PSA-GCB-Mix 11 Back Catalog number: 674995 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 52337 Mixed Calibration Standard 3 Price on request 682111 delta-9-Tetrahydrocannabinolic acid A, 10.0 µg/ml, Price on request H825305 rac 4-Hydroxy Ephedrine Hydrochloride, 10mg Price on request