pharmaceutical secondary standard; traceable to USP, PhEur and BP Synonym(s): 2,2-Dimethyl-5-(2,5-dimethylphenoxy)pentanoic acid; 2,2-Dimethyl-5-(2,5-xylyloxy)valeric acid; 5-(2,5-Dimethylphenoxy)-2,2-dimethylpentanoic acid Amino Acid Sequence: Empirical Formula: …