Pharmaceutical Reference Standards / Impurity Standards

Benzhexol hydrochloride
Trihexyphenidyl Hydrochloride
Trihexyphenidyl Hydrochloride
Trihexyphenidyl EP Impurity A
Trihexyphenidyl N-Oxide
Trihexyphenidyl Impurity 1

Isotope Labelled Compounds

Trihexyphenidyl-d5