Interference Standard 4 Back Catalog number: 52041A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3496.12-100-CY Propyzamide Price on request 96066 Chloral hydrate Level 3 Price on request 8396.10-K-ME cis-Pinonic acid, 1000µg/mL, Solvent-Methanol, Unit 1mL, # of units-1, Cas.no. 61826-55-9 Price on request