Description

9-L-Leucine-1-9-Kallidin CAS NO 71800-37-8 is a synthetic peptide fragment derived from the endogenous kinin, kallidin. This compound is a critical research-grade biochemical used as a reference standard and a key intermediate in the study of the kallikrein-kinin system. It is essential for scientists and manufacturers in the pharmaceutical and life science sectors who require high-purity peptides for method development, bioactivity studies, and analytical calibration.

Application

• Biochemical Research: Used as a reference standard in studies of bradykinin receptors, vascular permeability, and inflammatory pathways.
• Pharmaceutical Development: Serves as a key intermediate or analytical standard in the R&D of novel therapeutics targeting hypertension, inflammation, and pain.
• Diagnostic Assay Production: Employed in the development and calibration of immunoassays (e.g., ELISA) for kinin detection.
• Academic Research: A vital tool for universities and research institutes investigating cardiovascular physiology, neurobiology, and peptide metabolism.
• Quality Control: Used as a system suitability standard in analytical laboratories to validate HPLC and mass spectrometry methods for peptide analysis.

Basic Information

Product Name	9-L-Leucine-1-9-Kallidin
CAS No.	71800-37-8
Molecular Formula	C56H85N15O11
Molecular Weight	1120.4 g/mol
Synonyms	Kallidin (1-9); [Leu9]-Kallidin; Bradykinin, 9-L-leucine-; L-Leucine-Kallidin; Arg-Pro-Pro-Gly-Phe-Ser-Pro-Phe-Leu; H-Arg-Pro-Pro-Gly-Phe-Ser-Pro-Phe-Leu-OH; Kallidin I (human); Contact for details on additional aliases.
EINECS	Contact for details

Quality Control

Our 9-L-Leucine-1-9-Kallidin is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity, mass spectrometry for identity confirmation, and amino acid analysis. We provide full traceability and Certificates of Analysis (COA) are available for every shipment, ensuring compliance with research and development standards.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below in a dry environment. This product is hygroscopic (moisture-sensitive). Allow the vial to equilibrate to room temperature in a desiccator before opening to minimize moisture uptake.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC/MS)	Conforms to reference standard
Purity (HPLC)	≥ 95.0%
Single Impurity (HPLC)	≤ 2.0%
Water Content (KF)	≤ 5.0%
Peptide Content	≥ 80.0%
Solubility	Soluble in water, acetic acid, DMSO

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