Clemastine fumarate is a histamine H1 antagonist used as the hydrogen fumarate in hay fever, rhinitis, allergic skin conditions, and pruritus. Clemastine fumarate blocks the H1 histamine receptor and prevents the symptoms that are caused by histamine activity on capillaries, bronchial and gastrointestinal smooth muscles, including vasodilation, increased capillary permeability, bronchoconstriction, and spasmodic contraction of gastrointestinal smooth muscles. It may cause cause drowsiness. This drug also prevents histamine-induced pain and itching of mucous membranes.

Product information

CAS Number: 14976-57-9

Molecular Weight: 459.96

Formula: C25H30ClNO5

Chemical Name: (2E)-but-2-enedioic acid; (2R)-2-{2-[(1R)-1-(4-chlorophenyl)-1-phenylethoxy]ethyl}-1-methylpyrrolidine

Smiles: CN1CCC[C@@H]1CCO[C@](C)(C1C=CC=CC=1)C1C=CC(Cl)=CC=1.OC(=O)/C=C/C(O)=O

InChiKey: PMGQWSIVQFOFOQ-YKVZVUFRSA-N

InChi: InChI=1S/C21H26ClNO.C4H4O4/c1-21(17-7-4-3-5-8-17,18-10-12-19(22)13-11-18)24-16-14-20-9-6-15-23(20)2;5-3(6)1-2-4(7)8/h3-5,7-8,10-13,20H,6,9,14-16H2,1-2H3;1-2H,(H,5,6)(H,7,8)/b;2-1+/t20-,21-;/m1./s1

Technical Data

Appearance: Solid Power

Purity: ≥98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 ^oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥360 days if stored properly.

Stock Solution Storage: 0 - 4 ^oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200

Products are for research use only. Not for human use.