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Promethazine HCl

Histamine H1 receptor antagonist

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Catalog No. A14248

Availability:Stock in USAIn stock

Product Name Catalog No. Price Qty
Promethazine HCl 100mg A14248-100

Regular Price: $100.00

Special Price: $80.00

Promethazine HCl 500mg A14248-500

Regular Price: $600.00

Special Price: $480.00

Promethazine HCl 10mM * 1mL in DMSO A14248-10mM-D

Regular Price: $62.00

Special Price: $49.60

Products are for laboratory research use only. Not for human use. We do not sell to patients.

Quick Overview

Promethazine HCl is a potent histamine H1 receptor antagonist.

Promethazine HCl

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Chemical Information

Catalog Num A14248
Actions Antagonist
M. Wt 320.88
Formula C17H21ClN2S
Solubility DMSO
Purity >98%
Storage at -20°C 3 years Powder
CAS No. 58-33-3
Synonyms 0
Chemical Name 10-[2-(dimethylamino)propyl]phenothiazine hydrochloride

Biological Activity

Promethazine HCl is a potent histamine H1 receptor antagonist.


Solubility (25°C)* In vitro DMSO 64 mg/mL (199.45 mM)
Water 64 mg/mL (199.45 mM)
Ethanol 34 mg/mL (105.95 mM)
* <1 mg/ml means slightly soluble or insoluble.
* Please note that Adooq tests the solubility of all compounds in-house, and the actual solubility may differ slightly from published values. This is normal and is due to slight batch-to-batch variations.

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