Description of TSTU from Watson Biotechnology Co., Ltd
Basic Information of TSTU |
Product Name | TSTU |
CAS NO. | 105832-38-0 |
Apperance | White powder |
Assay | 99% |
Pacakge | 1kg/Foil Bag,25kg/Drum/Box |
MOQ | 1kg |
Storage | Cool and dry place |
Shelf Life | 2 Years |
Brand | Watson |
Specifications(COA) of TSTU CAS 105832-38-0 use for Efficient Reagent
ITEMS | SPECIFICATIONS | RESULTS |
Appearance | White crystalline powder | Complies |
Purity (HPLC) | ≥99.0% | 99.9% |
Melting point | 196.0-205.0°C | 196.4- 198.0°C |
Clarity of the solution | 1g in 10ml acetonitrile,clear | Complies |
LOSS on drying | ≤0.5% | 0.21% |
Conclusion | 
QUALIFIED.
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TSTU (N,N,N′,N′-Tetramethyl-O-(N-succinimidyl)uronium tetrafluoroborate) is a commonly used reagent in organic chemistry, particularly in peptide synthesis. Here are some key applications of TSTU:
### 1. **Peptide Bond Formation**
- **Amide Bond Formation:** TSTU is widely used in peptide synthesis to facilitate the coupling of carboxylic acids with amines, leading to the formation of amide bonds (peptide bonds). It is particularly effective in solid-phase peptide synthesis (SPPS).
### 2. **Activation of Carboxylic Acids**
- **Carbodiimide Alternative:** TSTU can be used as an alternative to carbodiimide-based coupling reagents (like EDC or DCC). It activates carboxylic acids to form reactive esters (O-succinimidyl esters), which can then react with nucleophiles such as amines.
### 3. **Mild Reaction Conditions**
- **Non-Acidic Activation:** TSTU allows for the activation of carboxylic acids under mild conditions, reducing the risk of side reactions or degradation of sensitive substrates.
### 4. **Selective Activation**
- **Chemoselectivity:** TSTU is known for its ability to selectively activate carboxylic acids without affecting other functional groups, making it useful in complex molecule synthesis.
### 5. **Coupling Reagent in Organic Synthesis**
- **General Organic Synthesis:** Beyond peptide synthesis, TSTU is used in general organic synthesis to facilitate the formation of esters, amides, and other carbonyl-containing compounds.
Overall, TSTU is a versatile and efficient reagent, particularly valued for its role in peptide chemistry.
FAQ From Watson Biotechnology Co., Ltd |
Q | Can I get a sample for free ? |
A | For small QTY and low value product, we can provide sample for free exclude shipping cost. For high value sample, we will charge the basic sample cost, but we can refund all the cost if customers place order after sample test. |
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Q | How to confirm the product quality before placing orders ? |
A | Most of our products confirm to international standards like USP/EP/BP/JP/CP. We will provide COA/TDS/MSDS for customers to confirm the specification before placing order. |
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Q | What is the payment you accept? |
A | For small and low value order, we accept CreditCard, MaterCard,VISA,Western Union and T/T.For large order, we can do T/T and L/C. Any pay on delivery or pay-after are not available for us. |
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Q | What is your shipment way ? |
A | For less than 100kg gross weight order will ship with courier like FedEx or UPS, we support customers to place courier orders remotely by their account, we will package the goods well and wait for pick up.For more than 100kg goods, we will transport by Air or Sea according to customers' requirement. |
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Q | How long is your after-sales service? |
A | We accept customer’s quality complaint in three month after customer received the goods. We provide tech.support for all-life if customer place order from our company. |
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Q | How do you treat quality complaint ? |
A | We support customer to provide our products to any rightful third party testing organization to test our products according to the COA specification, if the test result is confirm with COA, we will take all the loss for customers. |
Founded in 2006 and headquartered in Wuhan, Hubei, China, Watson Biotechnology Co., Ltd is a leading manufacturing powerhouse specializing in the production of Active Pharmaceutical Ingredients (APIs) and Intermediates, Food and Feed Additives, Agricultural and Aquaculture chemicals, and Fine Chemicals. As a dedicated factory, our operations are driven by a commitment to excellence and innovation, ensuring that our products meet the highest standards of quality and compliance.
With a robust team of over 100 skilled professionals, Watson Biotechnology has established itself as a trusted name in the industry. Our products are meticulously crafted to align with international standards such as USP (United States Pharmacopeia), EP (European Pharmacopoeia), and BP (British Pharmacopoeia), guaranteeing reliability and efficacy.
At Watson Biotechnology, we pride ourselves on our cutting-edge facilities and state-of-the-art technology, which enable us to deliver superior products that cater to a diverse range of needs across various sectors. Our dedication to continuous improvement and customer satisfaction drives us to maintain stringent quality control processes and foster an environment of innovation and growth.
Watson Biotechnology Co., Ltd is a professional manufacturer which provide TSTU with good quality and best price, welcome to contact us to get COA/TDS/MSDS of TSTU.
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