1193-24-4 4,6-Dihydroxypyrimidine Intermediates of organic synthesis of sulfamethoxine

English Name: 4,6-Dihydroxypyrimidine, DHP

CAS NO: 1193-24-4

Formula: C4H4N2O2

Molecular Weight: 112.09

Structural formula:

Physical Properties of 4,6-Dihydroxypyrimidine/DHP 1193-24-4 :

White or wheat powder, soluble in hot water, ammonia water and other alkali solution, insoluble in inositol and ether, melting point: >300°C.

Use 1
Used in the production of drugs such as sulfamethoxine
Use 2
It is used as an intermediate in organic synthesis and is used in the pharmaceutical industry to produce the sulfonamides sulfametosine. 4, 6-dihydroxypyrimidine is also an intermediate in vitamin B4, antitumor agents, and adjuvant drugs.

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

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