Promethazine Back Catalog number: 73260 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679447 Heptachlor, 100 µg/ml, Methanol, 1ml Price on request S-4517-2K-10PEX10 ISO 9377-2MOD Stearyl Stearate Test Solution 200mg Stearyl stearate in 100ml Extraction solvent standard solution (S-4516) Units: 1x10mL, 5x10mL, 10x10mL Price on request 0977.27-100-IOX5 d2 C27 alpha alpha alpha (20R)-Cholestane, 100µg/mL in Isooctane, 5 x 1ml Price on request