Disc. Use P#52130 (100mL)

(2RS)-2-(4-Butylphenyl)propanoic acid, 100µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 3585-49-7

EPA Method 525.2 - Internal Standard, 2000µg/ml in MeChl, 1ml

Phthalate Standard, 1000µg/ml in MeChl, 1ml