L-Carnosine

CAS Number
305-84-0
EC Number
206-169-9

What is L-Carnosine?

L-Carnosine (CAS 305-84-0) is a naturally occurring dipeptide used as an antioxidant and stabilizing agent. Also marketed as Dragosine.

Where is L-Carnosine used?

  • Nutraceuticals and dietary supplements: incorporated into capsules, tablets and functional beverages for cognitive and muscle health
  • Pharmaceuticals: stabilizes active compounds against oxidative and carbonyl stress in oral and topical drug products
  • Personal care: anti-aging skin care that suppresses glycation-related degradation of skin proteins
  • Food: antioxidant in processed and functional food products
  • It protects sensitive ingredients and biological tissues from oxidative degradation.

Commercial specifications

  • Purity 98% and above

Other Names (Synonyms)

Carnosine zwitterion|Dragosine|(2S)-2-(3-aminopropanoylamino)-3-(1H-imidazol-5-yl)propanoic acid|Carnosine

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What are the physical properties of L-Carnosine?

Melting Point 260 °C
Boiling Point 367.84°C (rough estimate)
Density 0.224 g/cm³ (crystal) (crystals)
Appearance Crystalline
Color White
Odor Odorless
Form crystalline
Water Solubility almost transparency
Vapor Pressure 0Pa at 25℃
Refractive Index 21 ° (C=2, H2O)
Log P -3.8 at 22℃

Which trade and regulatory codes apply to L-Carnosine?

HS Code 29332900
Storage Class 11 - Combustible Solids
WGK (Germany) 2
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