(E)-2-{1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-1H-pyrrol-2-yl}-N-(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}ethyl)ethene-1-sulfonamide CAS 478246-23-0
| CAS No. | 478246-23-0 |
| Molecular Formula | C20H15Cl2F6N5O2S |
| Molecular Weight | 574.33 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (E)-2-{1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-1H-pyrrol-2-yl}-N-(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}ethyl)ethene-1-sulfonamide 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.
(E)-2-{1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-1H-pyrrol-2-yl}-N-(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}ethyl)ethene-1-sulfonamide (CAS 478246-23-0) is a high-purity analytical reference standard with the molecular formula C20H15Cl2F6N5O2S and a molecular weight of 574.33 g/mol.
Structurally, (E)-2-{1-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-1H-pyrrol-2-yl}-N-(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}ethyl)ethene-1-sulfonamide (C20H15Cl2F6N5O2S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution. 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 574.33 g/mol, it falls into the moderately-high-molecular-weight range. 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 | C20H15Cl2F6N5O2S |
| Molecular Weight | 574.33 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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related E Standards
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- Chloro{N-[(1R,2R)-2-[(S)-[2-[[1,2,3,4,5,6-η)-4-methylphenyl]methoxy]ethyl]amino]-1,2-diphenylethylmethanesulfonamidato}ruthenium(II) (CAS 1333981-86-4)
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Recommended Standards
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- N-(2-chlorophenyl)-2-((3-ethyl-4-oxo-7-phenyl-3,4-dihydrothieno[3,2-d]pyrimidin-2-yl)thio)acetamide (CAS 1040682-98-1)
- N-[(S)-1-(2-Hydroxy-ethyl)-piperidin-3-yl]-N-isopropyl-acetamide (CAS 1354020-02-2)
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- 2-(2-Oxo-6-sulfamoyl-2,3-dihydro-1,3-benzoxazol-3-yl)acetic acid (CAS 929975-43-9)
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- Peptide Impurity 64 (CAS CATO-CPTD788964)
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