High quality 2-Propenamide,2-cyano-3-(3,4-dihydroxy-5-nitrophenyl)-N,N-diethyl-, (2E)-(130929-57-6)

Product Description of Entacapone

1)Product Name:Factory supply high quality Entacapone 130929-57-6
2)CAS:130929-57-6 
3)Molecular Formula:C14H15N3O5
4)Molecular Weight:305.29
5Assay:98.0~101.0%
6)Appearance:Yellow or colourless crystalline powder with characteristic odor

Specification of Entacapone

1. Any inquiries will be replied within 12 hours.
2. Dedication to quality, supply & service.
3. Strictly on selecting raw materials.
4. OEM/ODM Available.
5. Reasonable & competitive price, fast lead time.
6. Sample is available for your evaluation & Formulation development.
7. Faster delivery:Sample order in stock and 3-7 days for bulk production.
8. We have strong cooperation with DHL, TNT, UPS, FEDEX, EMS. Or you also can choose your own shipping forwarder.
9. After-Sale Service:
(1) International Authorized Third-Party Test For The Products You Demand.
(2) 60 Days Warranty of quality of goods.

1. Your inquiry related to our products or prices will be replied in 12hours.

2. Well-trained and experienced staffs to answer your enquires in fluent English.

3. All our products have high quality warranties.

4. Sample order can be delivered within 3 working days, small order 3-5working days, mass order 7-10working days.

5. Samples can be offered by free,customers just need to pay the freight.But the freight can be returned to our customer after he/she places formal order with us.

Qingdao Sigma Chemical Co., Ltd. Import And Export Co., Ltd is is a global chemical industry manufacturers and suppliers of pharmaceuticals and intermediates, food and feed additives, herbal extracts, agrochemicals and fine chemicals etc.

The aim of Sigma is a quality policy that "Elements in the system all have been satisfied, Personnel has been trained; Every batch of material is checked, Each procedure guarantees the quality; Every bag of our products is top grade, Service is thoughtful all the time, quality and reputation to increase market share and promote enterprise development. The quality, colors and forms of our products have reached a high level in related chemical industry, which relies on characteristic and advanced processing technology and it has gained a high and reliable reputation from customers at both quality and services.

Sigma has become the "Top 500 Chinese manufacturing companies","Top 20 of global agrochemical sales".Sigma has 21 subsidiaries and holding companies.

 Q1: Are you a manufacturer
Answer: Yes, we are factory founded on 2002.

Q2: How to contact with us
Click the Alibaba "Contact Supplier" And then send us message the product you interest in, you will get reply within 24 hours.

Q3:Which kind of payment terms do you accept
For small order,you can pay by T/T, or Paypal,nomal order by T/T to our company account

Q4:Can you give me a discount price
Surely,It depend on your qty

Q5:How can i get a sample
free samples is available,but freight charges will be at your account and the charges will be return to you or deduct from your order in the future.

Q6: How to confirm the Product Quality before placing orders
A: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.