CAS No. 99300-78-4

Batch: Purity:99.98
Venlafaxine HCl Chemical Structure
Chemical Structure
Check the Venlafaxine HCl product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 1-[2-(dimethylamino)-1-(4-methoxyphenyl)ethyl]cyclohexan-1-ol;hydrochloride
CAS Number 99300-78-4
Molecular Formula

C17H27NO2·HCl

Molecular Weight (MW) 313.86
SMILES CN(C)CC(C1=CC=C(C=C1)OC)C2(CCCCC2)O.Cl
InChIKey QYRYFNHXARDNFZ-UHFFFAOYSA-N

Ordering Information

Biological Activity

Venlafaxine HCl is a potent serotonin-norepinephrine reuptake inhibitor (SNRI) that selectively inhibits the reuptake of serotonin (5-HT) and norepinephrine (NE). By blocking the serotonin transporter (SERT) and norepinephrine transporter (NET), it enhances monoaminergic neurotransmission in the central nervous system. This inhibition increases extracellular levels of 5-HT and NE, modulating downstream synaptic signaling pathways involved in neuronal communication. [1]

How to Prepare Stock Solution?

Concentration Volume Mass
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Solubility

Batch:
All in vitro solubility values are batch-tested experimental data (non-literature values).
Solvent Solubility & Note
DMSO 63 mg/mL (200.72 mM)
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO. The recommended stock concentration is 10 mM in DMSO.)
Water 63 mg/mL
Ethanol 63 mg/mL
FAQ
Q: Why does a DMSO stock precipitate in media/saline?
A: It is caused by unheated aqueous media (supersaturation), local solvent shock, or incorrect mixing sequence.
How to fix it?
  • Preheat media/saline to 37°C.
  • Mix rapidly (pipette/vortex) upon addition.
  • For complex mixes, always add the aqueous phase last.
  • Re-dissolve minor precipitates with a 37°C water bath and sonication (≤30 min).

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Note: Technical data last updated: Sep 1, 2026.