L-Carnosine

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L-Carnosine (CAS No. 305-84-0) is a white crystalline dipeptide made from β-alanine and L-histidine, with a molecular weight of 226.23 g/mol and 99% min purity. Commonly used in cell culture media, it helps protect cells from oxidative stress by reducing ROS and stabilizing cellular activity. Its antioxidant role makes it ideal for demanding bioprocessing conditions, where maintaining cell health and productivity is essential. Supplied in 25 kg fiber drums, it should be stored at –20 °C.

CAS No.: 305-84-0
Molecular Formula: C₉H₁₄N₄O₃
Purity: 99% min

Appearance White crystal
Molecular Weight 226.23 g/mol
Density 1.4 ± 0.1 g/cm³
Boiling Point 656.2 ± 55.0 °C at 760 mmHg
Melting Point 253 °C (decomposition, lit.)
Flash Point 350.7 ± 31.5 °C
Packaging 25 kg per fibre drum
Storage Conditions Store at –20 °C
Customs Code 2933290090

Product Name
1. L-Carnosine;
2. (2S)-2-(3-aminopropanamido)-3-(1H-imidazol-5-yl)propanoic acid;
3. N-β-Alanyl-L-histidine; β-Alanyl-L-histidine;
4. N-(β-Alanyl)-L-histidine
Production capacity 3 tons/month
Applications Cell culture media raw material

What is the role of L-Carnosine in bioprocessing media?

L-Carnosine combines β-alanine and L-histidine, offering antioxidant benefits that help neutralize ROS and reduce oxidative damage during cell culture. It helps maintain cell viability and consistency in production, especially in high-stress or chemically defined systems.

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