1-(4-Methoxyphenyl)-4-[(4-methylphenyl)sulfanyl]-6-oxo-1,6-dihydropyridazine-3-carbohydrazide CAS 338395-92-9
| CAS No. | 338395-92-9 |
| Molecular Formula | C19H18N4O3S |
| Molecular Weight | 382.44 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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 supplies 1-(4-Methoxyphenyl)-4-[(4-methylphenyl)sulfanyl]-6-oxo-1,6-dihydropyridazine-3-carbohydrazide (CAS 338395-92-9), a certified reference material (molecular formula C19H18N4O3S, MW 382.44 g/mol) for analytical method development and quality control.
1-(4-Methoxyphenyl)-4-[(4-methylphenyl)sulfanyl]-6-oxo-1,6-dihydropyridazine-3-carbohydrazide (C19H18N4O3S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. It is notably hygroscopic, the carboxyl group imparts weak acidity; 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.
As a certified reference material (CRM), 1-(4-Methoxyphenyl)-4-[(4-methylphenyl)sulfanyl]-6-oxo-1,6-dihydropyridazine-3-carbohydrazide 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.
Physical & Chemical Properties
| Molecular Formula | C19H18N4O3S |
| Molecular Weight | 382.44 g/mol |
| 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 |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Methoxyphenyl Standards
- N-(4-Methoxyphenyl)-2-methyl-6-(p-tolyl)quinoline-3-carboxamide (CAS 1426813-86-6)
- (E)-4-(2-((4-Methoxyphenyl)sulfonamido)styryl)pyridine 1-oxide (CAS 173529-10-7)
- 1-(2-Methoxyphenyl)-4-methyl-6-phenoxy-1H,2H,3H-pyrrolo[3,2-c]quinoline (CAS 866137-71-5)
- 1-(4-Methoxyphenyl)-4-methyl-8-phenoxy-2,3-dihydro-1H-pyrrolo[3,2-c]quinoline (CAS 865658-34-0)
- Methyl 1-(4-methoxyphenyl)-4-[(4-methylphenyl)sulfanyl]-6-oxo-1,6-dihydropyridazine-3-carboxylate (CAS 338395-97-4)
- 2-{3-[4-(2-methoxyphenyl)piperazin-1-yl]propyl}-2H,3H,4H-pyrido[3,2-b][1,4]oxazin-3-one (CAS 1272756-28-1)
- 2-[(4-Methoxyphenyl)methyl]-4-(5-methyl-1,2,4-oxadiazol-3-yl)-1H,2H,3H,5H,6H,7H,8H,9H-pyrimido[1,6-a]azepine-1,3-dione (CAS 1775439-13-8)
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Recommended Standards
- LY-3130481, >98% (HPLC) (CAS 1610802-47-5)
- 2-Amino-5-(1-(2-(3-hydroxy-2-naphthoyl)hydrazono)ethyl)-4-methylthiophene-3-carboxamide (CAS 304666-68-0)
- 3-Isobutyl-1-((3-(thiophen-2-yl)-1,2,4-oxadiazol-5-yl)methyl)quinazoline-2,4(1H,3H)-dione (CAS 1105197-30-5)
- 2-Methoxy-4-(((5-thioxo-3-(m-tolyl)-1H-1,2,4-triazol-4(5H)-yl)imino)methyl)phenyl acetate (CAS 478256-22-3)
- N-(3-acetylphenyl)-2-bromobutanamide (CAS 905811-00-9)
- 1-(2-Methoxyphenyl)urea (CAS 135-92-2)
- Methyl 3-(2,5-dimethylfuran-3-yl)-3-oxopropanoate (CAS 663170-08-9)
- 5,6-Dihydro-4H-cyclopenta[b]thiophene (CAS 5650-50-0)
- 2-Chloro-5-(1-chloroethyl)pyridine (CAS 1408253-38-2)
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- Propargyl-PEG<SUB>2</SUB>-acid (CAS 1859379-85-3)
- 1-(Benzo[d][1,3]dioxol-5-yl)-N-(4-chlorobenzyl)methanamine hydrobromide (CAS 1609403-55-5)
- 1-(3,5-Dichloro-4-{[3-chloro-5-(trifluoromethyl)pyridin-2-yl]oxy}phenyl)-3-[(pyridin-2-yl)methyl]imidazolidin-2-one (CAS 1092346-45-6)
- ([D2]Gly4)-Cholecystokinin Octapeptide (sulfated) ammonium salt (CAS 1926163-74-7)
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