Retention Time Verification Standard Back Catalog number: 51172 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2494.13-K-IO Mono-n-heptyltriethyltin, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 51283-39-7 Price on request 8973.43-100-ME 3-Chloro-1,2-propandiol-digadolenate, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. Price on request 9839.19-25MG Phenylbutazone,neat,neat,25mg Price on request