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Specifications
| Appearance | White crystalline powder |
| Purity (HPLC) | 99% min |
| Melting point | 196.0 - 205.0 ℃ |
| Clarity | Clear and Transparent (1g in 10ml acetonitrile) |
| Loss on drying | 0.5% max |
Transport Information
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H.S. Code |
2928000090309 |
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Stability & Reactivity |
The product is chemically stable under standard ambient conditions. |
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Storage |
Keep container tightly closed in a dry and well-ventilated place. Recommended storage temperature: 2-8℃ |
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Condition to Avoid |
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Package |
25kg/drum |
Manufacturing Information
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Capacity |
50MT/month |
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Experience |
Production since 2010 |
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Stock |
Applications
TSTU (N,N,N′,N′-Tetramethyl-O-(N-succinimidyl)uronium tetrafluoroborate, CAS 105832-38-0) is a highly efficient coupling reagent widely used in peptide synthesis and organic chemistry. Its primary applications include activating carboxylic acids for amide bond formation, facilitating the synthesis of peptides, proteins, and other amide-containing compounds. TSTU is particularly valued in solid-phase peptide synthesis (SPPS) and solution-phase coupling reactions, where it enables rapid and high-yielding formation of peptide bonds with minimal racemization. Additionally, it is used in the preparation of pharmaceutical intermediates and other bioactive molecules requiring precise amide linkage formation.
Benefits
The benefits of TSTU stem from its high reactivity, stability, and efficiency. It provides fast and clean activation of carboxyl groups, improving coupling efficiency and reducing by-product formation. Compared to traditional carbodiimide reagents, TSTU minimizes racemization and allows milder reaction conditions, protecting sensitive functional groups. Its solubility in common organic solvents and compatibility with a wide range of amino acids and nucleophiles make it a versatile and reliable reagent for both laboratory-scale and industrial peptide synthesis.
Conclusion
In conclusion, TSTU is a powerful and versatile coupling reagent essential for peptide synthesis and amide bond formation. Its high reactivity, low racemization risk, and compatibility with diverse substrates make it indispensable in pharmaceutical, biochemical, and organic synthesis. By enabling efficient and high-fidelity peptide and amide formation, TSTU plays a critical role in modern chemical and medicinal research.
