2-Ethylbutyric acid acts as an internal standard (IS) in a standard addition calibration method for the VFA analysis of faeces. References: Cruwys JA, et al. Development of a static headspace gas chromatographic procedure for the routine analysis of volatile fatty acids in wastewaters. J Chromatogr A. 2002 Feb 1;945(1-2):195-209.

纯度：≥98%

CAS：88-09-5