Produits chimiques biologiques

White Crystalline Powder HEPES CAS 7365-45-9 Biological Buffer Overview 4-Hydroxyethylpiperazineethanesulfonic acid (HEPES) is an important hydrogen ion buffer with excellent buffering capacity within the pH range of 6.8 to 8.2, capable of maintaining a constant chemical pH for extended periods. Its usage concentration is 10 to 50 mmol/L. Generally, a 20 mmol/L 4-HEPES content in the culture medium provides excellent buffering capacity and is non-toxic to cells. Product

White Powder Sodium Taurocholate CAS 145-42-6 For Food And Pharmaceutical Grade Product Overview This product is a white to off-white powder with a melting point of 230°C, density of 1.177 g/cm³ (at 22.5°C), and flash point of 9°C. Product Specifications Parameter Value Product Name Sodium taurocholate CAS 145-42-6 Molecular Formula C26H44NNaO7S Molecular Weight 537.68 EINECS 205-653-7 Appearance White to off-white powder Product Image Applications Sodium taurocholate is a

Chemical Reagents Methyl Orange CAS 547-58-0 Orange Powder Acid-base Indicators Introduction: Orange-yellow powder or crystalline flakes. One part of the product can be dissolved in 500 parts of water. It is easily soluble in hot water and almost insoluble in alcohol. Uses: Used as an acid-base indicator, pH 3.1 (red) - 4.4 (yellow), also used for biological staining. Product Name Methyl Orange CAS 547-58-0 MF C14H14N3NaO3S MW 327.33 EINECS 208-925-3 Color Orange powder

Pale Yellow Powder Luminol CAS 521-31-3 Luminescent Chemical Reagents Overview of Pale Yellow Powder Luminol CAS 521-31-3 Luminescent Chemical Reagents Luminol, also known as luminol, photosensitive amine, and luminol, is a universal luminescent chemical reagent that emits a striking blue light when mixed with an appropriate oxidant. It is a white to pale yellow crystal that is soluble in most organic polar solvents but insoluble in water. Luminol is used in forensics to

White Crystal TRIS hydrochloride TRIS-HCL CAS 1185-53-1 for Biological Buffers Overview of White Crystal TRIS hydrochloride TRIS-HCL CAS 1185-53-1 for Biological Buffers Tris is also known as tris(hydroxymethyl)aminomethane; tromethamine; tromethamine; 2-amino-2-(hydroxymethyl)-1,3-propanediol in Chinese. It is a white crystal or powder. It is soluble in ethanol and water, slightly soluble in ethyl acetate and benzene, insoluble in carbon tetrachloride, corrosive to copper

Biological Buffers Tris(Hydroxymethyl)Aminomethane Tris Base CAS 77-86-1 White Crystal Overview of Biological Buffers Tris(Hydroxymethyl)Aminomethane Tris Base CAS 77-86-1 White Crystal Tris is also known as tris(hydroxymethyl)aminomethane; tromethamine; tromethamine; 2-amino-2-(hydroxymethyl)-1,3-propanediol in Chinese. It is a white crystal or powder. It is soluble in ethanol and water, slightly soluble in ethyl acetate and benzene, insoluble in carbon tetrachloride,

Biological Buffers Tris Hydrochloride Tris-HCL CAS 1185-53-1 White Crystal Overview of Biological Buffers Tris Hydrochloride Tris-HCL CAS 1185-53-1 White Crystal Tris-HCl is abbreviated as Tris-HCl. Tris-HCl buffer is not only widely used as a solvent for nucleic acids and proteins, but also has many important uses. Application of Biological Buffers Tris Hydrochloride Tris-HCL CAS 1185-53-1 White Crystal Tris-HCl is used to grow protein crystals under different pH conditions.

Adsorption Indicator Biological Chemicals Methylene Blue Trihydrate CAS 7220-79-3 Redox Indicators Introduction: ‌ Methylene blue is a phenothiazine salt with a dark green bronze crystalline or powdery appearance, soluble in water and ethanol. Methylene blue is stable in air, and its aqueous solution is alkaline and toxic.‌ Uses: Bacterial stain. Mixed indicator for serum protein biochemical test. Prepare staining solution for exfoliated cell test. Prepare alkaline methylene

Acid-Base Indicators Biological Chemicals Bromothymol Blue CAS 76-59-5 Dyes Introduction: Bromothymol blue is an acid-base indicator with a color change range of pH 6.0 (yellow) to 7.6 (blue). Ordinary water is neutral, with a pH of about 7, which is almost light green. Bromothymol blue is a colorless or light rose crystalline powder, which is easily soluble in alcohol, dilute alkaline solution and ammonia water, and slightly soluble in water. It turns yellow in acidic