EPA Method 8330 Analyte Back Catalog number: 79241 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 79681 Mestranol Price on request X9098 Diphenylamine Price on request 3916.8-1ML N-Methyl-N-(trimethylsilyl)heptafluorobutyramide, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 53296-64-35 Price on request