Description

Somatotropin (32-38) CAS NO 97305-48-1 is a specific bioactive fragment of human growth hormone (hGH), representing the amino acid sequence from positions 32 to 38. This peptide is of significant interest in biochemical and pharmaceutical research due to its role in receptor binding and biological activity studies. It serves as a critical reference standard and intermediate for researchers and developers in the fields of endocrinology, peptide therapeutics, and diagnostic assay development.

Application

• Biochemical Research: Used as a reference standard for studying the structure-activity relationship (SAR) of human growth hormone.
• Pharmaceutical Development: Serves as a key intermediate or building block in the synthesis of novel peptide-based therapeutics and analogs.
• Diagnostic Reagents: Employed in the development and calibration of immunoassays and other diagnostic tests for growth hormone-related disorders.
• Academic Studies: Utilized in university and institutional labs for fundamental research in endocrinology and peptide science.
• Quality Control: Acts as a high-purity standard for the quality assessment of related peptide products and formulations.

Basic Information

Product Name	Somatotropin (32-38)
CAS No.	97305-48-1
Molecular Formula	C35H59N11O10
Molecular Weight	801.92 g/mol
Synonyms	hGH (32-38); Human Growth Hormone Fragment (32-38); Growth Hormone (32-38); Somatropin (32-38); GH (32-38); hGH 32-38 peptide; Tyr-Asp-Leu-Leu-Arg-Ile-Ser; YDLLRIS
EINECS	Contact for details

Quality Control

Our Somatotropin (32-38) is produced under stringent conditions to ensure the highest standards of purity and consistency. Each batch undergoes comprehensive analytical testing, including HPLC for purity, MS for identity confirmation, and amino acid analysis. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and compliance with research-grade specifications.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below in a dry environment. The product is hygroscopic (moisture-sensitive). For long-term storage, keep desiccated. Allow the vial to reach room temperature before opening to minimize moisture absorption.

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%
Amino Acid Composition	Within ±10% of theoretical
Water Content (KF)	≤ 5.0%

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