5-(5-Methylthiophen-2-yl)-N'-(1-(pyridin-4-yl)ethylidene)-1H-pyrazole-3-carbohydrazide CAS 302917-80-2
| CAS No. | 302917-80-2 |
| Molecular Formula | C16H15N5OS |
| Molecular Weight | 325.39 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 5-(5-Methylthiophen-2-yl)-N'-(1-(pyridin-4-yl)ethylidene)-1H-pyrazole-3-carbohydrazide is closely related to a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
5-(5-Methylthiophen-2-yl)-N'-(1-(pyridin-4-yl)ethylidene)-1H-pyrazole-3-carbohydrazide (CAS 302917-80-2), molecular formula C16H15N5OS and molecular weight 325.39 g/mol, is a CATO reference standard with documented purity and traceability.
5-(5-Methylthiophen-2-yl)-N'-(1-(pyridin-4-yl)ethylidene)-1H-pyrazole-3-carbohydrazide (C16H15N5OS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. Its physicochemical properties are representative of its class; these physicochemical properties determine the optimal preparation and storage of its standard solutions. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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 5-(5-Methylthiophen-2-yl)-N'-(1-(pyridin-4-yl)ethylidene)-1H-pyrazole-3-carbohydrazide 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 | C16H15N5OS |
| Molecular Weight | 325.39 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 5 |
| Sulfur Atoms | 1 |
Related Methylthiophen Standards
- 3-(5-Methylthiophen-2-yl)-N'-(1-phenylethylidene)-1H-pyrazole-5-carbohydrazide (CAS 303107-74-6)
- 2-(3-Methylthiophen-2-yl)-1,3-diphenylimidazolidine (CAS 301318-46-7)
- 2-(5-Methylthiophen-2-yl)-3-phenyl-2,3-dihydroquinazolin-4(1H)-one (CAS 1429192-00-6)
- 2-{[4-(5-methylthiophen-2-yl)-6-(trifluoromethyl)pyrimidin-2-yl]sulfanyl}acetic acid (CAS 862679-50-3)
- 2-(3-Methylthiophen-2-yl)-3-(o-tolyl)-2,3-dihydroquinazolin-4(1H)-one (CAS 440111-61-5)
- (E)-2-(2-((3-methylthiophen-2-yl)methylene)hydrazinyl)-3-(trifluoromethyl)quinoxaline (CAS 338962-30-4)
- 4-(((3-Methylthiophen-2-yl)methylene)amino)-3-(m-tolyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478255-58-2)
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Recommended Standards
- 2-((4,5-Diphenyl-4H-1,2,4-triazol-3-yl)thio)acetohydrazide (CAS 49656-91-9)
- Ethyl 2-((5,7-bis(ethylimino)-1,5,6,7-tetrahydro-[1,2,4]triazolo[4,3-a][1,3,5]triazin-3-yl)thio)acetate (CAS 397266-64-7)
- (E)-N'-((2,5-dimethyl-1-(pyrazin-2-yl)-1H-pyrrol-3-yl)methylene)thiophene-3-carbohydrazide (CAS 866009-59-8)
- N-((1-(4-Ethoxyphenyl)-1H-tetrazol-5-yl)methyl)propane-1-sulfonamide (CAS 921083-15-0)
- 2-Methylimidazo[1,2-a]pyridine-3-carbonyl chloride hydrochloride (CAS 35726-81-9)
- N-Desmethyl Rosuvastatin calcium salt (CAS 2253796-97-1)
- Methyl 5-iodobenzo[b]thiophene-2-carboxylate (CAS 146137-90-8)
- 1-(6-Methoxypyridin-2-yl)ethan-1-amine hydrochloride (CAS 1643978-65-7)
- 3-Chloro-5-nitropyridine-2-thiol (CAS 64007-60-9)
- 2,6-Di-9H-carbazol-9-yl-9,10-anthracenedione (CAS 909712-63-6)
- Methyl 2-fluoro-4'-(piperidine-1-carbonyl)-[1,1'-biphenyl]-3-carboxylate (CAS 1381944-63-3)
- 5-Fluoro-4-methyl-1H-indazole (CAS 105391-69-3)
- 2-(3-amino-1H-1,2,4-triazol-1-yl)-N-benzylacetamide (CAS 1179649-46-7)
- Peptide Impurity 40 (CAS CATO-CPTD788840)
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