CAS 253-82-7 Quinazoline 1,3-BENZODIAZINE PHENMIAZINE QUINAZOLINE

Use 1
As a common thick heterocyclic skeleton, quinazoline is an important structural unit in many pharmaceutical and agricultural products. Among them, quinazoline derivatives whose C4 position is replaced by free amino group are a typical quinazoline skeleton and have a wide range of physiological activities, such as gefitinib can be used to treat lung cancer, prazosin can be used to treat hypertension, anxiety and panic disorders, and lapatinib can be used to treat breast cancer and solid tumors..

For powders: normal is 25kgs/Drum or bag, or larger/smaller package as request.

For liquids: normal 25kgs/drum, 180-300kgs/bucket, or IBC, determined by the nature of the product. 

                     Or smaller package 1kg/bottle, 10kgs/bottle as request. 

Q1. Could you please provide some samples?

A1: Yes, Free samples for the quality evaluation for most products, but customers only need to undertake the shipping fee for delivery the samples to your destionation.

Q2. What about the lead time?

A2: Sample needs 3-5 days;    mass production time needs 1-2 weeks.

Q3. Do you have any MOQ limit for order?

A3: Low MOQ, 10-100g for sample checking is available.

Q4. How do you ship the goods and how long does it take to arrive?

A4: We usually ship by DHL, UPS, FedEx or TNT.     It usually takes 3-5 days to arrive.     Airline and sea shipping also optional.

Q5. How to proceed an order for your products?

A5: Firstly, let us know your requirements or application.

Secondly, we quote according to your requirements or our suggestions.

Thirdly customer confirms the samples and places deposit for normal order.

Fourthly We arrange the production.

Q6. Are you trading company or manufacturer?

A6: We are chemical factory in China.     So, we can provide wholesale price.

Q7: What are your payment terms?

A7: We can accept various payment methods, T/T, PayPal, etc.

Hebei Longbang Technology Co., LTD

located in Shijiazhuang City, the capital of Hebei Province and the Beijing-Tianjin-Hebei New Zealand Hub, with convenient transportation. Our company is a modern high-tech chemical enterprise integrating R&D, production and sales.

Our company has strong technical force, advanced equipment, strict quality management system and high-quality after-sales service, adheres to the business philosophy of "customer first, keen and enterprising", and adheres to honesty as the foundation of the company's survival. All for the satisfaction of customers, all for the long-term healthy development of the enterprise. In the past 10 years, we have been strictly managing the entire trading process, focusing on every detail, providing customers with a full range of services such as product procurement, research and development, quality control, logistics management, etc., and becoming a trustworthy partner and partner for customers. Nowadays, we have formed a product chain with many variety, large scale, complete products, refinement, high added value and high technical content. There are many series of medical products, food-grade additives, industrial grade, fertilizer grade, mineral products, etc.

As a way to take advantage of the ever-expanding information resources in international trade, we welcome potential customers from anywhere online and off-line. Although we provide high-quality products, our qualified after-sales service team provides an effective and satisfying enquiry service. Item Inventory and Detail Detail Records as well as any other information will be sent to you in a timely manner to check the information.