1-phenyl-5-(pyridin-3-yl)-1H-pyrazole-3-carboxylic acid hydrochloride CAS 1172372-17-6
| CAS No. | 1172372-17-6 |
| Molecular Formula | C15H11N3O2 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
1-phenyl-5-(pyridin-3-yl)-1H-pyrazole-3-carboxylic acid hydrochloride (CAS 1172372-17-6) is a high-purity analytical reference standard with the molecular formula C15H11N3O2HCl and a molecular weight of 301.73 g/mol.
Structurally, 1-phenyl-5-(pyridin-3-yl)-1H-pyrazole-3-carboxylic acid hydrochloride (C15H11N3O2HCl) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 11.0, corresponding to approximately 11 ring(s) or double-bond equivalent(s). With a molecular weight of 301.73 g/mol, it falls into the moderately-high-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
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.
CATO manufactures 1-phenyl-5-(pyridin-3-yl)-1H-pyrazole-3-carboxylic acid hydrochloride 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 | C15H11N3O2 HCl |
| Molecular Weight | 301.73 g/mol |
| Appearance | Pale yellow to yellow crystalline powder. (slight halide-like odor) |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 11.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1989 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 3 |
Related phenyl Standards
- 3-[(E)-2-(Pyridin-3-yl)ethenyl]-1,2-dihydroquinoxalin-2-one (CAS 1000169-10-7)
- 2-(pyridin-2-ylsulfanyl)acetic acid (CAS 10002-29-6)
- 4-(Pyridin-3-yloxy)benzenesulfonic acid (CAS 1000340-09-9)
- 2-(2-Oxo-2-(pyridin-4-yl)ethylidene)thiazolidin-4-one (CAS 1000932-15-9)
- 2-[2-oxo-2-(pyridin-3-yl)ethylidene]-1,3-thiazolidin-4-one (CAS 1000932-62-6)
- N-(pyridin-3-ylmethyl)sulfamide (CAS 1000933-31-2)
- Ethyl 1-(2-pyridin-2-ylethyl)piperidine-4-carboxylate (CAS 1000941-29-6)
- 1-Methyl-4-(pyridin-2-ylmethyl)piperazine (CAS 100158-57-4)
Recommended Standards
- Perchlorocoronene (CAS 94227-23-3)
- 3-benzoyl-4-methoxyaniline hydrochloride (CAS 2750-22-3)
- Tetrahydro-3a,6a-dimethylcyclobuta[1,2-c:3,4-c']difuran-1,3,4,6-tetrone (CAS 137820-87-2)
- 5-(Carbamimidoylcarbamoyl)-1H-pyrrole-2-carboxylic acid (CAS 229183-35-1)
- Methyl 3-bromo-4-sulfamoylbenzoate (CAS 89978-60-9)
- (S)-6-fluoro-1,9-dimethyl-2,3,4,5-tetrahydro-1H-pyrido[4,3-b]indole (CAS 2408686-85-9)
- (3-amino-1H-pyrazol-5-yl)methanol (CAS 1000895-26-0)
- 3,4-Dichloro-1-methyl-2,5-dihydro-1h-pyrrole-2,5-dione (CAS 1123-61-1)
- Fructose-1,6-diphosphate sodium salt (CAS 23558-08-9)
- Tau Peptide (277-291) trifluoroacetate salt (CAS 330456-40-1)
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