1-Methyl-L-histidine

1-甲基-L-组氨酸

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. It is also known as 3-(1-Methylimidazol-4-yl)-L-alanine, Ntau-Methyl-L-histidine and Nτ-Methyl-L-histidine. 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-22342-3
Molecular Formula
C7H11N3O2
Chinese Name
1-甲基-L-组氨酸
Molecular Weight
169.181 g/mol
Category
Organic Acids
Last updated
8/21/2026

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Physicochemical Properties

Melting Point~240 °C (dec.)(lit.)
Boiling Point415.0±35.0 °C at 760 mmHg
Density1.4±0.1 g/cm3
Flash Point204.8±25.9 °C

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.

Data compiled from public chemical databases 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-22342-3 (accessed 2026-10-23).

Data for reference only; verify specifications, grades and regulatory status with suppliers before purchase.