Buy pharmaceutical intermediates principle ingredients in manufacturing medicines


2-(quinolin-4-yl)-1-(pyridin-2-yl)-ethanone 97%

CAS: 7543-22-8      2-(quinolin-4-yl)-1-(pyridin-2-yl)-ethanone-Not Exists

2-AminoacetonitrileHydrochloride LAB GRADE 98%+

Product Name: 2-AminoacetonitrileHydrochloride

Chem Name: Aminoacetonitrile hydrochloride

CAS: 6011-14-9


Package: 25kgs fibers

In Stock

2-Chloroethyl Morpholine HCL Purified Above 99%

4-(2-Chloroethyl)morpholine Hydrochloride is widely used as intermediate for the synthesis of pharmaceuticals such as Floredil, Morinamide, Nimorazole, Pholcodine and many more. 4-(2-Chloroethyl)morpholine is used in the preparation of potential DNA cross-linking antitumor agents as well as synthetic opiate analogues.

Cyclopropane Carboxylic Acid Purified Above 98%

Cyclopropanecarboxylic acid is used as an intermediate for pharmaceuticals, agrochemicals and other organic synthesis.

Dextran Sulfate Sodium MW500, 000 LAB GRADE 98%

Identity:                      To pass test
Appearance:                  White powder
Solubility (10%solution):        Clear to light yellow solution
Loss on Drying:               Not more than 10.0%
pH(at 10% solution):           5.0-7.5
O.D. (10% solution at 510nm): Not more than 0.05
Sulphur:                      16.0%~20.0%
Free Sulphate:                Not more than0.2%
Chloride:                      Not more than0.1%

Shelf life: 5 years

Application: Chemical reagents, fine chemicals, pharmaceutical intermediates, material intermediates, scientific research, cosmetics.
Dextran sulfates are supplied as the sodium salt forms that are soluble and stable in water. It consist of 17% (approx.) sulfur equivalent to 2.3 (approx.) sulfate groups per glucosyl residue. Dextran is a (complex branched glucan) polymer of anhydroglucose. It is composed of approximately 95% alpha-D-(166) linkages and the remaining (163) linkages account for the branching of dextran.

Dextran sulfate is an anionic polymer of sulfated glucose, capable of accelerating hybridization rates of nucleic acids. The polyanionic character of Dextran sulfate helps to approximate nucleic acid strands, increasing their effective concentration to each other and promoting hybridization. Dextran sulfate also demonstrates a sequestering interaction with proteins, presumably through hydrogen-bonding between the sulfate groups and amine groups of the protein that generates an insoluble complex. The ability of the polymer to precipitate fibrinogen and low-density lipoproteins from plasma solutions has been used for analysis and for anticoagulant applications.

Used for the detection of DNA or RNA in nucleic acid hybridization procedures. It effectively "excludes" probe from solution, accelerating the rate of annealing.

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