WP Formaldehyde Back Catalog number: 38401 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended S-4527-K-IOX5 Organotin Standard Mixture 8 - Tin IS Ethyl Derivatives Internal standards ethylderivatives 1000 µg/mL in isooctane (based on total mass)) 5x1mL Ethyltripropyltin 1955.11 Di-n-heptyl diethyltin 2493.18 Tetra-n-propyltin 2490.12 Price on request 675042 Alachlor ESA sodium salt, 10mg Price on request 10095.6-100-ME N-Nitrosodiisopropylamine,100 µg/mL,MeOH,1mL, Price on request