Guanidine hydrochloride, ~95%, is a highly pure and crystalline organic compound used in various biological and chemical research applications.
 
With a CAS number of 50-01-1 and a molecular weight of 95.53 g/mol, it is a strong chaotropic agent that is commonly used in protein denaturation, RNA isolation, and DNA purification.
 
However, it should be handled with care due to its hazardous properties. Its MSDS hazard warning codes include H302, H312, H332, H315, H319, and H335. Overall,
 
Guanidine hydrochloride is an essential reagent for any laboratory conducting protein research and purification.