Reagents & Grades
Acetonitrile for HPLC: Grades, Supply and Safe Handling
Acetonitrile explained: why it is the go-to HPLC solvent, HPLC vs LC-MS vs gradient
Reagents & Grades
DTT (Dithiothreitol): What It Does, How to Use It and Alternatives
DTT (dithiothreitol, Cleland’s reagent) explained: how it reduces disulfide bonds, where it is used
Reagents & Grades
Peptide Synthesis in the Lab: SPPS, Reagents, Purification and Peptide Calculators
How chemists make peptides by solid-phase peptide synthesis (SPPS): protecting groups, coupling, cleavage, HPLC
Reagents & Grades
Click Chemistry Explained: The Reaction Behind the 2022 Nobel Prize
What click chemistry is, how the copper-catalysed azide–alkyne reaction and bioorthogonal chemistry work, why
Reagents & Grades
Dibenzylideneacetone (dba, C17H14O): Properties, Uses and the Pd(dba) Catalysts
What dibenzylideneacetone (dba, C17H14O) is, how it is made in teaching labs, why it
Reagents & Grades
p-Toluenesulfonic Acid (PTSA, Tosylic Acid): Uses, Grades and Safe Handling
What p-toluenesulfonic acid (PTSA or tosylic acid) is, why chemists use it as an
Reagents & Grades
N-Hydroxysuccinimide Esters, HOBt and NMM: A Guide to Amide Coupling Reagents
How N-hydroxysuccinimide (NHS) esters, 1-hydroxybenzotriazole (HOBt) and N-methylmorpholine (NMM) work in amide and peptide
Reagents & Grades
CAS Numbers Explained: Chemical Abstracts Service and How to Find Any Compound
What a CAS Registry Number is, how the check digit works, what Chemical Abstracts
Reagents & Grades
Reagent Chemicals Explained: Grades, Purity and How to Choose
What reagent chemicals are, how purity grades such as ACS, AR, HPLC and pharmacopoeia