Aminoisobutyric acid is a nonprotein amino acid (is an end product of pyrimidine metabolism) excreted in the urine of about 5% of healthy individuals and high excretion is an autosomal recessive phenotype.

Protease K is a nonspecific serine protease that is useful for general digestion of proteins.?It is active in the presence of SDS or urea and over a wide range of pH (4-12), salt concentrations, and temperatures.

alpha-Onocerol is a natural product for research related to life sciences.