3-Hydroxybutyric acid Back Catalog number: 73479 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8628.31-10UG 3ß,17 alpha(H),21 alpha(H)-3-Methylhopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. Price on request 92663 2-Methyl-1,3-butadiene Price on request 71892 4-Methyldibenzothiophene Price on request