—— Product Specifications ——

—— Product Detail ——

Product Overview

tert-butyl 2-hydrazinylthiazole-5-carboxylate is a specialized heterocyclic compound featuring a thiazole ring system with a hydrazinyl substituent at the 2-position and a tert-butyl ester protecting group at the 5-carboxylate position. This compound serves as a crucial intermediate in pharmaceutical synthesis, particularly in the development of bioactive thiazole-containing molecules. The tert-butyl protecting group provides stability during multi-step synthetic sequences while being removable under acidic conditions. The hydrazinyl functionality offers versatile reactivity for further derivatization through condensation reactions, nucleophilic substitutions, and cyclization transformations. This product is supplied with a guaranteed purity of 98% and is suitable for research and development applications in medicinal chemistry programs.

Synthesis Process

The synthesis of tert-butyl 2-hydrazinylthiazole-5-carboxylate typically involves a multi-step procedure starting from thiazole-5-carboxylic acid or its derivatives. The process begins with the protection of the carboxylic acid group as a tert-butyl ester using standard tert-butyl esterification conditions, such as reaction with isobutylene or di-tert-butyl dicarbonate under acidic catalysis. Subsequently, the 2-position of the thiazole ring is functionalized through direct hydrazination using hydrazine hydrate or alternative hydrazine sources under controlled conditions. Purification is achieved through column chromatography or recrystallization to obtain the final product with the specified purity.

Quality Specifications

This product meets the following quality specifications: purity minimum 98% as determined by HPLC, moisture content below 1%, residue on ignition less than 0.2%, and heavy metals below 10 ppm. The compound is characterized by 1H NMR and mass spectrometry for structural confirmation. Each batch is accompanied by a Certificate of Analysis documenting all test results and ensuring traceability.

Packaging & Storage

The product is packaged in amber glass bottles sealed with screw caps and lined with polyethylene inserts to ensure product integrity. For long-term storage, maintain at 2-8°C in a dry, well-ventilated area away from direct sunlight and heat sources. Keep container tightly closed when not in use. Handle under inert atmosphere when sensitivity to moisture or oxygen is a concern.

—— C ompany Profile ——

Jinan Topfull Chemical Co., Ltd. is an international company rooted in China, specializing in the export of chemical products.

Our company is committed to making every effort to provide ideal chemical products to potential customers worldwide, including but not limited to: organic/inorganic reagents, biological reagents, plant extracts, pharmaceutical intermediates, active pharmaceutical ingredients (APIs), reference standards, reference substances, peptides, and more. Meanwhile, we have established long-term and stable cooperative relationships with university laboratories and off-campus research institutions, enabling us to offer tailored product services based on customers' actual needs.

We currently support customized services for most product categories, with supply quantities ranging from milligram (mg), gram (g) to kilogram (kg) levels, as well as wholesale. Product purity covers the full spectrum from 90% to 99.9%, providing customers with one-stop convenient services.

To date, our products have been exported to developed countries such as the United States, Australia, Canada, Mexico, as well as EU member states including France, Germany, and many other countries and regions such as Nigeria, Ghana, Southeast Asia, and other parts of Asia. Our product quality and services have consistently received high praise.

Looking ahead, our company will continue to serve as a bridge connecting China and the world, delivering high-quality products and services to global customers.

—— Q&A ——

Q1: How to confirm the product quality before placing orders?
A: By sending you available samples. Or if you have special requirements for the goods, we can prepare samples according to your requirements for confirmation.

Q2: Can you supply free samples?
A: Yes, we can provide a free sample, but the shipping cost will be paid by the customers. You can either pay the shipping cost or arrange a courier to collect the samples.

Q3: How do you treat quality complaints?
A: All our products are strictly tested by our QC and confirmed by QA; unqualified material will not be released to customers. If any quality problem is confirmed to be caused by us, we will replace the goods or refund your payment immediately.

Q4: What is your MOQ? Is there a discount?
A: For highvalue products, our MOQ starts from 1g and generally starts from 10g. For other lowprice products, our MOQ starts from 100g and 1kg.
Q: Is there a discount?
A: Yes, for larger quantities, we always support with better prices.

Q5: How to start orders or make payments?
A: You can send us your Purchase Order (if your company has one), or just send a simple confirmation by email or via Trade Manager. We will then send you a Proforma Invoice with our bank details for your confirmation, and you can make payment accordingly. If you have other preferred payment methods, we are open to discussion and negotiation.