(±)-1,2-Propanediol is an aliphatic alcohol that has a variety of roles as a preservative and antifreeze, and has a wide range of applications in the food industry and skin care industry. (±)-1,2-Propanediol is a natural bacteriostatic agent that inhibits the growth and multiplication of bacteria to a certain extent.

3-(4-Hydroxy-3,5-dimethoxyphenyl)-1,2-propanediol is a natural product for research related to life sciences. The catalog number is TN2885 and the CAS number is 22805-15-8.

(S)-(+)-1,2-Propanediol is an endogenous metabolite.

(R)-(-)-1,2-Propanediol is the (R)-enantiomer of 1,2-Propanediol, which is derived from glucose through the expression of NADH-linked glycerol dehydrogenase genes in Escherichia coli.

Kmeriol is a natural product for research related to life sciences. The catalog number is TN5926 and the CAS number is 54306-10-4.

2-Hydroxyisobutyric acid (α-Hydroxyisobutyric acid) is a metabolite of methyl tert-butyl ether (MTBE). MTBE may be obtained through environmental exposure. MTBE is rapidly eliminated from the body, mainly through expired air as the unchanged compound. MTBE is to some extent metabolised to t-butyl alcohol (TBA) and formaldehyde and oxidised to 2-methyl-1,2-propanediol and a-hydroxy isobuturic acid. 2-Hydroxyisobutyric acid has been used as an arial bactericide.