Surrogate Standard Back Catalog number: 98775 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1810.13-50-IO Hexachlorophene, 50µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 70-30-4 Price on request CFN99171 Astragaloside IV, >98%, 20mg Price on request 1004.8-1ML Di-tert-butylsulfide, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 107-47-1 Price on request