成人免费xx,国产又黄又湿又刺激不卡网站,成人性视频app菠萝网站,色天天天天

Welcome to chemicalbook!
+1 (818) 612-2111
Inquriy
Try our best to find the right business for you.
Do not miss inquiry messages Please log in to view all inquiry messages.

Welcome back!

RFQ
skype
MY Account
Top
Postion:Product Catalog >Pharmaceutical intermediates>Heterocyclic compound>Pyridine compound>Pyridine derivatives>2,2'-Dithiodipyridine
2,2'-Dithiodipyridine
  • 2,2'-Dithiodipyridine
  • 2,2'-Dithiodipyridine
  • 2,2'-Dithiodipyridine
  • 2,2'-Dithiodipyridine

2,2'-Dithiodipyridine NEW

Price $500
Package 1KG
Min. Order: 1KG
Supply Ability: 500KG/Month
Update Time: 2024-10-25

Product Details

Product Name: 2,2'-Dithiodipyridine CAS No.: 2127-03-9
EC-No.: 218-343-1 Min. Order: 1KG
Purity: 98% Supply Ability: 500KG/Month
Release date: 2024/10/25

Introduction:

2,2' -dithiopyridine is a nucleocapsid zinc finger targeting compound that can eliminate the infectivity of human immunodeficiency virus type 1 virions.

Application: 

2,2' -dithiopyridine is a useful reagent for the determination of sulfhydryl groups, the preparation of amino acid active esters and phosphothioesters, can act as a peptide coupling agent and oxidant, and is also used in the activation of glycosides.

Melting Point

56-58 °C

Boiling Point

356.1±17.0 °C

Density

1.3078

Refractive Index

1.5500

Flashing Point

210 °C

Storage Condition

2-8°C

Solubility

Soluble in methanol 50mg/mL, clear to slightly cloudy, colorless to light brownish yellow

Water Solubility

5 g/L (20 oC)

pKa

1.52±0.19

LogP

2.530 (est)

Article illustration

Our advantages:

1) Timely communication, reply within 12 hours.You can leave any messages on our whatsapp or send email to us.

2)Selecting raw materials strictly,our products are the highest purity.

3)Reasonable and competitive price.

4) Free sample for your evaluation.Customers only need to undertake the shipping fee for delivery the samples to your destionation.

5)OEM/ODM Available.Trial order is available for testing after samples.

6) Packaging can be customized according to each buyers' special request.

We guarantee that your package will pass 100% through the Mexico US, UK, Australia, Netherlands, Canada, France, Germany, Spain, Belgium, Sweden, Poland, Russian, Ukraine, Kazakhstan, Czech Republic, Slovakia, Portugal.

 

We have freight forwarders in these countries, and our customs clearance company will clear your parcels without any customs issues, sometimes even 1000 kg. Door to door service. Make sure you receive 100% of the goods. Let you have a good experience of our strong freight capacity.

Company Introduction

hebei yanxi chemical  co., LTD who registered capital of 10 million yuan, nearly to $2 million, we have a pharmaceutical raw materials factory production of pharmaceutical raw materials, and a reagent r&d center, and we do research and development production of reagent tens of thousands of species. our aim is quality strives for the survival. Seek development by credit reputation. Our products have big price advantage in Europe South America and so on .and Our company also has the advantage of high quality in Africa. in the past two years our products has reached more than 30 countries in the world, Europe. South America. North America, southeast Asia, Africa, etc. We welcome all over the world with the best quality and lowest price friend common cooperation and common development!

After Sales Service

 1) Best quality in your requirement

 2)Competitive price in china market

 3)Mature technical support

 4)Professional logistic support

 5 )Full experience of large numberscontainers loading in chinese sea port

 6 )Fast shipment by reputed shipping line

 7) Packing with pallet as buyer's special request

 8) Best service after shipment.

 9) Cargoes together with container after-sales service available

 10) Full experience in export

 11)Raw materials from chinese origin                                                                  

FAQ


What is the way you ship?

Express: FedEx, UPS, EMS, DHL, USPS, TNT, DPD, Aramex etc

Our way of shipping the products is universal and secure.

The company name and other contents related to pharmacy are not written on the package slips.

The way of packing is regularly changed for a secure delivery.

The packages are small in order to avoid unwelcomed questions . If the order is big, then it will be divided into two or more packages


Can the packages be trackable?

YES, we provide tracking number and you can track on internet.


Where do you ship to?

Worldwide.


Do you offer domestic shipping/remail shipping?

Yes we can ship to USA/UK/Canada/Australia/Germany etc warehouse first then to you.


Do you ensure your packing , what about customs, what happens if the package is retained?

We concern a lot about our safety system, we pack the orders as secure as possible. If a package is seized at customs, reships of seized orders will be done provided you have a copy of the letter to show us. If you receive a seizure letter, please contact us immediately with a scanned copy of the seizure letter, and also a new address to have your order reshipped to.


Which payment options are available?

Bitcoin

Western Union

Bank wire

MoneyGram

Article illustration

Article illustration

Article illustration

Article illustration



Company Profile Introduction

Hebei Yanxi Chemical Co. LTD., mainly produce the Carbomer940/980/u21 and lead acetate and lead oxide, lead stearate, lead salt, at the same time operating organic intermediates, surfactants, Food additive,inorganic salt, plant extracts, cosmetics raw material, etc., through long-term development, hebei said bush chemical co., LTD. In hebei province has become a collection of r &d, production, sales in the integration of high-tech enterprises.

You may like

Recommended supplier

Product name Price   Suppliers Update time
$74.00/5g
VIP5Y
TargetMol Chemicals Inc.
2024-11-19
$0.00/1KG
VIP3Y
Hebei Weibang Biotechnology Co., Ltd
2024-10-31
$300.00/1KG
VIP1Y
Shijiazhuang Jianxin Biotechnology Co., LTD
2024-07-18
$10.00/1KG
Shanxi Naipu Import and Export Co.,Ltd
2021-10-19
$15.00/1KG
Zhuozhou Wenxi import and Export Co., Ltd
2021-07-08
$0.00/1GK
VIP4Y
Baoji Guokang Bio-Technology Co., Ltd.
2021-06-02
$90.00/10g
Hebei shuoxi biotechnology co. LTD
2020-04-26
$8.00/1kg
VIP7Y
Career Henan Chemical Co
2018-12-17
$0.00/1KG
Zhuozhou Wenxi import and Export Co., Ltd
2021-07-03
$94.00/1Kg/Bag
Hebei shuoxi biotechnology co. LTD
2019-10-22
  • Since: 2020-05-25
  • Address: Zhanggeji Village, Fengjiazhai Town, Guangzong County, Xingtai City, Hebei Province
INQUIRY
Peter Lee
17531190177