HPLC Standard Back Catalog number: 94306 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12103.5-50MG Glufosinate,neat,neat,50mg, Price on request 679556 D5-Nalidixic acid, 10mg Price on request 2700.8-100MG Isocaffeine (1,3,9-Trimethylxanthine),neat,neat,100mg, Price on request