Description

Ac-Gln-Gln-Oh is a protected dipeptide derivative, specifically N-Acetyl-L-glutaminyl-L-glutamine. This high-purity synthetic peptide building block is essential for advanced research and development in peptide synthesis, offering precise control over molecular structure. It is primarily utilized by pharmaceutical researchers, biochemists, and fine chemical manufacturers engaged in the development of novel therapeutic peptides, biochemical probes, and specialized reagents.

Application

• Pharmaceutical Intermediate: Serves as a critical building block in the solid-phase or solution-phase synthesis of complex therapeutic peptides and peptidomimetics.
• Biochemical Research: Used in studies of peptide structure-activity relationships (SAR), enzyme substrates, and as a standard in analytical method development.
• Cosmetic Peptide Synthesis: A potential precursor in the manufacture of specialized bioactive peptides for cosmetic and dermatological applications.
• Academic & Industrial R&D: Employed in laboratories for the discovery and development of new chemical entities and biomaterials.
• Process Development: Acts as a model compound for optimizing large-scale peptide coupling and deprotection processes.

Basic Information

Product Name	Ac-Gln-Gln-Oh
CAS No.	69624-04-0
Molecular Formula	C₁₂H₂₀N₄O₆
Molecular Weight	316.31 g/mol
Synonyms	N-Acetyl-L-glutaminyl-L-glutamine; Ac-L-Gln-L-Gln-OH; N-Acetylglutaminylglutamine; Ac-Gln-Gln; Nα-Acetyl-L-glutaminyl-L-glutamine; L-Glutamine, N-acetyl-L-glutaminyl-; Ac-Q-Q-OH (Single-letter abbreviation)
EINECS	Contact for details

Quality Control

Our Ac-Gln-Gln-Oh is manufactured under strict quality management systems. Every batch undergoes comprehensive analytical testing, including HPLC for purity, chiral analysis, and identity confirmation. Certificates of Analysis (COA) detailing all specifications are provided to ensure traceability and compliance with your research or production requirements.

Storage

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

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to structure
Identification (HPLC)	Retention time matches reference
Purity (HPLC)	≥ 98.0%
Specific Rotation	-20° to -25° (c=1 in H₂O)
Water Content (KF)	≤ 1.0%
Heavy Metals	≤ 10 ppm

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