FAME mixture for GCMS analysis of various food matrices. Contains compounds from C4 to C24, with many isomers of C14 and higher. 30 mg/mL total concentration in methylene chloride. Shipped at ambient temperature, store at -20C. Minimum shelf life at ship date: 6 months, max 24 months. Visit https://www.restek.com/en/products/reference-standards/reference-standards-by-sector/food--agriculture/6098/?sku=35077 for the complete list of compounds, CAS numbers, and concentrations.