Surrogate Standard Back Catalog number: 98775 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 672835 Cypermethrin, 100mg Price on request 11618.24-K-ME Spironolactone,1000 µg/mL,MeOH,1mL, Price on request 681127 D10-Diphenylamine, 100 µg/ml, Ethyl acetate, 1ml Price on request