Product Description

Appearance Pale yellow crystalline powder

Assay,HPLC 98.5-101.5%

Solubility Soluble in water

Identification UV: the UV absorption of 0.001% solution in water exhibits a max at about 228nm

IR:IR Spectrum in potassium bromide dispersion of sample should beconcerdant with that of working standard spectrum

HPLC: Retention time of the sample should be concordant to the retention time of workting standard.

Element analysis:Carbon, Nitrogen, Hydrogen

Melting point 121ºC

Specific optical rotation +39?

Isomer 75%min

Residue on ignition 0.1% max

Heavy metals 20ppm max

Water 1.0% max

Related substances Single impurity: 0.5% max

Total impurity: 1.0% max

Certifications

Hangzhou Dingyan Chem is a leading manufacturer and supplier of chemicals in China.We develop,produce and distribute high quality pharmaceuticals, intermediates, special chemicals and other fine chemicals. 
 
We could give you: 
1.Best quality in your requirement 
2.Competitive price in China market 
3.mature Technical support 
4.Professional logistic support 
All we want is win-win business. Send yr. inquiries, you will get it!
 

Company Profile

Hangzhou Dingyan Chem Co., LTD. is located in the beautiful tourist city of hangzhou, is a comprehensive chemical enterprice which doing import and export business by its own company, and quality control by ISO9001:2008. Product range including HARD FAT(Fatty bases for Suppositories), API, pharma intermediates, metal catalyst, biochemical reagent and general reagents, plant extracts, plant growth regulator, food additive, etc.

With the developing world market, we adhere to the principle of "quality, service, integrity and development" , following "low carbon, environmental protection", forge ahead, and constantly in pursuit of higher level of product quality and service.

We warmly welcome customers home and abroad to build mutual trust, mutual benefit and stable cooperation relatiions.

Our company is located in hangzhou xiasha economic development zone,Zhejiang.It is a professional engaged in pharmaceutical raw materials Pharmaceutical intermediates, fine chemical,biochemical reagents and other high-tech product development.sales , import and export into a modern private enterprises Company.
 We owm  a number of senior medical research and engineer,and HPLC analysis testing instrument has been equipped. It Lays the foundation for the research and development of our  New product. Every year we will launch new produces which with high-tech content and have the international market competitiveness.
 Oue company  has passed has passed the ISO9001:2008 . The high-quality products of our company is sell well in more than 60 countries such as North America Western Europe ,southeast Asia , central and South America. Now we have established long-term stable relations of cooperation with the pharmaceutical enterprises of Europe,
 

Packaging & Shipping

Package
 

Weight	Package
<25KG	By foil-alum bag/pap/bottle
≥25kg	Package: 25kg/drum/bag or as your request

 

Our Competitive Advantage:
1.Best quality in your requirement
2.Competitive price in China market
3.mature Technical support
4.Professional logistic support
All we want is win-win business. Send yr. inquiries, you will get it!

Q1  Can i get some samples
A1  Yes, we can supply the free sample, but the shipping cost be paid by our customers.
Q2  How to start orders or make payments
A2  Proforma invoice will be sent first after confirmation of order, enclosed our bank information.                Payment by T/T, Western Union or Paypal or Escrow(Alibaba).
Q3  How to confirm the Product Quality before placing orders
A3  You can get free samples for some products,you only need to pay the shipping cost or arrange a          courier to us and take the samples. You can send us your product specifications and requests,we        will manufacture the products according to your requests.
Q4  What's your MOQ
A4  Our MOQ is 1kg. But usually we accept less quantity such as 100g on the condition that sample charge is 100% paid.
Q5  How about delivery leadtime
A5  Delivery lead time: About 3-5 days after payment confirmed. (Chinese holiday not included)
Q6  Is there a discount
A6  Different quantity has different discount.
Q7  How do you treat quality complaint
A7  First of all, our quality control will reduce the quality problem to near zero. If there is a real quality problem caused by us, we will send you free goods for replacement or refund your loss.
Q8  How to contact us
A9  You can chat with us by Trademanager,MSN&Skype Online.
       You can choose your interested products and send inquiry to us.
       You can dial our telephone directly or send Email to us., you will get our reply.