Pyrilamine Maleate, USP

Molecular Formula
C17H23N3O•C4H4O4
Catalog Number
PY105
Supplier/Brand
Spectrum Chemical
CAS Number
59-33-6

Pyrilamine Maleate, USP is a first generation antihistamine, targeting the H1 receptor, used to treat the common cold. All Spectrum Chemical USP grade products are manufactured, packaged and stored under current Good Manufacturing Practices (cGMP) per 21CFR part 211 in FDA registered and inspected facilities.


Synonyms: Mepyramine Hydrogen Maleate ; Pyranisamine Maleate ; Midol ; Mepyramine Maleate

Shipping Information


Tariff No. 2933310000

Storage Information

LIGHT SENSITIVE: Keep tightly closed in light-resistant containers.

Certificates of Analysis

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2023