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99.5% purity HEPES CAS:7365-45-9 2-[4-(2-hydroxyethyl)piperazin-1-yl]ethanesulfonic acid

HEPES (4-(2-hydroxyethyl)-1-piperazineethanesulfonic acid ) is a zwitterionic organic chemical buffering agent; one of the twenty Good's buffers.

High purity MOPS CAS:1132-61-2 3-(N-morpholino)propanesulfonic acid

MOPS (3-(N-morpholino)propanesulfonic acid) is a buffer introduced by Good et al.With a pKa of 7.20, MOPS is an excellent buffer for many biological systems at near-neutral pH.

Bio-buffer BICINE CAS:150-25-4 N,N-Bis(2-Hydroxyethyl)Glycine

Bicine is an organic compound used as a buffering agent. It is one of Good's buffers and has a pKa of 8.35 at 20 °C

99.0%-101.0% Tricine CAS:5704-04-1 N,N-Bis(2-Hydroxyethyl)Glycine

Tricine is an organic compound that is used in buffer solutions. The name Tricine comes from tris and glycine, from which it was derived. It is a white crystalline powder that is moderately soluble in water.

High purity PIPES CAS:5625-37-6 Piperazine-1,4-bisethanesulfonic acid

PIPES is the common name for piperazine-N,N′-bis(2-ethanesulfonic acid), and frequently used buffering agent in biochemistry. It is an ethanesulfonic acid buffer developed by Good et al. in the 1960s.

BioUltra MOPSO CAS: 68399-77-9 3-(N-Morpholino)-2-Hydroxypropanesulfonic Acid

MOPSO sodium salt is a zwitterionic buffering agent used in biochemistry and molecular biology that was selected and described by Good . It is a morpholinic buffer, structurally similar to MOPS, that is useful for a pH range of 6.2 – 7.6.

MES 99.0% CAS: 4432-31-9 4-Morpholineethanesulfonic acid

MES is the common name for the compound 2-(N-morpholino)ethanesulfonic acid. Its chemical structure contains a morpholine ring. It has a molecular weight of 195.2 and the chemical formula is C6H13NO4S.

99% MOPSO-Na CAS: 79803-73-9 MOPSO sodium salt

MOPSO, Sodium Salt is a zwitterionic aminosulfonate buffer with a similar structure to MOPS and a useful pH range of 6.5 - 7.9. MOPSO may be used as a buffer component in various biological applications including DNA gel electrophoresis.

High purity PIPES disodium salt CAS: 76836-02-7 Disodium piperazine-1,4-diethanesulphonate

PIPES [piperazine-N,N′-bis(2-ethanesulfonic acid)] is frequently used as a buffering agent in biochemistry; it is an ethanesulfonic acid buffer developed by Good et al. in the 1960s. PIPES has a pKa near the physiological pH which makes it useful in cell culture work. It has been documented that PIPES disodium salt may help prevent lipid loss when buffering glutaraldehyde-fixed histological samples.

98% CAPS CAS: 1135-40-6 N-Cyclohexyl-3-aminopropanesulfonic acid

CAPS is the common name for N-cyclohexyl-3-aminopropanesulfonic acid, a chemical used as buffering agent in biochemistry.

MES monohydrate CAS:145224-94-8 2-Morpholinoethanesulfonic acid, monohydrate

MES monohydrate is a zwitterionic N-substituted aminosulfonic acid Good's buffer. Used as a running buffer for resolving very small proteins (ex: 13 kDa) on bis-tris gels; also used as a biological buffer in plant cell cultures.

99.0% ADA CAS: 26239-55-4 N-(2-acetamido)iminodiacetic acid

ADA, or N-(2-Acetamido)iminodiacetic acid, can be used to study biological buffers and zwitterionic compounds.

CAPS CAS: 1135-40-6 N-Cyclohexyl-3-aminopropanesulfonic acid

CAPS is the common name for N-cyclohexyl-3-aminopropanesulfonic acid, a chemical used as buffering agent in biochemistry.

High Quality TCEP-HCL CAS:51805-45-9 Tris(2-carboxyethyl)phosphine hydrochloride

Tris(2-carboxyethyl)phosphine hydrochloride CAS:51805-45-9，usually called TCEP-HCL,is a pharmaceutical intermediates, chemical reagent; Reducing agent buffer

Tris HCL Tris(hydroxymethyl)aminomethane Hydrochloride CAS 1185-53-1

Tris(hydroxymethyl)aminomethane hydrochloride(TRIS-HCL) is a kind of important biological buffer, at the same time can be used as intermediates in organic synthesis

High purity TAPS CAS: 29915-38-6 N-[Tris(hydroxymethyl)methyl]-3-aminopropanesulfonic acid

TAPS or [tris(hydroxymethyl)methylamino]propanesulfonic acid is commonly used to make buffer solutions. It can bind divalent cations, including Co(II) and Ni(II).

Bis-Tris Propane 99.0% CAS: 64431-96-5 1,3-bis(tris(hydroxymethyl)methylamino)propane

Bis-tris propane, or 1,3-bis(tris(hydroxymethyl)methylamino)propane, is a chemical substance that is used in buffer solutions. It is a white to off-white crystalline powder that is soluble in water. It has a wide buffering range, from 6 to 9.5 due to its two pKa values which are close in value. This buffer is primarily used in biochemistry and molecular biology.

Tris (Tromethamine) CAS 77-86-1

Tris is widely used in the preparation of buffers in biochemistry and molecular biology experiments. In addition, Tris is the intermediate for the preparation of surfactants, vulcanization accelerators and some drugs.

99.5% Tris(hydroxymethyl)aminomethane CAS 77-86-1

Tris(hydroxymethyl)aminomethane, also known as THAM, is widely used as a biological buffer or as a component of buffer formulations such as TAE and TBE buffers. Tris has a pKa of 8.06 and is very useful in the biology and biochemistry lab because it has buffering capabilities in the range of the typical physiological pH of most living organisms (pH 7.0-9.0). Tris has been reported to interfere with the activity of a number of enzymes, it should therefore be used carefully when studying proteins.

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