Description

Chromogranin A (124-143) (Bovine) is a defined peptide fragment derived from the bovine chromogranin A protein. This specific sequence is of significant value in biochemical and pharmaceutical research for studying protein-protein interactions, secretory granule function, and as a reference standard. It is primarily utilized by research institutions and diagnostic developers focused on neuroendocrine research and assay development.

Application

• Biochemical Research: Used as a tool peptide for studying the structure, function, and processing of chromogranin A and related granins.
• Immunoassay Development: Serves as a critical antigen or standard for the development and calibration of ELISA and RIA kits targeting chromogranin A epitopes.
• Antibody Production: Acts as an immunogen for generating specific polyclonal or monoclonal antibodies against the Chromogranin A (124-143) region.
• Neuroendocrine Marker Studies: Employed in research investigating neuroendocrine tumors, secretion mechanisms, and cellular signaling pathways.
• Quality Control Reference: Functions as a high-purity reference standard in pharmaceutical QC laboratories for related peptide-based products.

Basic Information

Product Name	Chromogranin A (124-143) (Bovine)
CAS No.	133633-11-1
Molecular Formula	C102H164N30O31S
Molecular Weight	2387.6 g/mol
Synonyms	Bovine Chromogranin A Fragment 124-143; CgA (124-143), bovine; Chromogranin A Peptide (124-143); pGlu-Leu-Pro-Gln-Glu-Val-Pro-Gly-Gln-Glu-Glu-Glu-Glu-Ala-Tyr-Gly-Ala-Trp-Pro; Chromogranin-A (124-143); CGA 124-143
EINECS	Contact for details

Quality Control

Our products undergo rigorous quality testing to ensure compliance with exacting research and diagnostic standards. Each batch is characterized using advanced analytical techniques including HPLC and mass spectrometry to confirm identity and purity. Certificates of Analysis (COA) detailing purity, peptide content, and analytical data are available upon request.

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 lyophilized powder
Identification (HPLC & MS)	Conforms to reference standard
Purity (HPLC)	≥ 95%
Peptide Content	≥ 80%
Single Impurity (HPLC)	≤ 1.0%
Water Content (KF)	≤ 5.0%
Amino Acid Analysis	Conforms to theoretical composition

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