Molekula
L-Carnosine
Supplying 4,500+ customers in over 80 countries
ISO 9001:2015 & ISO 14001:2015 certified · Supplying laboratories and industry since 1999 · 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
In stock — same-day dispatch
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.
Quality certificates
Molekula Group is certified to ISO 9001:2015 (quality) and ISO 14001:2015 (environmental management), audited by a UKAS-accredited body. Both certificates are valid to 17 May 2028.
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.