Appendix II Semi-Volatile Mix Back Catalog number: 92218 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9212.4-100MG 3-Amino-4-pyrazolecarboxamide hemisulfate, neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 27511-79-1 Price on request 79159 N-Nitrosodimethylamine Price on request 1267.8-K-ME o-Xylene, 1000µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 95-47-6 Price on request