Equilin, 50mg Back Catalog number: 683263 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended M0220 4,4'-Diaminodiphenylmethane, >98%, 25g Price on request 30151 EPA Method 515.3 - Derivatized acids Price on request 70339 1-(o-Chlorophenyl)-2-thiourea Price on request