CasNo.117-39-5,Big ordering quality guaranteed Quercetin 117-39-5 manufactory,(117-39-5) Suppliers

1 Gram	Negotiable

Min.Order :1 Gram
Purity: 98%
Payment Terms : L/C,T/T,

Keywords

Quercetin manufactory big ordering Quercetin quality guaranteed 117-39-5

Quick Details

Appearance:Yellow to green yellow crystalline powde
Application:medicinal，etc
PackAge:Aluminum foil bag
ProductionCapacity:10|Metric Ton|Month
Storage:Store at 0-5oC
Transportation:by sea，by air

Superiority:

Big ordering quality guaranteed Quercetin 117-39-5 manufactory

Company Info

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.

Process Capability : The company covers an area of 40,000 m2,a registered capital of RMB 20 million,is a high-tech enterprises which specialized in pharmaceutical intermediates as the main products.The company has all kinds of professional chemical production line,matching a complete set of perfect office, warehouse,utility facilities,and with independent research and development team and advanced testing equipments.The company is mainly engaged in researching,developing,manufacturing and serving the chiral pharmaceutical intermediates, pharmaceutical raw materials, intermediates and related products.

FAQ

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, 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.

Details:

Big ordering quality guaranteed Quercetin 117-39-5 manufactory

Details

Proname	quercetin
CAS No	117-39-5
Synonyms	MELETIN; 2',3,4',5,7-pentahydroxyflavone; 4H-1-Benzopyran-4-one, 2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-; QUERTINE;
Formula	C15H10O7
Exact Mass	302.04300
Molecular Weight	302.23600
PSA	131.36000
LogP	1.98800
Appearance & Physical State	Yellow to green yellow crystalline powde
Density	1.799 g/cm3
Melting Point	314-317ºC
Boiling Point	642.4ºCat 760 mmHg
Flash Point	248.1ºC
Refractive Index	1.767
Stability	Stable under normal temperatures and pressures.
Storage Condition	Store at 0-5ºC
Vapor Pressure	9.03E-16mmHg at 25°C
Assay (Quercetin)	98% UV 95%HPLC
Odor	Characteristic
Mesh Size	80 mesh
Loss On Drying	≤5.0%
Residue on Ignition	≤5.0%
Heavy Metals	<5ppmMax
As	<2ppm
Pesticides	Negative
Total Plate Count	1000/gMax
Yeast & Mold	<100/gMax
Salmonella	Negative
E.Coli	Negative