CAS 50-45-3 appears in our catalog under these names: 2,3-Dichlorobenzoic acid, min. 95 %, 1 kg, Lamotrigine Impurity E, Lamotrigine EP Impurity E (Lamotrigine USP Related Compound B), 2,3-Dichlorobenzoic Acid, >95% (HPLC), 2,3-Dichlorobenzoic Acid. Offered by: Roth, Chemat Brand, TRC, Mikromol, GLPBio. Available pack sizes: 1kg, on request, 100g, 10g, 25mg, 500g, 50g, 0,5kg.