Description

L-Histidine, L-Histidyl-L-Histidyl- is a high-purity dipeptide derivative of the essential amino acid L-Histidine. This compound is valued for its role as a specialized biochemical building block and precursor in advanced research and synthesis. It is primarily sought after by manufacturers and researchers in the pharmaceutical, nutraceutical, and life science sectors for developing peptide-based therapeutics, diagnostic agents, and high-value biochemicals.

Application

• Pharmaceutical Intermediate: Used in the research and synthesis of novel peptide drugs and active pharmaceutical ingredients (APIs).
• Biochemical Research: Serves as a critical reagent and standard in proteomics, enzymology, and metabolic pathway studies.
• Nutraceutical Development: Investigated for incorporation into specialized amino acid supplements and clinical nutrition products.
• Cosmetic Peptides: Potential application in the formulation of advanced skincare products for its bioactive properties.
• Diagnostic Agent Synthesis: Used in the production of labeled compounds and contrast agents for medical imaging.

Basic Information

Product Name	L-Histidine, L-Histidyl-L-Histidyl-
CAS No.	64134-27-6
Molecular Formula	C12H18N6O3
Molecular Weight	294.32 g/mol
Synonyms	L-Histidyl-L-histidine; Histidylhistidine; H-His-His-OH; Dipeptide H-HH; L-Histidine dipeptide; (S)-2-Amino-3-(1H-imidazol-4-yl)propanoic acid-(S)-2-amino-3-(1H-imidazol-4-yl)propanoic acid; Histidine homodimer
EINECS	Contact for details

Quality Control

Our L-Histidine, L-Histidyl-L-Histidyl- is manufactured under strict quality management systems. Each batch is subjected to comprehensive analytical testing, including HPLC for purity and identity confirmation, to ensure it meets exacting standards suitable for research and cGMP manufacturing. Certificates of Analysis (COA) with detailed batch-specific results are provided to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This material is hygroscopic (moisture-sensitive) and must be kept under dry conditions to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms
Assay (HPLC)	≥ 98.0%
Specific Rotation	Contact for details
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 2.0%

Note: Specifications can be tailored. Please contact us for the detailed technical data sheet of a specific grade.