3-(5-Methylthiophen-2-yl)-N'-(1-phenylethylidene)-1H-pyrazole-5-carbohydrazide CAS 303107-74-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 303107-74-6 |
| Molecular Formula | C17H16N4OS |
| Molecular Weight | 324.40 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(5-Methylthiophen-2-yl)-N'-(1-phenylethylidene)-1H-pyrazole-5-carbohydrazide (CAS 303107-74-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C17H16N4OS. Molecular weight: 324.40 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C17H16N4OS |
| Molecular Weight | 324.40 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 | 4 |
| Sulfur Atoms | 1 |
Related Methylthiophen Standards
- 5-(5-Methylthiophen-2-yl)-N'-(1-(pyridin-4-yl)ethylidene)-1H-pyrazole-3-carbohydrazide (CAS 302917-80-2)
- 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)
- 4-(((3-Methylthiophen-2-yl)methylene)amino)-3-(m-tolyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478255-58-2)
- 4-(((5-Methylthiophen-2-yl)methylene)amino)-3-(m-tolyl)-1H-1,2,4-triazole-5(4H)-thione (CAS 478256-24-5)
- 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)
Recommended Standards
- 3-(4-Methoxyphenyl)-2-(methylthio)-6-phenylpyrimidin-4(3H)-one (CAS 80306-58-7)
- 3-[(4,5-Diphenyl-1H-imidazol-2-yl)thio]-propanoic acid (CAS 50677-48-0)
- 3-(3-Methoxyphenyl)-2-(methylthio)-6-phenylpyrimidin-4(3H)-one (CAS 89069-50-1)
- 3,5-Dimethyl-4-pentylisoxazole (CAS 93548-08-4)
- 3-(3-Ethyl-1,2,4-oxadiazol-5-yl)pyridin-2-amine (CAS 1774902-62-3)
- tert-Butyl 3-(bromomethyl)-5-fluoro-1H-indole-1-carboxylate (CAS 1823484-74-7)
- 2-(4-Fluoro-2-methylphenyl)cyclopropane-1-carboxylic acid (CAS 1315348-50-5)
- tert-butyl 2-amino-5H,6H,7H,8H-imidazo[1,2-a]pyridine-3-carboxylate (CAS 1955530-77-4)
- 4-(Aminomethyl)-N,N-diethylbenzene-1-sulfonamide hydrochloride (CAS 878745-43-8)
- Polyphemusin II-Derived Peptide (CAS 229030-20-0)
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