1-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-4-(3-methyl-1-phenyl-1H-pyrazole-4-carbonyl)piperazine CAS 321534-66-1
| CAS No. | 321534-66-1 |
| Molecular Formula | C21H19ClF3N5O |
| Molecular Weight | 449.86 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 1-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-4-(3-methyl-1-phenyl-1H-pyrazole-4-carbonyl)piperazine 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-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-4-(3-methyl-1-phenyl-1H-pyrazole-4-carbonyl)piperazine (CAS 321534-66-1), molecular formula C21H19ClF3N5O and molecular weight 449.86 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, a hydroxyl group, an ether linkage, fluorine/chlorine substitution, 1-[3-Chloro-5-(trifluoromethyl)pyridin-2-yl]-4-(3-methyl-1-phenyl-1H-pyrazole-4-carbonyl)piperazine is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 449.86 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 | C21H19ClF3N5O |
| Molecular Weight | 449.86 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor, low volatility) |
| 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | F/Cl-containing |
| Nitrogen Atoms | 5 |
Related Chloro Standards
- 5-(4-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)piperazin-1-yl)-3-methyl-1-phenyl-1H-pyrazole-4-carbaldehyde (CAS 400075-72-1)
- N-{2-[(2-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]amino}ethyl)amino]pyridin-3-yl}-4-methylbenzamide (CAS 338772-61-5)
- 8-(5-Chloro-2-methoxyphenyl)-3-ethyl-1-methyl-7-phenyl-1H-imidazo[2,1-f]purine-2,4(3H,8H)-dione (CAS 886900-16-9)
- (2E)-1-{4-[(2-chloro-6-fluorophenyl)methoxy]phenyl}-3-{[4-(trifluoromethyl)phenyl]amino}prop-2-en-1-one (CAS 477871-16-2)
- Ethyl 6-chloro-4-((3-(trifluoromethyl)phenyl)sulfonyl)-3,4-dihydro-2H-benzo[b][1,4]oxazine-2-carboxylate (CAS 866134-62-5)
- 2-(2-(4-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)piperazin-1-yl)acetamido)-N,3,3-trimethylbutanamide (CAS 318949-39-2)
- 5-Chloro-2-methoxy-N-{1-[3-(pyrazin-2-yl)-1,2,4-oxadiazol-5-yl]cyclohexyl}benzene-1-sulfonamide (CAS 1396865-20-5)
- 1-(3-Chloro-5-(trifluoromethyl)pyridin-2-yl)-3a',4',8',8a'-tetrahydrospiro[piperidine-4,6'-[1,3]dioxepino[5,6-d]isoxazole]-3'-carbohydrazide (CAS 303152-99-0)
Recommended Standards
- M2698(MSC-2363318A) (CAS 1379545-95-5)
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- 1-(3-Bromophenyl)-N-(2-ethoxyethyl)ethan-1-amine (CAS 1156244-65-3)
- Dimethyl 5-Nitroisophthalate (CAS 13290-96-5)
- 4-{[(tert-butoxy)carbonyl]amino}oxane-2-carboxylic acid (CAS 1779582-40-9)
- 3-(4-cyclopropyl-4H-1,2,4-triazol-3-yl)aniline (CAS 1249359-62-3)
- (E)-but-2-ene-1,4-diylbis(triphenylphosphonium) chloride (CAS 106423-29-4)
- 1-(1-Benzoylcyclopropyl)ethanone (CAS 5186-09-4)
- Methyl 2-(4-methylpiperidin-1-yl)acetate hydrochloride (CAS 1820684-70-5)
- 3-chloro-6-hydrazinyl-4,5-dimethylpyridazine (CAS 23130-84-9)
- tert-Butyl 4-(pyridin-2-ylthio)piperidine-1-carboxylate (CAS 333985-88-9)
- FMRF-Like Peptide from snail Helix aspersa (CAS 98495-35-3)
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