CLP Calibration Standard Back Catalog number: 53155 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended L14101000CY Heptachlor-exo-epoxide (Iso B) 10µg/mL in CY, 10ml Price on request 79316 Profenophos Price on request 9446.12-100-CY Merphos Price on request