Internal standard 3, 2000g/ml in MeOH, 1ml Back Catalog number: 30069 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 677053 Flufenamic acid, 100mg Price on request 63188 2,2',3,4',5,6,6'-Heptachlorobiphenyl (188) Price on request 73569 Fenthion-oxon-sulfone Price on request