1-Benzyl-4-[(4-methoxyphenyl)sulfanyl]phthalazine CAS 338978-21-5
| CAS No. | 338978-21-5 |
| Molecular Formula | C22H18N2OS |
| Molecular Weight | 358.46 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 1-Benzyl-4-[(4-methoxyphenyl)sulfanyl]phthalazine is closely related to a steroid core, 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.
1-Benzyl-4-[(4-methoxyphenyl)sulfanyl]phthalazine (CAS 338978-21-5), molecular formula C22H18N2OS and molecular weight 358.46 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to a steroid core, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, 1-Benzyl-4-[(4-methoxyphenyl)sulfanyl]phthalazine is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 358.46 g/mol — guide the selection of appropriate sample preparation and analytical techniques. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), 1-Benzyl-4-[(4-methoxyphenyl)sulfanyl]phthalazine 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 | C22H18N2OS |
| Molecular Weight | 358.46 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) | 15.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- 1-(3-(1H-imidazol-1-yl)propyl)-4,5-dimethyl-3-(phenylsulfonyl)-1H-pyrrol-2-amine (CAS 860648-60-8)
- 2-((3-Methylbenzyl)thio)-3-phenylquinazolin-4(3H)-one (CAS 329779-64-8)
- 1-((2R,3R,4R,5R)-3-((tert-Butyldimethylsilyl)oxy)-4-hydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)pyrimidine-2,4(1H,3H)-dione (CAS 54925-71-2)
- 2-(2-(3-Cyclohexylureido)thiazol-4-yl)-N-phenylacetamide (CAS 921487-92-5)
- N-(((4,6-Dimethylpyrimidin-2-yl)thio)methyl)thiophene-2-carboxamide (CAS 637321-96-1)
- (4-(Tert-butyl)cyclohexyl)methanol (CAS 20691-53-6)
- Naphthalen-1-yl 2-[N-(2,4-difluorophenyl)benzenesulfonamido]acetate (CAS 343373-98-8)
- 2,6-Dichloro-4-((4-hydroxyphenyl)amino)phenol (CAS 2099-87-8)
- Empagliflozin Impurity 40 (CAS CATO-C4X-106540)
- N-(2-aminoethyl)-5-methyl-1H-pyrazole-3-carboxamide (CAS 81253-70-5)
- (2-Chloro-5-nitrophenyl)methanamine hydrochloride (CAS 1135021-79-2)
- 1-(1H-Benzo[d]imidazol-2-yl)piperidin-3-amine (CAS 933734-78-2)
- 5-Cyclohexyl-1,3,4-thiadiazol-2-amine (CAS 56882-77-0)
- Semaglutide impurity 30 (CAS CATO-C4X-222630)
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