2-(3-(4-Methoxyphenyl)-6-oxopyridazin-1(6H)-yl)-N-(2-(methylthio)phenyl)propanamide CAS 1203293-77-9
| CAS No. | 1203293-77-9 |
| Molecular Formula | C21H21N3O3S |
| Molecular Weight | 395.47 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), 2-(3-(4-Methoxyphenyl)-6-oxopyridazin-1(6H)-yl)-N-(2-(methylthio)phenyl)propanamide 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.
2-(3-(4-Methoxyphenyl)-6-oxopyridazin-1(6H)-yl)-N-(2-(methylthio)phenyl)propanamide (CAS 1203293-77-9), molecular formula C21H21N3O3S and molecular weight 395.47 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-(3-(4-Methoxyphenyl)-6-oxopyridazin-1(6H)-yl)-N-(2-(methylthio)phenyl)propanamide (C21H21N3O3S) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 395.47 g/mol, it falls into the moderately-high-molecular-weight range. The presence of an aromatic ring or conjugated system gives the compound characteristic absorption bands in the UV-Vis region, making it well suited to UV or diode-array detection (DAD).
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 | C21H21N3O3S |
| Molecular Weight | 395.47 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.) | 1990 |
| Nitrogen Atoms | 3 |
| Sulfur Atoms | 1 |
Related Methoxyphenyl Standards
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- 4-(4-Methoxyphenyl)-2-phenyl-6-(phenylsulfanyl)-5-pyrimidinecarbonitrile (CAS 338395-36-1)
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- 4,5-Bis(4-methoxyphenyl)-2-(4-methylpiperazin-1-yl)thiazole (CAS 130717-29-2)
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- 3-(3-(3-Methoxyphenyl)-3-propylpyrrolidin-1-yl)-1-phenylpropyl acetate (CAS 69551-98-0)
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Recommended Standards
- 3-(Ethylsulfonyl)-N-(2-phenyl-2,4,5,6-tetrahydrocyclopenta[c]pyrazol-3-yl)benzamide (CAS 1170524-37-4)
- (4-Phenyltetrahydro-2H-pyran-4-yl)(3-(3-(thiophen-2-yl)-1,2,4-oxadiazol-5-yl)azetidin-1-yl)methanone (CAS 1325687-02-2)
- Boc-Histidinol(Tos) (CAS 1169760-85-3)
- rac Ambrisentan-d3 Methyl Ester (CAS 1329837-75-3)
- 2-(2,5-dioxoimidazolidin-4-yl)ethane-1-sulfonamide (CAS 34040-44-3)
- N-Methyl-3-(5-oxo-2,5-dihydro-1H-imidazol-4-yl)propanamide (CAS 952735-56-7)
- (2S,3R)-n-boc-6-oxo-2,3-diphenylmorpholine (CAS 173397-90-5)
- 3-((2-Nitro-4-(trifluoromethyl)phenoxy)methyl)piperidine hydrochloride (CAS 1220037-17-1)
- {5-[(2-chlorophenyl)sulfanyl]-1-methyl-3-phenyl-1H-pyrazol-4-yl}methyl acetate (CAS 318289-52-0)
- n-((Furan-2-ylmethyl)carbamoyl)-4-methylbenzenesulfonamide (CAS 100796-22-3)
- (R)-1-(3,4-difluorophenyl)propan-1-amine (CAS 847448-32-2)
- 2-(1-(Methylsulfonyl)piperidin-4-yl)benzo[d]oxazole (CAS 605627-81-4)
- (R)-4-[(S)-3-Boc-2,2-dimethyl-4-oxazolidinyl]-2-(Boc-amino)-1-butanol (CAS 1638539-65-7)
- Semaglutide Impurity 13 (CAS CATO-C4X-222613)
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