Molekula
L-Carnosine
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 2000 · Listed pack sizes are a starting point — we manufacture, source and repack to the quantity you need
L-Carnosine is a dipeptide composed of beta-alanine and histidine, naturally occurring in muscle and brain tissues. It functions as an antioxidant, pH buffer, and potential anti-aging agent in biological systems. Available with a CAS number of 305-84-0, molecular formula C9H14N4O3, and molecular weight 226.23 g/mol. Stored at 2 to 8 °C. Molekula supplies L-Carnosine from research to bulk quantities with full documentation and ISO 9001:2015 traceability.
Example image for illustration only. Other packaging and pack sizes are available.
Pricing & pack sizes
These pack sizes aren't a limit. Molekula manufactures, sources and repacks to order — if you need 500 kg and only see 1 kg listed, . We quote from grams to multi-tonne.
Need a different size? Add the nearest pack and change the size in your basket — we price it at the same rate per unit.
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5 g — £37.60 per pack ex VAT · £45.12 inc. VAT
Need a different quantity or pack?
Tell us how much you need and when — drums, IBCs, sacks or a one-off bulk lot. We'll manufacture or source it and come back with a price.
Prices exclude VAT/sales tax and shipping.
Specifications
| Property | Value |
|---|---|
| Appearance | White powder |
| Melting Point | 243 - 263℃ |
| Specific rotation | +21 +/- 2 |
| Heavy metals | ≤15ppm |
| Loss on Drying | ≤1.0% |
| Assay | ≥98.0% |
Storage & handling
| Property | Value |
|---|---|
| Storage Temperature | 2 to 8 °C |
| Acidity | Neutral |
Literature values
Published physical properties of the substance, not batch specifications.
| Property | Value |
|---|---|
| Melting Point | 253 - 256 °C |
Source: PubChem CID 439224 (Human Metabolome Database (HMDB))
Identification
| Property | Value |
|---|---|
| SKU | 71275557 |
| CAS Number | 305-84-0 |
| IUPAC Name | (2S)-2-(3-aminopropanoylamino)-3-(1H-imidazol-5-yl)propanoic acid |
| EC Number | 206-169-9 |
| Molecular Formula | C9H14N4O3 |
| Molecular Weight | 226.23 |
| Exact Mass | 226.1066 |
| SMILES | C1=C(NC=N1)C[C@@H](C(=O)O)NC(=O)CCN |
| InChIKey | CQOVPNPJLQNMDC-ZETCQYMHSA-N |
| InChI | InChI=1S/C9H14N4O3/c10-2-1-8(14)13-7(9(15)16)3-6-4-11-5-12-6/h4-5,7H,1-3,10H2,(H,11,12)(H,13,14)(H,15,16)/t7-/m0/s1 |
| PubChem CID | 439224 |
| REACH Code | Y113 |
| TSCA Listed | Yes |
| HTS Code | 29332990 |
| Tariff Code | 2933299090 |
Safety & GHS
Precautionary statements
- P264 Wash thoroughly after handling
- P280 Wear protective gloves/protective clothing/eye protection/face protection
- P308+313 IF exposed or concerned: Get medical advice/attention
Documents
Safety Data Sheets (SDS)
Available in English, French, German, Italian, Spanish.
Certificate of Analysis (CoA) by batch
Enter a lot or batch number to retrieve the CoA for that specific batch. We can generate one from spec data if no PDF is on file.
Synonyms
- (2S)-2-(3-aminopropanamido)-3-(1H-imidazol-4-yl)propanoic acid
- beta-Alanyl-L-histidine
- Carnosine
- Ignotine
- Karnozin
- Karnozzn
- L-Histidine, beta-alanyl-
- L-HISTIDINE, N-beta-ALANYL-
- N-beta-alanyl-L-histidine
- Nalpha-(beta-alanyl)-L-histidine
Frequently asked questions
What is L-Carnosine used for?
L-Carnosine is used in research and development for studies related to antioxidant activity, anti-aging, and neuroprotection.
What is the chemical formula and molecular weight of L-Carnosine?
The formula is C9H14N4O3 with a molecular weight of 226.23 g/mol.
How should L-Carnosine be stored?
Store at 2 to 8 °C to maintain stability and prevent degradation.
What grade of L-Carnosine does Molekula supply?
Molekula supplies L-Carnosine in research-grade purity suitable for laboratory use.
Can Molekula supply L-Carnosine in bulk quantities?
Yes, Molekula can supply L-Carnosine in bulk; please contact our sales team for volume pricing and availability.
What documentation comes with an order of L-Carnosine?
Each order includes a Certificate of Analysis (CoA) and safety data sheet (SDS) with the shipment.
Ready to order or need a custom pack?
Tell us the product, grade, and quantity — Molekula usually responds within one working day with pricing and lead time.