3-Chloro-2-(5-(4-(phenylthio)phenyl)-1H-pyrazol-1-yl)-5-(trifluoromethyl)pyridine CAS 321998-12-3
| CAS No. | 321998-12-3 |
| Molecular Formula | C21H13ClF3N3S |
| Molecular Weight | 431.86 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.
3-Chloro-2-(5-(4-(phenylthio)phenyl)-1H-pyrazol-1-yl)-5-(trifluoromethyl)pyridine (CAS 321998-12-3) is a high-purity analytical reference standard with the molecular formula C21H13ClF3N3S and a molecular weight of 431.86 g/mol.
Structurally, 3-Chloro-2-(5-(4-(phenylthio)phenyl)-1H-pyrazol-1-yl)-5-(trifluoromethyl)pyridine (C21H13ClF3N3S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, fluorine/chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 15.0, corresponding to approximately 15 ring(s) or double-bond equivalent(s). With a molecular weight of 431.86 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO manufactures 3-Chloro-2-(5-(4-(phenylthio)phenyl)-1H-pyrazol-1-yl)-5-(trifluoromethyl)pyridine 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 | C21H13ClF3N3S |
| Molecular Weight | 431.86 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Chloro Standards
- 3-((3-Chloro-5-(trifluoromethyl)pyridin-2-yl)thio)-1-phenyl-6,7-dihydro-5H-cyclopenta[c]pyridine-4-carbonitrile (CAS 861209-33-8)
- 5-((6-Chloro-5-(1-methyl-1H-indol-5-yl)-1H-benzo[d]imidazol-2-yl)oxy)-2-methylbenzoic acid (CAS 1219739-36-2)
- N-[(2-Chloro-6-fluorophenyl)methyl]-N-methyl-2,5-dioxo-4-phenyl-4-propyl-1-imidazolidineacetamide (CAS 852935-07-0)
- N4-(3-Chloro-4-fluorophenyl)-7-(3-morpholinopropoxy)quinazoline-4,6-diamine (CAS 267243-68-5)
- N-(3-chloro-4-fluorophenyl)-2-((3-cyano-6-ethyl-5-methyl-4-(trifluoromethyl)pyridin-2-yl)thio)acetamide (CAS 664999-23-9)
- Ethyl 2-(1-((3-chloro-5-(trifluoromethyl)pyridin-2-yl)methyl)-1H-1,2,3-triazol-4-yl)-5-methylthiazole-4-carboxylate (CAS 1823182-96-2)
- 1-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-N-(4-methoxyphenyl)-1H-pyrrole-2-sulfonamide (CAS 321433-66-3)
- 3-(3-(3-(2-Chloro-4-nitrophenoxy)propyl)ureido)benzene-1-sulfonyl fluoride (CAS 25240-52-2)
Recommended Standards
- Ethyl 2-amino-4-(2-chloro-6-fluorophenyl)-5-oxo-4H,5H-thiochromeno[4,3-b]pyran-3-carboxylate (CAS 939894-07-2)
- 5-((4-Chlorophenyl)sulfinyl)-N-(3-(trifluoromethyl)phenyl)-1,2,3-thiadiazole-4-carboxamide (CAS 306977-02-6)
- 6-Amino-4-[[3-chloro-4-(2-pyridyloxy)phenyl]amino]-7-ethoxyquinoline-3-carbonitrile (CAS 1956340-48-9)
- Albaconazole (CAS 187949-02-6)
- 1-(3-Chloro-4-fluorophenyl)-3-(4-methoxyphenyl)propan-1-one (CAS 898775-96-7)
- 6-Bromo-4-iodopicolinaldehyde (CAS 1289052-89-6)
- 3-Acetamido-3-(2-chlorophenyl)propanoic acid (CAS 886363-75-3)
- 2-(2-Bromo-4-(difluoromethyl)-5-methylpyridin-3-yl)acetonitrile (CAS 1806862-20-3)
- 3-(Pyridin-3-yl)-4,5-dihydro-1,2-oxazole-5-carboxylic acid (CAS 264606-31-7)
- 2-(5-Phenyl-1,2-oxazol-3-yl)acetic acid (CAS 3919-88-8)
- 4-Chloro-1,1-dioxidotetrahydrothiophen-3-yl acetate (CAS 75754-25-5)
- 2-Amino-N-isopropyl-N-(pyridin-2-ylmethyl)acetamide (CAS 1178299-58-5)
- 5-(2,5-Dimethoxyphenyl)picolinic acid (CAS 1261994-86-8)
- Heptapeptide-6 (CAS CATO-CPTD788823)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com