Calcium Hardness Back Catalog number: 54543 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 2533.11-100MG (2RS)-2-(4-Ethylphenyl)propanoic acid, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 3585-52-2 Price on request S-4380-K-5MEX5 ISO 17353/23161 Multicomponent OC* Standard Solution, Stock Solution A 8 Analytes, each 1000µg/mL OC in methanol; units: 5x1mL, 5x5mL * OC: Organotin cation OCT: Organotin compound Prod.No. Compound CAS No. OCT 1983.4Mono-n-butyltin trichloride [11 Price on request 12093.7-K-IO Benzotrichloride,1000 µg/mL,isooctane,1mL, Price on request