Appendix IX Semi-Volatiles Back Catalog number: 82707 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 11615.50-100MG Tylosin tartrate,neat,neat,100mg, Price on request 0137.12-K-IO 2-n-Octylthiophene, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 880-36-4 Price on request 94454 Crotonaldehyde Price on request