(2-Pyridyldithio)-PEG4-propargyl CAS 2170240-99-8
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 2170240-99-8 |
| Molecular Formula | C16H23NO4S2 |
| Molecular Weight | 357.49 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(2-Pyridyldithio)-PEG4-propargyl (CAS 2170240-99-8) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C16H23NO4S2. Molecular weight: 357.49 g/mol. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C16H23NO4S2 |
| Molecular Weight | 357.49 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
Related Pyridyldithio Standards
- (2-Pyridyldithio)-PEG2-Boc (CAS 2144777-73-9)
- (2-pyridyldithio)-PEG4 acid (CAS 581065-93-2)
- (2-Pyridyldithio)-PEG4-alcohol (CAS 851961-99-4)
- 3-(2-Pyridyldithio)-propionic acid-OSu (CAS 68181-17-9)
- 1,4-Bis[3-(2-pyridyldithio)propionamido]butane (CAS 141647-62-3)
- 3-(2-Pyridyldithio)propanoic Acid (CAS 68617-64-1)
- (2-pyridyldithio)-PEG1-hydrazine (CAS 111625-28-6)
- 2-(Pyridyldithio)ethylamine (hydrochloride) (CAS 106139-15-5)
Recommended Standards
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- 2-Phenyl-N-(2-(thiophen-3-yl)benzyl)ethane-1-sulfonamide (CAS 1797323-00-2)
- 2-(Phenethylthio)-5-(3-(piperidin-1-ylsulfonyl)phenyl)-1,3,4-oxadiazole (CAS 873814-02-9)
- Methyl (2S,4S)-4-([1,1'-biphenyl]-4-yloxy)-2-pyrrolidinecarboxylate (CAS 774223-27-7)
- Lefamulinum Impurity 43 (CAS CATO-C4X-304743)
- Poly[9,9-bis[3-(dimethylamino)propyl]-9′,9′-dioctyl[2,2′-bi-9H-fluorene]-7,7′-diyl], compd. with bromoethane (CAS 673474-77-6)
- 4-Amino-1,1,1-trifluoropent-3-en-2-one (CAS 72885-02-0)
- Ethyl 2-bromo-5-chloronicotinate (CAS 1214337-49-1)
- Acetyl Tetrapeptide-5 (CAS 820959-17-9)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com