Maximum quantity allowed is 999
CAS RN: 756526-03-1 | Product Number: B3728
Bis(NHS)PEG5
Purity:
- Di(N-succinimidyl) 4,7,10,13,16-Pentaoxanonadecanedioate
- 4,7,10,13,16-Pentaoxanonadecanedioic Acid Di(N-succinimidyl) Ester
| Size | Unit Price | Shanghai | Tianjin | Japan* |
|---|---|---|---|---|
| 25MG |
¥190.00
|
Contact Us | Contact Us | Contact Us |
| 100MG |
¥645.00
|
2 | Contact Us | 17 |
| 500MG |
¥1,305.00
|
1 | Contact Us | ≥40 |
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| Product Number | B3728 |
| Molecular Formula / Molecular Weight | C__2__2H__3__2N__2O__1__3 = 532.50 |
| Physical State (20 deg.C) | Liquid |
| Storage Temperature | Frozen (<0°C) |
| Store Under Inert Gas | Store under inert gas |
| Condition to Avoid | Moisture Sensitive,Heat Sensitive |
| CAS RN | 756526-03-1 |
| PubChem Substance ID | 172089011 |
| Appearance | Colorless to Yellow clear liquid to cloudy liquid |
| Elemental analysis(Nitrogen) | 4.70 to 5.80 % |
| Flash point | 336 °C |
| Customs Control Conditions (Q) |
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Used Chemicals
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Procedure
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To a solution of triethylamine (4.7 mL, 34.2 mmol) and benzylamine (620 µL, 5.6 mmol) in acetonitrile (39 mL) was added bis(NHS)PEG5 (1.0 g, 1.9 mmol) dissolved in acetonitrile (39 mL) at room temperature and stirred for 17 hours. The reaction mixture was washed with brine (30 mL), and the organic layer was dried over anhydrous sodium sulfate and concentrated under reduced pressure. The crude product was purified by silica gel chromatography (dichloromethane:methanol = 8:1) to afford bis(Bn)PEG5 (638 mg, 66% yield) as a colorless clear oil.
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Experimenter’s Comments
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The reaction solution was monitored by UPLC.
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Analytical Data
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Bis(Bn)PEG5
1H NMR (400 MHz, CDCl3); δ 8.37 (t, J = 6.0 Hz, 2H), 7.33-7.21 (m, 10H), 4.27 (d, J = 6.0 Hz, 2H), 3.63 (t, J = 6.4 Hz, 2H), 3.49 (s, 16H), 3.35 (s, 2H), 2.38 (t, J = 6.4 Hz, 4H).
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/Other Reference
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- Immunoactivity of Protein Conjugates of Carba Analogues from Neisseria meningitidis A Capsular Polysaccharide
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