2-Ketoglutaric acid CAS 328-50-7

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Guanidine Hydrochloride CAS 50-01-1

Guanidine Hydrochloride/HCL CAS 50-01-1 is white crystalline powder (medical grade) or white or light yellow lump (technical grade). Guanidine HCL is a powerful, chaotropic agent which is widely used for purification of proteins and nucleic acids. Guanidine Hydrochloride is useful for denaturation and refolding of proteins as well as in the recovery of periplasmic proteins and isolation of RNA.

Lactic acid CAS 50-21-5

Lactic acid CAS 50-21-5 is a white, water-soluble solid or clear liquid,having a mild acid odor and taste. It is found in muscle tissue and blood and is an intermediate in the metabolism of carbohydrates. Lactic acid is also used as an acidifying agent. Lactic acid is produced from natural corn starch by advanced bio-fermentation and refining technology.

Dextrose anhydrous D-glucose anhydrous CAS 50-99-7

Dextrose anhydrous D-glucose CAS 50-99-7 is white solid (crystalline powder),taste sweet, the sweet about sucrose 69%.It is soluble in water, easily soluble in water, soluble in ethanol.Dextrose of food grade is widely used in all kinds of foods and beverages replacing sucrose as sweeter and as the raw materials in pharmaceutical factory to produce vitamin C and sorbitol,etc.

Kojic acid CAS 501-30-4

Kojic acid CAS 501-30-4 is a chelation agent produced by several species of fungi, especially Aspergillus oryzae. It is a mild inhibitor of the formation of pigment in plant and animal tissues, and is used in food and cosmetics to preserve or change colors of substances. It forms a bright red complex with ferric ions.

Aspirin Acetylsalicylic acid CAS 50-78-2

Aspirin powder CAS 50-78-2, also known as acetylsalicylic acid (ASA), is white crystal or crystalline powder,with acid taste and is stable in dry air. Aspirin is often used to treat pain, fever, and inflammation. Aspirin is also used long-term, at low doses, to help prevent heart attacks, strokes, and blood clot formation in people at high risk of developing blood clots.

Arachidonic acid CAS 506-32-1

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Ascorbic acid Vitamin C CAS 50-8-7

Ascorbic acid CAS 50-81-7 or Vitamin C, L-ascorbic acid, is an essential nutrient for humans and certain other animal species. Ascorbic acid is a naturally ooccurring organic compound with antioxidant properties. It is a white solid and dissolves well in water to give mildly acidic solutions. Because it is derived from glucose, many animals are able to produce it, but humans require it as part of their nutrition.