L(+)-Histidine ≥99%, crystalline powder

Supplier: MP Biomedicals

Synonyms: L-3-Imidazol-4-ylalanine, (S)-(+)-Histidine, (S)-2-Amino-3-(4-imidazolyl)propionic acid, H-His-OH, NSC 137773, L-Histidine

0210195425 0210195410 0210195480 0210195490 0210195491
ICNA0210195425EA 233 SGD
ICNA0210195425 ICNA0210195410 ICNA0210195480 ICNA0210195490 ICNA0210195491
L(+)-Histidine ≥99%, crystalline powder
L(+)-Histidine

L-histidine is an essential amino acid with a basic side chain, and is hydrophilic in character


Precursor of histamine by action of histidine decarboxylase.


It contains an imidazole group in the side chain. Histidine is biosynthesized from ATP, 5-phosphoribosyl-1-pyrophosphate (PRPP), and glutamine. In turn, histidine is degraded to glutamate by histidase, urocanase, and imidazolonepropionase via the formation of urocanate, 4-imidazolone 5-propionate, and N-formiminoglutamate.


L-Histidine has been used to study cultures of the human T-lymphoblastic leukemia cell line MOLT-4 to study modulation of apoptosis. Exogenous histidine has been shown to enhance the biosynthesis of lovastatin by cultured Aspergillus terreus. Histidine has been utilized as a single nitrogen source to probe swarming in Pseudomonas aeruginosa on agar. It is generally used in media preparation.


Soluble 50 mg/ml in 0,5 M HCl.

Formula: C₆H₉N₃O₂
MW: 155,16 g/mol
Storage Temperature: Ambient
MDL Number: MFCD00064315
CAS Number: 71-00-1
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