethyl)tetrahydrofuran-3-carboxylic acid (CAS 1780457-15-9)
- Losartan Impurity 47 (CAS CATO-C4X-168347)
- (3-Bromobicyclo[1.1.1]Pentan-1-yl)methyl acetate (CAS 137741-17-4)
- (2R,3R)-2-Amino-3-phenylbutyric Acid Hydrochloride (CAS 143251-57-4)
- 3-(4-Fluorophenyl)tetrahydrofuran-3-carbaldehyde (CAS 1060817-44-8)
- N-(4-Hydroxybutyl)-1,3-dimethyl-2,4-dioxo-1,2,3,4-tetrahydrothieno[2,3-d]pyrimidine-6-carboxamide (CAS 946207-13-2)
- Glucagon receptor antagonists-2 (CAS 202917-18-8)
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