1-[(difluoromethyl)sulfanyl]-3-nitrobenzene CAS 24933-39-9
| CAS No. | 24933-39-9 |
| Molecular Formula | C7H5F2NO2S |
| Molecular Weight | 205.18 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1-[(difluoromethyl)sulfanyl]-3-nitrobenzene 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-[(difluoromethyl)sulfanyl]-3-nitrobenzene (CAS 24933-39-9), molecular formula C7H5F2NO2S and molecular weight 205.18 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 1-[(difluoromethyl)sulfanyl]-3-nitrobenzene (C7H5F2NO2S) contains an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, fluorine substitution, an aromatic ring system. The molecule exhibits a degree of unsaturation (DBE) of 5.0, corresponding to approximately 5 ring(s) or double-bond equivalent(s). With a molecular weight of 205.18 g/mol, it falls into the medium-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.
Physical & Chemical Properties
| Molecular Formula | C7H5F2NO2S |
| Molecular Weight | 205.18 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) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1964 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related difluoromethyl Standards
- (Difluoromethyl)(2-nitrophenyl)sulfane (CAS 24933-38-8)
- (Difluoromethyl)(4-nitrophenyl)sulfane (CAS 24933-57-1)
- 2-[(difluoromethyl)sulfanyl]pyridine-3-carboxylic acid (CAS 852706-16-2)
- (7aR)-6-(Difluoromethyl)-7a-(hydroxymethyl)hexahydro-3H-pyrrolizin-3-one (CAS 2852766-78-8)
- 2-(Difluoromethyl)-3,4-dimethoxy-6-hydroxypyridine (CAS 1804452-34-3)
- 4-(Difluoromethyl)-2,5-dimethoxypyridin-3-ol (CAS 1805285-14-6)
- 2-(Difluoromethyl)-3-hydroxy-6-methoxypyridine-5-methanol (CAS 1805451-30-2)
- 2-(Difluoromethyl)-6-hydroxy-4-methoxypyridine-3-methanol (CAS 1805451-48-2)
Recommended Standards
- 1-(5-ethenyl-1,2,3,6-tetrahydropyridin-1-yl)-2,2,2-trifluoroethan-1-one (CAS 875138-36-6)
- 1-[2-(trifluoromethoxy)phenyl]ethan-1-amine (CAS 864263-88-7)
- 1-(4-(Aminomethyl)phenyl)-2,2,2-trifluoroethanol (CAS 214759-63-4)
- 1-Methyl-3-(trifluoromethyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine (CAS 794451-98-2)
- N-Phenylfuran-2-sulfonamide (CAS 52665-43-7)
- 2,4-Bis(4-fluorophenyl)pyridine (CAS 1214344-93-0)
- 4-(6-Dimethylamino-4-trifluoromethyl-pyridin-2-yl)-N,N-diethyl-benzamide (CAS 1311278-74-6)
- 2-Chloro-N-(5-hydroxy-3-phenylpentyl)benzamide (CAS 1788677-82-6)
- N-Benzyl-N-methyl-5-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)pyridin-2-amine (CAS 1073354-30-9)
- 4-(3-(4-Methoxyphenyl)-1H-pyrazol-5-yl)butanoic acid (CAS 1239069-86-3)
- 4-Aminoindolin-7-ol (CAS 121545-81-1)
- Ethyl 3-(1-Boc-4-piperidinyl)-2-butenoate (CAS 2006281-59-8)
- 2,2-Dimethyl-5-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)benzylidene)-1,3-dioxane-4,6-dione (CAS 1196033-40-5)
- Semaglutide Impurity 10 (CAS CATO-C4X-222610)
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