2,2,5,5-Tetramethyltetrahydrofuran

Ergotaminine, 25µg/mL, Solvent-dried down, Unit 5mL, # of units-1, Cas.no. 639-81-6

Salicylic acid-d4 (3,4,5,6-d4), neat, Solvent-neat, Unit 100mg, # of units-1, Cas.no. 7864-17-0

Daily Quality Control Standard (with Internal Standard) 15 Analytes, each Wt.% as listed; units: 1x10mL, 5x10mL neat Name Wt.% Name Wt.% n-Hexane 11 Ethylbenzene