Description

(3S)-3-[[(1S)-1-carbamoyl-2-(1H-indol-3-yl)ethyl]carbamoyl]-3-[[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-3-carbamoyl-2-[[(2S)-4-methyl-2-[[(2S)-5-oxopyrrolidine-2-carbonyl]amino]pentanoyl]amino]propanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-3-hydroxy-propanoyl]pyrrolidine-2-carbonyl]amino]propanoic acid is a complex, high-purity peptide derivative of significant interest in advanced pharmaceutical research and development. Its intricate molecular architecture, featuring multiple chiral centers and functional groups, makes it a critical building block for synthesizing novel therapeutic agents. This compound is primarily utilized by pharmaceutical R&D teams and contract research organizations (CROs) focused on peptide-based drug discovery.

Application

• Pharmaceutical Intermediate: Serves as a key synthetic precursor in the development of novel peptide therapeutics and enzyme inhibitors.
• Biochemical Research: Used as a high-purity reference standard or substrate in enzymatic and receptor-binding studies.
• Drug Discovery: Employed in medicinal chemistry programs for structure-activity relationship (SAR) studies and lead optimization.
• Peptide Synthesis: Acts as a specialized amino acid derivative for solid-phase or solution-phase peptide synthesis (SPPS).
• Proteomics & Biomarker Research: May be utilized in the study of protein-protein interactions and cellular signaling pathways.
• Academic Research: Used in university and institutional labs for advanced studies in organic chemistry and peptide science.

Basic Information

Item	Details
Product Name	(3S)-3-[[(1S)-1-carbamoyl-2-(1H-indol-3-yl)ethyl]carbamoyl]-3-[[(2S)-1-[(2S)-2-[[(2S)-2-[[(2S)-3-carbamoyl-2-[[(2S)-4-methyl-2-[[(2S)-5-oxopyrrolidine-2-carbonyl]amino]pentanoyl]amino]propanoyl]amino]-3-(4-hydroxyphenyl)propanoyl]amino]-3-hydroxy-propanoyl]pyrrolidine-2-carbonyl]amino]propanoic acid
CAS No.	134599-16-9
Molecular Formula	C44H57N9O13
Molecular Weight	919.98 g/mol
Synonyms	L-156,373; L 156373; L156373; Cyclo(-L-Tyr-D-Trp-L-Val-L-Asn-L-Leu); [Cyclo(2-6)]-Somatostatin-14 (6-10) fragment; c[YwVNl]; c[Tyr-D-Trp-Val-Asn-Leu]; Cyclic pentapeptide L-156,373; Somatostatin cyclic pentapeptide analog
EINECS	Contact for details

Quality Control

This high-value peptide derivative is manufactured under strict quality control protocols to ensure batch-to-batch consistency and purity suitable for research applications. Our quality assurance includes comprehensive analytical characterization using HPLC, MS, and NMR to confirm identity and purity. A detailed Certificate of Analysis (COA) is provided with each batch, documenting critical quality attributes. We adhere to cGMP principles where applicable to support our clients' regulatory requirements.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below in a dedicated freezer. This compound is hygroscopic (moisture-sensitive); ensure containers are sealed under an inert atmosphere or with desiccant to prevent degradation. Allow the sealed vial to equilibrate to room temperature before opening to minimize moisture ingress.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC)	Conforms to reference standard
Identification (MS)	Conforms to structure
Purity (HPLC)	≥ 95.0%
Water Content (KF)	≤ 5.0%
Residual Solvents (GC)	Meets ICH Q3C guidelines
Specific Rotation	Contact for details

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