1-Methyl-L-histidine
Also known as: 3-(1-Methylimidazol-4-yl)-L-alanine, Ntau-Methyl-L-histidine, Nτ-Methyl-L-histidine, 1-N-Methyl-L-histidine, L-1-Methylhistidine, N(tele)-methyl-L-histidine, N1-Methyl-L-histidine, tau-methyl-L-histidine, Nτ-Methyl-His-OH, 3-(1-Methyl-1H-imidazol-4-yl)-L-alanine, (2S)-2-amino-3-(1-methylimidazol-4-yl)propanoic acid, (S)-2-Amino-3-(1-methyl-1H-imidazol-4-yl)propanoic acid, 1-Methylhistidine, 1-MHis, 1-Methyl-Histidine, H-His(1-Me)-OH, H-His(τ-Me)-OH, L-His(1-Me)-OH, L-His(Nim-Me)-OH
1-Methyl-L-histidine (CAS 332-80-9) is a compound in the Organic Acids category listed in the Jingsj chemical database. It has the molecular formula C7H11N3O2 and a molecular weight of 169.181 g/mol. Key properties include a melting point of ~240 °C (dec.)(lit.), a boiling point of 415.0±35.0 °C at 760 mmHg, a density of 1.4±0.1 g/cm3 and a flash point of 204.8±25.9 °C. No supplier offers are currently listed; request a quote. Record last updated Aug 21, 2026.
- CAS No.
- 332-80-9
- Jingsj CID
- J-22342-7
- Molecular Formula
- C7H11N3O2
- Molecular Weight
- 169.181 g/mol
- Category
- Organic Acids
- Last updated
- 8/21/2026
No offers for this compound yet.
Request a quotePhysicochemical Properties
| Melting Point | ~240 °C (dec.)(lit.) |
|---|---|
| Boiling Point | 415.0±35.0 °C at 760 mmHg |
| Density | 1.4±0.1 g/cm3 |
| Flash Point | 204.8±25.9 °C |
| Exact Mass | 169.085129 |
| PSA | 81.14000 |
| LogP | -1.31 |
| Vapor Pressure | 0.0±1.0 mmHg at 25°C |
| Refractive Index | 1.613 |
Activity & Biological Data
| Target | Human Endogenous Metabolite |
|---|---|
| Additional Information | [1]. Sjölin J, et al. Urinary excretion of 1-methylhistidine: a qualitative indicator of exogenous 3-methylhistidine and intake of meats from various sources. Metabolism. 1987 Dec;36(12):1175-84. |
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 1-Methyl-L-histidine?
The CAS number of 1-Methyl-L-histidine is 332-80-9.
What are the molecular formula and molecular weight of 1-Methyl-L-histidine?
1-Methyl-L-histidine has molecular formula C7H11N3O2 and molecular weight 169.181 g/mol.
What are the upstream and downstream products of 1-Methyl-L-histidine?
For 1-Methyl-L-histidine, Upstream Products: L-Histidine, iodomethane, Boc-His(Bom)-OH; Downstream Products: N'-Methyl-L-histidine methyl ester.
Data compiled from public chemical databases such as PubChem and supplier catalogs; supplier offers are provided by suppliers.
Last updated:
How to cite: Jingsj. "1-Methyl-L-histidine (CAS 332-80-9)". Jingsj Chemical Database. https://www.jingsj.com/compound/J-22342-7 (accessed 2026-11-09).
Data for reference only; verify product details with suppliers before purchase.