Description

D-(+)-Neopterin is a high-purity biochemical compound of significant interest in advanced research and diagnostic applications. Its role as a sensitive marker for cellular immune activation makes it a critical reagent in immunology and clinical diagnostics. This product is essential for researchers and manufacturers in the pharmaceutical, biotechnology, and in-vitro diagnostic (IVD) kit development sectors seeking reliable, high-quality reference standards and raw materials.

Application

• Clinical Diagnostics: Key biomarker for the quantitative measurement of cellular immune activation in human serum, plasma, and urine.
• IVD Kit Manufacturing: Serves as a critical reference standard and calibrator in enzyme-linked immunosorbent assay (ELISA) and other immunoassay kits.
• Immunological Research: Used in studies investigating macrophage activity, T-cell mediated immunity, and the pathophysiology of viral infections, autoimmune diseases, and certain cancers.
• Pharmaceutical Development: Employed in drug discovery and development programs targeting immune system modulation and inflammatory pathways.
• Biochemical Research: Utilized as a precursor in the study of pteridine biosynthesis and metabolism.
• Academic & Contract Research: A fundamental reagent for universities and CROs conducting life science and medical research.

Basic Information

Product Name	D-(+)-Neopterin
CAS No.	2009-64-5
Molecular Formula	C9H11N5O4
Molecular Weight	253.22 g/mol
Synonyms	(R)-2-Amino-6-(1,2,3-trihydroxypropyl)-3H-pteridin-4-one; D-Neopterin; (R)-Neopterin; 6-D-Erythro-neopterin; D-erythro-Neopterin; Neopterin, D-; (+)-Neopterin
EINECS	217-913-6

Quality Control

Our D-(+)-Neopterin is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation (IR, UV), to ensure it meets the stringent requirements for research and diagnostic use. A detailed Certificate of Analysis (COA) is provided with every shipment, guaranteeing traceability and consistent batch-to-batch quality.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at a controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept in a desiccated environment to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Purity (HPLC)	≥ 98.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%
Specific Rotation	Contact for details

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