CAS No. 87-67-2

Batch: Purity:98.58
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Choline bitartrate Chemical Structure
Chemical Structure
Check the Choline bitartrate product page for in-depth specifications, including solubility, stock solutions, MOA, and working concentrations.

Chemical Information

IUPAC Name 2-hydroxyethyl(trimethyl)azanium;(2R,3R)-2,3,4-trihydroxy-4-oxobutanoate
CAS Number 87-67-2
Molecular Formula

C5H14NO.C4H5O6
Molecular Weight (MW) 253.25
SMILES C[N+](C)(C)CCO.C(C(C(=O)[O-])O)(C(=O)O)O
InChIKey QWJSAWXRUVVRLH-LREBCSMRSA-M

Biological Activity

Choline bitartrate is a bioavailable salt form of choline, an essential nutrient involved in phospholipid synthesis and neurotransmitter production. As a precursor to acetylcholine and phosphatidylcholine, choline plays a vital role in maintaining cell membrane integrity, hepatic lipid metabolism, and cholinergic signaling pathways. Adequate choline intake supports normal liver and kidney function while preventing hepatic steatosis and neurological dysfunction. [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
Water 50 mg/mL
DMSO Insoluble
(Moisture-contaminated DMSO may reduce solubility. Use fresh, anhydrous DMSO.)
Ethanol Insoluble
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).

Reference

[1] Zeisel SH, et al. Nutr Rev. 2009;67(11):615-23.

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