Standard for chromatography in laboratory 4-propionamidophenol (acetaminophen impurity b) cas: 1693-37-4 formula: c9h11no2 product code: p783500-25mg 25mg / bottle 100% new
Standard for chromatography in retinyl propionate laboratory (stabilized with bht) 90% cas: 7069-42-3 formula: c23h34o2 part number: r275550-500mg 500mg / bottle 100% new