Description

D-Pro-Gln-Gln-D-Trp-Phe-D-Trp-Leu-Met-Nh2 is a synthetic nonapeptide amide with the CAS number 81039-85-2. This compound is a key intermediate in advanced pharmaceutical research, particularly in the development of targeted therapeutic agents. It is primarily required by biotechnology and pharmaceutical companies engaged in peptide-based drug discovery and development.

Application

• Pharmaceutical Research & Development: As a critical intermediate in the synthesis of novel peptide-based drugs and diagnostic agents.
• Bioconjugation & Probe Development: For creating labeled peptides used in biochemical assays, imaging, and target validation studies.
• Structure-Activity Relationship (SAR) Studies: To investigate the biological activity and optimize the pharmacokinetic profile of peptide sequences.
• Reference Standard: Serves as a high-purity analytical standard for quality control and method validation in peptide manufacturing.
• Academic & Institutional Research: Used in universities and research institutes for fundamental studies in peptide chemistry and neuroendocrinology.

Basic Information

Product Name	D-Pro-Gln-Gln-D-Trp-Phe-D-Trp-Leu-Met-Nh2
CAS No.	81039-85-2
Molecular Formula	C62H78N14O11S
Molecular Weight	1227.44 g/mol
Synonyms	D-Proline-L-glutaminyl-L-glutaminyl-D-tryptophyl-L-phenylalanyl-D-tryptophyl-L-leucyl-L-methioninamide; D-Pro-Gln-Gln-D-Trp-Phe-D-Trp-Leu-Met-amide; D-Pro-Gln-Gln-D-Trp-Phe-D-Trp-Leu-Met-NH2; Nonapeptide amide (D-Pro1, D-Trp4,7); Somatostatin analog intermediate; SRIF analog fragment; Growth hormone release-inhibiting factor analog
EINECS	Contact for details

Quality Control

Our peptide products are manufactured under strict quality management systems. Each batch of D-Pro-Gln-Gln-D-Trp-Phe-D-Trp-Leu-Met-Nh2 undergoes comprehensive analytical testing, including HPLC, MS, and NMR, to ensure identity, purity, and consistency. Certificates of Analysis (COA) detailing all specifications are provided with every shipment. We support cGMP-compliant production for pharmaceutical applications.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below in a freezer. This product is hygroscopic (moisture-sensitive) and should be kept under desiccant. Allow the vial to equilibrate to room temperature in a dry environment before opening to minimize moisture uptake.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms to reference standard
Identification (MS)	Conforms to theoretical mass
Purity (HPLC)	≥ 95.0%
Assay (HPLC)	≥ 97.0%
Water Content (KF)	≤ 5.0%
Single Impurity (HPLC)	≤ 2.0%

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