5-Chloro-4-{[(4-methoxyphenyl)sulfanyl]methyl}-1-methyl-3-{[(4-methylphenyl)sulfanyl]methyl}-1H-pyrazole CAS 318248-63-4
| CAS No. | 318248-63-4 |
| Molecular Formula | C20H21ClN2OS2 |
| Molecular Weight | 404.98 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO manufactures 5-Chloro-4-{[(4-methoxyphenyl)sulfanyl]methyl}-1-methyl-3-{[(4-methylphenyl)sulfanyl]methyl}-1H-pyrazole 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.
5-Chloro-4-{[(4-methoxyphenyl)sulfanyl]methyl}-1-methyl-3-{[(4-methylphenyl)sulfanyl]methyl}-1H-pyrazole (CAS 318248-63-4), molecular formula C20H21ClN2OS2 and molecular weight 404.98 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, chlorine substitution, 5-Chloro-4-{[(4-methoxyphenyl)sulfanyl]methyl}-1-methyl-3-{[(4-methylphenyl)sulfanyl]methyl}-1H-pyrazole is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 404.98 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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 | C20H21ClN2OS2 |
| Molecular Weight | 404.98 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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Recommended Standards
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- 1379811-25-2 2-Cyclobutyl-5-methyl[1,2,4]triazolo[1,5-a]pyrimidin-7(4H)-one MFCD22374988 (CAS 1379811-25-2)
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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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