DL-Carnitine

CAS Number
406-76-8
EC Number
206-976-6

What is DL-Carnitine?

DL-Carnitine (CAS 406-76-8) is the racemic form of carnitine, a quaternary ammonium compound.

Where is DL-Carnitine used?

  • Pharmaceutical manufacturing: synthetic precursor and analytical reference material in production and quality control of L-Carnitine-based drug substances
  • Nutritional supplements: for products where racemic composition is acceptable under regional regulatory frameworks
  • Cosmetics: stabilizing and antioxidant-active ingredient in skin-conditioning creams and anti-aging topicals
  • Animal feed: nutrient additive in aquaculture and livestock feed supporting metabolic function
  • It also serves as a reference standard, synthetic intermediate, or cost-effective ingredient where stereospecificity is not required.

Good to know: Unlike the biologically active L-form, the DL-racemate serves primarily as a reference standard, synthetic intermediate, or cost-effective ingredient where stereospecificity is not a requirement.

Commercial specifications

  • Bulk quantities standard for industrial procurement; smaller lots for laboratory and quality control

Other Names (Synonyms)

Carnitine|3-hydroxy-4-(trimethylazaniumyl)butanoate

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What are the physical properties of DL-Carnitine?

Melting Point 197-198 °C (decomp)
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