Internal Standard Solution, 1.2ml, nonane Back Catalog number: NK-IS-J4 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 674338 Phthalimide, 1000mg Price on request 11907.20-100MG Fluorescein disodium salt dihydrate, 90%,neat,neat,100mg, Price on request 675254 1,3,5-Trinitrobenzene, 100 µg/ml, Acetonitrile, Price on request