Using the Request for Quote (RFQ) form provided on this page, you can request competitive procurement options on part number 21409 with rapid responses always offered by our staff. To ensure that you locate and procure exactly what you need with ease, we list parts with as much information as we can. For example, part number 21409 It is listed as Culture Medium Bile Esculin Agar. component manufactured by Becton Dickinson And Company, specifically under CAGE Code 05545. It is also accompanied by the NSN 6550012461914 for ease of organization, the first digits of the NSN indicating that the part belongs to FSC .