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≥99% DTNB CAS:69-78-3 5,5'-Dithiobis(2-nitrobenzoic acid)5,5'-Dithiobis(2-nitrobenzoic acid) CAS:69-78-3 or DTNB is a chemical used to quantify the number or concentration of thiol groups in a sample.
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≥98.0% BSA CAS:9048-46-8 Bovine serum albuminBovine serum albumin also known as BSA or "Fraction V" is a serum albumin protein derived from cows. It is often used as a protein concentration standard in lab experiments.
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Bis-Tris Propane 99.0% CAS: 64431-96-5 1,3-bis(tris(hydroxymethyl)methylamino)propaneBis-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.
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High activity Ribonuclease A CAS:9001-99-4 RNase ARNase A is an endoribonuclease that attacks at the 3’OHphosphate of a pyrimidine nucleotide. The sequence of pG-pG-pC-pA-pG will be cleaved to give pG-pG-pCp and A-pG. The highest activity is exhibited with single stranded RNA.
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Adefovir Dipivoxil Intermediates CAS: 116384-53-3Adefovir Dipivoxil Intermediates (CAS: 116384-53-3) could treat chronic hepatitis B.
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N,N'-Methylenebisacrylamide CAS 110-26-9It is used as chemicals for construction and building materials
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N,N-Bis(2-hydroxyethyl)-2-aminoethanesulfonic acid CAS 10191-18-1It is used as a biological buffer
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Streptavidin CAS 9013-20-1It is a crystalline protein isolated from the bacterium Streptomyces avidinii and possesses biotin-binding ability.
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N,N-bis(4-sulfobutyl)-3-methylaniline,disodium salt CAS 127544-88-1It is used for clinical test and biochemcial experiment.