Internal Std., 4000µg/ml Methylene Chloride, 1ml Back Catalog number: 10009 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 1255.7-1ML 3-Ethylpentane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 617-78-7 Price on request 32941 Xylenes [Total Mixed Isomers] Price on request 1545.13-K-IO n-Tridecane-d28, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 121578-12-9 Price on request