Metals Mix - 4 Back Catalog number: 59947 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3656.6-K-IO 1,2,4,5-Tetrachlorobenzene, 1000µg/mL in Isooctane, 1ml Price on request M288787-1MG 5-Methylbenzotriazole-d6, 1mg Price on request 682526 4-Hydroxybenzoic acid, 1000mg Price on request