1-Benzyl-4-(pyridin-2-ylsulfanyl)phthalazine CAS 338404-18-5
| CAS No. | 338404-18-5 |
| Molecular Formula | C20H15N3S |
| Molecular Weight | 329.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including 1-Benzyl-4-(pyridin-2-ylsulfanyl)phthalazine.
1-Benzyl-4-(pyridin-2-ylsulfanyl)phthalazine (CAS 338404-18-5) is a high-purity analytical reference standard with the molecular formula C20H15N3S and a molecular weight of 329.42 g/mol.
Owing to a nitrogen-containing heterocyclic scaffold, a nitrile group, sulfur-containing functionality, 1-Benzyl-4-(pyridin-2-ylsulfanyl)phthalazine is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 329.42 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-(pyridin-2-ylsulfanyl)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 | C20H15N3S |
| Molecular Weight | 329.42 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 | 3 |
| Sulfur Atoms | 1 |
Related Benzyl Standards
- 2-(Pyridin-2-yl)-3-(m-tolyl)quinazoline-4(3H)-thione (CAS 61351-65-3)
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- 2-(Pyridin-2-yl)-3-(p-tolyl)quinazoline-4(3H)-thione (CAS 61351-66-4)
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- 2-(Pyridin-4-yl)-3-(p-tolyl)quinazoline-4(3H)-thione (CAS 61351-70-0)
- Ethyl 2-((3-(pyridin-2-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)propanoate (CAS 868968-20-1)
- Methyl 2-((3-(pyridin-3-yl)-[1,2,4]triazolo[4,3-b]pyridazin-6-yl)thio)butanoate (CAS 868969-32-8)
Recommended Standards
- 1-(5-Oxo-1-(p-tolyl)pyrrolidin-3-yl)-3-(thiophen-2-ylmethyl)urea (CAS 891090-74-7)
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- 1-(2-Amino-3,5-dibromophenyl)-2-chloroethan-1-ol (CAS 866154-68-9)
- 2-((5-Acetamido-1,3,4-thiadiazol-2-yl)thio)-N-(4-methylthiazol-2-yl)acetamide (CAS 893156-74-6)
- N-(cyanomethyl)tetrahydrofuran-2-carboxamide (CAS 600159-49-7)
- 2-(pyrimidin-2-yl)propan-2-ol (CAS 1351763-57-9)
- (3-(Trifluoromethyl)tetrahydro-1H-pyrrolizin-7a(5H)-yl)methanol (CAS 2411421-32-2)
- 5-Bromo-2-iodo-4-(trifluoromethyl)aniline (CAS 1373233-07-8)
- (S)-2-(4-Bromophenyl)-2-((tert-butoxycarbonyl)(methyl)amino)acetic acid (CAS 1821791-91-6)
- Suc-Val-Pro-Phe-pNA (CAS 95192-11-3)
- 2-(6,7-Dihydro-5H-pyrrolo[1,2-c]imidazol-7-yl)-9H-carbazole (CAS 186421-95-4)
- 1-[2-(Methylsulfanyl)thieno[3,2-d]pyrimidin-4-yl]pyrrolidine (CAS 343374-13-0)
- 1-(6-Bromopyridin-3-yl)-2,2-difluoroethanone (CAS 2228555-58-4)
- Allo-Thr5-Tirzepatide (CAS CATO-CPTD788934)
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