o-Phthalaldehyde CAS 643-79-8 OPA supplier in China 

You can contact me to get more details information

Email: zoey@crovellbio.com

Whatsapp：+8619930503285

 details 

Chemical Name: o-Phthalaldehyde

CAS No.: 643-79-8

Molecular Fomula:C8H6O2

Chemical Structure:

Molecular weight: 134.13

Appearance: Solid, slightly yellow, special odor.

Assay:99%min

wickr daisylang 
whats app +86 19930503252

mia@crovellbio.com

o-Phthalaldehyde (OPA)  Function 

o-phthalaldehyde is a pharmaceutical intermediates, latest topical safe and efficient disinfectant as hospital endoscopic surgery instrument sterilization, for the synthesis of a new anti platelet aggregation drug indole Bofen, but also the field of chemical analytical reagent. Yellow needle crystal, mainly used in medicine, dyes, etc.. Amino acid derivatization reagent, fluorescence detection, the reaction in a minute, but the product is not stable, need to immediately detect.

o-Phthalaldehyde Usage

Mainly used in medicine, dyestuff and so on. The product is a pharmaceutical intermediates, the latest topical efficient and safe anti-bacterial disinfectant, as an endoscopic surgical instruments used in hospital sterilization, can be used for the synthesis of new anti-platelet aggregation drugs indole Bofen, but also the field of chemistry analysis reagents.

o-Phthalaldehyde (OPA) pictures 

package and shipping 

sealed foil bag 

25kg paper drum 

Hello everyone

I 'm a Daisy

My company is hebei Crovell biotech Co,.LTD , which is leading supplier of the tetramisole in China 

Parcels will be no encounter customs issues such as Mexico ,Spain, UK, Netherlands, USA, Ireland, France, Germany, Brazil, Italy, and many European countries
WE HAVE SPECIAL SHIPPING WAY DDP delivery to your door ,safe and fast 

Our products meet the USP BP standard and we have a certificate of conformity.


Hot products :Tetracaine HCl,procaine HCl,Tetramisole hcl, boric acid flakes and chunks .

Company details

Hebei Crovell Biotech Co,.LTD. is the leading manufacturer for cosmetic materials in China.

Which located in Shijiazhuang, Hebei Province.

We are specialized in pharmaceutical intermediates, veterinary drug intermediates and dyes intermediates,

After ten years development, Hebei Crovell Biotech Co,.LTD. has become a Diversified development company, not only involves in chemicals, but also real estate, clothes, agricultural products and so on.

So far, Hebei Crovell Biotech Co,.LTD. has business in more than 35 countries, most big customers come from Europe and America, because among the suppliers in China, Crovell can always make the product quality best, some of the products from Crovell can reach the purity of 99.9+, such as carbomer. This is the important reason for customers who choosing Crovell.

In future, Hebei Crovell Biotech Co,.LTD. must become to a more important trade bridge for China and foreign countries especially in pharmaceutical industries

6.FAQ

1. quality
our products meet msds safe standard and we have iso and other certificate so yan can get high quality products from our company.
2. price
we are the company which is the joint of trade and industry so we cao provide the competitive price and high quality product.
3.packing
we can do according to the customers' request.
4.transport
ems,dhl, tnt, ups ,fedex, by air, by sea
dhl express, fedex and ems for quantity less than 50kg, usually called as ddu service;
sea shipping for quantity over 500kg; and air shipping is available for 50kg above;
for high value products, please select air shipping and dhl express for safe;
5.service
we offer specialized logistic service including export declaration,customs clearance and every detail during shipment,this makes us able to offer you one-stop service from the order to the products transported to your hand.
we will try our best to satisfied you.
1. tailor-made for every customers.
2. third-party test for the products you demand.
3. test your counter-samples and produce them for you.
4. best discount for old customers.