5-Chloro-2-(4-chloro-3,5-dimethyl-1H-pyrazol-1-yl)-4-(3,4-dichlorophenyl)thiazole CAS 956357-06-5
| CAS No. | 956357-06-5 |
| Molecular Formula | C14H9Cl4N3S |
| Molecular Weight | 393.12 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
5-Chloro-2-(4-chloro-3,5-dimethyl-1H-pyrazol-1-yl)-4-(3,4-dichlorophenyl)thiazole (CAS 956357-06-5), molecular formula C14H9Cl4N3S and molecular weight 393.12 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 5-Chloro-2-(4-chloro-3,5-dimethyl-1H-pyrazol-1-yl)-4-(3,4-dichlorophenyl)thiazole (C14H9Cl4N3S) contains a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 10.0, corresponding to approximately 10 ring(s) or double-bond equivalent(s). With a molecular weight of 393.12 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 | C14H9Cl4N3S |
| Molecular Weight | 393.12 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Chloro Standards
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Recommended Standards
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- 2,7-Dibromospiro[fluorene-9,4'-piperidine] (CAS 1616113-97-3)
- 7-Iodo-8-aza-7-deaza-adenosine (CAS 144928-33-6)
- [(2-fluorophenyl)methyl]hydrazine dihydrochloride (CAS 1349715-77-0)
- Benzyl 3-((cyclopropyl(2-hydroxyethyl)amino)methyl)pyrrolidine-1-carboxylate (CAS 1353955-59-5)
- tert-Butyl (8aS)-7-oxo-octahydropyrrolo[1,2-a]piperazine-2-carboxylate (CAS 1190946-32-7)
- 2-Carboxy-4-fluorophenylboronic acid (CAS 874290-63-8)
- Spiro[cyclopropane-1,5'(6'H)-furo[2,3-d]pyrimidine] (CAS 132804-26-3)
- 1,4-Difluoro-9H-fluoren-9-one (CAS 17532-94-4)
- ethyl 2-(2-methoxypyrimidin-5-yl)acetate (CAS 1851557-55-5)
- 4-Methoxyaniline Hydrochloride (CAS 20265-97-8)
- 2-(4-Aminooxepan-4-yl)acetic acid (CAS 1482270-42-7)
- Semaglutide impurity 236 (CAS CATO-C4X-2226236)
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