Description

Somatotropin (177-191) is a specific bioactive fragment of human growth hormone (hGH), representing amino acid residues 177 to 191. This synthetic peptide is of significant interest for its targeted biological activity and is widely utilized in advanced biochemical and pharmaceutical research. It serves as a critical raw material for researchers and developers in the fields of endocrinology, metabolic studies, and peptide-based therapeutic discovery. The compound is supplied under stringent quality controls to ensure consistency and reliability for sensitive applications.

Application

• Biomedical Research: Used as a key reagent in studies investigating the structure-activity relationships of growth hormone fragments.
• Endocrinology Studies: Applied in in vitro and in vivo models to understand localized metabolic effects and signal transduction pathways.
• Pharmaceutical Development: Serves as a reference standard or starting material in the R&D of novel peptide-based therapeutics targeting metabolism.
• Diagnostic Applications: Potential use in the development of immunoassays and diagnostic kits for growth hormone-related analysis.
• Academic & Institutional Research: Supplied to universities and research institutes for fundamental studies in biochemistry and molecular biology.

Basic Information

Product Name	Somatotropin (177-191)
CAS No.	66004-58-8
Molecular Formula	C78H122N22O22S2
Molecular Weight	1816.1 g/mol
Synonyms	hGH (177-191); Growth Hormone Fragment (177-191); AOD9604; Somatropin (177-191); GH 177-191; Human Growth Hormone 177-191; Lipolytic Fragment; Tyr-Lys-Arg-Leu-Phe-Asp-Asn-Ala-Glu-Leu-Glu-Lys-Glu-Ala
EINECS	Contact for details

Quality Control

Our Somatotropin (177-191) is manufactured under controlled conditions to ensure high purity and batch-to-batch consistency. Quality is verified through a comprehensive suite of analytical techniques including HPLC, MS, and amino acid analysis. A Certificate of Analysis (COA) detailing purity, identity, and related substances is provided with each batch to support your research and regulatory documentation needs.

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 before opening to minimize moisture uptake. For long-term storage, keep desiccated.

Specification

Item	Specification
Appearance	White to off-white lyophilized powder
Identification (HPLC/MS)	Conforms to reference standard
Purity (HPLC)	≥ 95.0%
Single Impurity (HPLC)	≤ 2.0%
Peptide Content	≥ 80.0%
Water Content (KF)	≤ 8.0%
Acetate Content (IC)	≤ 15.0%

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