CLP Calibration Standard Back Catalog number: 52155A Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended M324775 ß-Methylphenethylamine, 2,5g Price on request 31004 EPA Method 500 Series Internal Standard Price on request 10864.10-100-ME Serotonin-13C2,15N hydrochloride (ethylamine-13C2,15N),100 µg base/mL,MeOH,1mL Price on request