(±)-Betaxolol-d7 hydrochloride (N-iso-propyl-d7)

Low level Nitrogen & Sulfur Calibration Set Units: 1x1mL ampoules or 10mL screwcapped bottle Nitrogen introduced using Aniline / Sulfur introduced using di-n-Butyl Sulfide Catalogue No. Concentration Matrix: Benzene mg/kg (ppm) S-4143-0

Iodomethane

Alkylated Phenol Mixture 3 31 Analytes, each 100µg/mL in isooctane, pestipure; unist: 1x1mL, 5x1mL Prod.no. Compound Purity CAS no. 1427.6 Phenol 99.9 % [108-95-2] 1403.7 o-Cresol