1,4-Butanediol Back Catalog number: 73380 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 10444.0 Red pigment 104 Price on request 1579.4-K-ME Metformin hydrochloride, 1000µg base/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 1115-70-4 Price on request 92693 EPA Method 525.2 Standard Price on request