Fumaric acid Back Catalog number: 72167 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11770.12-100-IO 2,2',3,3',4,4',6,6'-Octachlorobiphenyl,100 µg/mL,isooctane,1mL, Price on request 40013 EPA Method 609 - Analytes Price on request 11348.18-100MG Hydroxychloroquine,neat,neat,100mg, Price on request