Internal Standard Back Catalog number: 95665 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3829.31-10UG 2 alpha,17ß(H),21ß(H)-2-Methylhopane, neat, Solvent-neat, Unit ca. 10µg , # of units-1, Cas.no. 138128-29-7 Price on request 674760 Thiamphenicol, 100mg Price on request 72006 4-Ethylguaiacol Price on request