WP Total Phenolics Back Catalog number: 50218 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended M331127 N-Methyl-N-(trimethylsilyl)trifluoroacetamide-d9, 100mg Price on request 9407.15-100-ME Metoprolol-d7 hydrochloride (isopropyl-d7), 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1219798-61-4 Price on request 3344.9-100-AN Chlorpyrifos, 100µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-1, Cas.no. 2921-88-2 Price on request