Description

Thymalfasin is a synthetic peptide hormone with immunomodulatory properties, structurally identical to the naturally occurring thymosin α-1. This high-purity active pharmaceutical ingredient (API) is critical for advanced therapeutic formulations targeting immune system deficiencies. It is essential for manufacturers in the biopharmaceutical and research sectors developing treatments for chronic viral infections, certain cancers, and as a vaccine adjuvant.

Application

• Active Pharmaceutical Ingredient (API) in immunotherapy drugs for hepatitis B and C.
• Key component in oncology supportive care formulations to enhance immune response.
• Research-grade material for immunology and virology studies in academic and institutional labs.
• Use in vaccine adjuvants to improve efficacy and immune system stimulation.
• Manufacturing of injectable solutions and lyophilized powders for clinical use.
• Process development and analytical method validation in QC/QA laboratories.

Basic Information

Product Name	Thymalfasin
CAS No.	69440-99-9
Molecular Formula	C129H215N33O55
Molecular Weight	3108.3 g/mol
Synonyms	Thymosin α-1; Thymosin α1; Tα1; Zadaxin; Synthetic thymosin α-1; Thymalfasin acetate; N-acetyl-seryl-aspartyl-lysyl-valyl-tyrosyl-valyl-histidyl-glycyl-lysyl-lysyl-phenylalanyl-valyl-arginyl-arginyl-histidyl-asparaginyl-valyl-isoleucyl-glutamyl-alanyl-glutamyl-tyrosyl-leucine
EINECS	Contact for details

Quality Control

Our Thymalfasin is manufactured under strict quality management systems. Each batch is subjected to comprehensive analytical testing including HPLC for purity, peptide mapping for sequence confirmation, and stringent tests for residual solvents and endotoxins to ensure it meets pharmaceutical-grade standards. Certificates of Analysis (COA) with full traceability are provided for every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store at controlled room temperature (15-25°C) or refrigerated (2-8°C) as specified. This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment. For long-term storage, consider desiccated conditions.

Specification

Item	Specification
Appearance	White to off-white lyophilized powder
Identification (HPLC/MS)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Related Peptides (HPLC)	≤ 2.0% total
Water Content (KF)	≤ 5.0%
Acetic Acid Content (HPLC)	5.0% - 12.0%
Bacterial Endotoxins	< 10 EU/mg
Residual Solvents (GC)	Meets ICH Q3C guidelines

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