L-β-Ethynylserine
Based on 1 Customer Validation
L-β-ethynylserine (βES) is a threonine analog. L-β-ethynylserine is efficiently incorporated into newly synthesized proteins, and allows their selective visualization or enrichment through bioorthogonal ligation to fluorescent dyes or affinity tags, respectively.
For research use only. We do not sell to patients.
- Purity: 99.98%
- CAS No.: 65207-64-9
- Formula: C5H7NO3
- Molecular Weight:129.11
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Storage:Powder -20°C, 3 years ; In solvent -80°C, 6 months , -20°C, 1 month
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Biological Activity
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Chemical Information
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Solvent & Solubility
- Purity & Documentation
- References
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Help & FAQs
Biological Activity
L-β-ethynylserine (1-4 mM, 1h) is efficiently incorporated into the nascent prototrophic E. coli cultured in complete medium[1].
L-β-ethynylserine (0.004-4 mM, 0-60 min) allows for fast visualization of mammalian newly synthesized proteins (NSPs) in Hela cells via its incorporation in complete medium[1].
L-β-ethynylserine (1-4 mM, 24 h) exhibits low cytotoxicity in Hela cells and does not inhibit the growth of E. coli[1].
MedChemExpress (MCE) has not independently confirmed the accuracy of these methods. They are for reference only.
Chemical Information
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CAS No. 65207-64-9
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Appearance Solid
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Molecular Weight 129.11
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Formula C5H7NO3
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Color Off-white to light yellow
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SMILES
C#C[C@@H](O)[C@H](N)C(O)=O
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Shipping
Room temperature in continental US; may vary elsewhere.
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Storage
Powder -20°C 3 years In solvent -80°C 6 months -20°C 1 month
Solvent & Solubility
H2O : 35 mg/mL (271.09 mM; Need ultrasonic)
DMSO : 2 mg/mL (15.49 mM; ultrasonic and warming and heat to 60°C; Hygroscopic DMSO has a significant impact on the solubility of product, please use newly opened DMSO)
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
Concentration (start) × Volume (start) = Concentration (final) × Volume (final)
Purity & Documentation
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Data Sheet (273 KB)
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SDS (252 KB)
- English - EN (252 KB)
- Français - FR (252 KB)
- Deutsch - DE (252 KB)
- Norwegian - NO (252 KB)
- Español - ES (252 KB)
- Swedish - SV (252 KB)
- Italian - IT (252 KB)
- Korean - KR (252 KB)
- Portuguese - PT (252 KB)
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Handling Instructions (2659 KB)
References
Complete Stock Solution Preparation Table
Please refer to the solubility information to select the appropriate solvent. Once prepared, please aliquot and store the solution to prevent product inactivation from repeated freeze-thaw cycles.
Storage method and period of stock solution: -80°C, 6 months; -20°C, 1 month. When stored at -80°C, please use it within 6 months. When stored at -20°C, please use it within 1 month.
| Optional Solvent | Concentration Solvent Mass | 1 mg | 5 mg | 10 mg | 25 mg |
|---|---|---|---|---|---|
| DMSO / H2O | 1 mM | 7.7453 mL | 38.7267 mL | 77.4533 mL | 193.6333 mL |
| 5 mM | 1.5491 mL | 7.7453 mL | 15.4907 mL | 38.7267 mL | |
| 10 mM | 0.7745 mL | 3.8727 mL | 7.7453 mL | 19.3633 mL | |
| 15 mM | 0.5164 mL | 2.5818 mL | 5.1636 mL | 12.9089 mL | |
| H2O | 20 mM | 0.3873 mL | 1.9363 mL | 3.8727 mL | 9.6817 mL |
| 25 mM | 0.3098 mL | 1.5491 mL | 3.0981 mL | 7.7453 mL | |
| 30 mM | 0.2582 mL | 1.2909 mL | 2.5818 mL | 6.4544 mL | |
| 40 mM | 0.1936 mL | 0.9682 mL | 1.9363 mL | 4.8408 mL | |
| 50 mM | 0.1549 mL | 0.7745 mL | 1.5491 mL | 3.8727 mL | |
| 60 mM | 0.1291 mL | 0.6454 mL | 1.2909 mL | 3.2272 mL | |
| 80 mM | 0.0968 mL | 0.4841 mL | 0.9682 mL | 2.4204 mL | |
| 100 mM | 0.0775 mL | 0.3873 mL | 0.7745 mL | 1.9363 mL |
* Note: If you choose water as the stock solution, please dilute it to the working solution, then filter and sterilize it with a 0.22 μm filter before use.
L-β-Ethynylserine Related Classifications
HY-164745 Related Classifications
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