Memantine hydrochloride

CAS Number
41100-52-1
EC Number
255-219-6

What is Memantine hydrochloride?

Memantine hydrochloride (CAS 41100-52-1) is the salt form of memantine, an NMDA receptor antagonist active pharmaceutical ingredient used in the treatment of moderate-to-severe Alzheimer's disease.

Where is Memantine hydrochloride used?

  • Generic pharmaceutical manufacturers: active ingredient in immediate-release and extended-release tablet formulations for cognitive decline disorders
  • Contract development organizations: reference standard or bulk API for bioequivalence studies and formulation development
  • Compounding pharmacies: documented API for patient-specific preparations
  • Research institutions source pharmaceutical-grade material for investigational use.

Good to know: Standard supply grades include USP, EP (Ph. Eur.), and in-house pharmaceutical grades with full ICH-compliant documentation packages for regulatory submission. Certificates of Analysis, DMF references, and impurity profiles are standard documentation expectations in regulated markets.

Commercial specifications

  • Bulk quantities from laboratory-scale to commercial API lots
  • ICH-compliant documentation packages

Other Names (Synonyms)

memantine.HCl|3,5-dimethyltricyclo(3.3.1.1(3,7))decan-1-amine hydrochloride|3,5-dimethyladamantan-1-aminium chloride|3,5-Dimethyl-1-adamantanamine hydrochloride|1-Amino-3,5-dimethyladamantane hydrochloride|3,5-dimethyladamantan-1-amine hydrochloride|Akatinol|Namenda XR

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What are the physical properties of Memantine hydrochloride?

Melting Point 290-295 °C
Appearance Crystalline Solid
Color White
Form Fine Powder
Water Solubility Soluble in water (100mM)

How is Memantine hydrochloride classified and handled safely? Learn More

Warning
GHS07· Irritant

Hazard Statements

H302 Harmful if swallowed
H312 Harmful in contact with skin
H315 Causes skin irritation
H319 Causes serious eye irritation

Precautionary Statements

P261 Avoid breathing dust/fume/gas/mist/vapours/spray.
P264 Wash … thoroughly after handling.
P270 Do not eat, drink or smoke when using this product.
P271 Use only outdoors or in a well-ventilated area.

Which trade and regulatory codes apply to Memantine hydrochloride?

HS Code 29213000
Storage Class 11 - Combustible Solids
WGK (Germany) 3
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