L-Carnosine
Also known as: Carnosine, beta-Alanyl-L-histidine, N-beta-Alanyl-L-histidine, H-beta-Ala-His-OH, (2S)-2-(3-aminopropanamido)-3-(1H-imidazol-5-yl)propanoic acid, Ignotine, EINECS 206-169-9, MFCD00005207
L-Carnosine (CAS 305-84-0) is a compound in the Pharma Intermediates category listed in the Jingsj chemical database. It has the molecular formula C9H14N4O3 and a molecular weight of 226.232 g/mol. Key properties include a melting point of 253 °C (dec.)(lit.), a boiling point of 656.2±55.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 350.7±31.5 °C. It is listed by 1 supplier; request a quote for pricing. Record last updated Aug 21, 2026.
- CAS No.
- 305-84-0
- Jingsj CID
- J-5474-0
- Molecular Formula
- C9H14N4O3
- Molecular Weight
- 226.232 g/mol
- Category
- Pharma Intermediates
- Last updated
- 8/21/2026
| Supplier | Purity / Pack | Base Price | Unit Price | Origin | |
|---|---|---|---|---|---|
Made to Order | - | - | CN China |
Physicochemical Properties
| Melting Point | 253 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 656.2±55.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 350.7±31.5 °C |
| Exact Mass | 226.106583 |
| PSA | 121.10000 |
| LogP | -2.17 |
| Vapor Pressure | 0.0±2.1 mmHg at 25°C |
| Refractive Index | 1.591 |
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Hipkiss AR, et al. Would carnosine or a carnivorous diet help suppress aging and associated pathologies? Ann N Y Acad Sci. 2006 May;1067:369-74. [2]. Guney Y, et al. Carnosine may reduce lung injury caused by radiation therapy. Med Hypotheses. 2006;66(5):957-9. |
Customs & Trade Information
| HS Code | 2933290090 |
|---|---|
| Summary | 2933290090. other compounds containing an unfused imidazole ring (whether or not hydrogenated) in the structure. VAT:17.0%. Tax rebate rate:13.0%. . MFN tariff:6.5%. General tariff:20.0% |
Frequently Asked Questions
What is the CAS number of L-Carnosine?
The CAS number of L-Carnosine is 305-84-0.
What are the molecular formula and molecular weight of L-Carnosine?
L-Carnosine has molecular formula C9H14N4O3 and molecular weight 226.232 g/mol.
Which suppliers offer L-Carnosine?
1 supplier(s) listed; request a quote for pricing.
What are the upstream and downstream products of L-Carnosine?
For L-Carnosine, Upstream Products: L-Histidine, Carbon, beta-Alanine; Downstream Products: L-Histidine, beta-Alanine.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "L-Carnosine (CAS 305-84-0)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-5474-0 (accessed 2026-11-06).
Data for reference only; verify product details with suppliers before purchase.