Description

For-Met-Leu-Tyr-Oh Dcha is a protected peptide derivative, specifically the dicyclohexylamine (DCHA) salt of the tetrapeptide For-Met-Leu-Tyr-OH. This compound serves as a crucial high-purity building block in solid-phase and solution-phase peptide synthesis, enabling the controlled elongation of peptide chains. It is primarily utilized by pharmaceutical research organizations and fine chemical manufacturers developing therapeutic peptides, diagnostic agents, and biochemical tools.

Application

• Pharmaceutical Intermediate: Key raw material for the synthesis of complex therapeutic peptide sequences targeting metabolic and oncological disorders.
• Biochemical Research: Used in academic and industrial R&D for studying protein-protein interactions, enzyme substrates, and signal transduction pathways.
• Peptide Library Production: Essential component in the combinatorial synthesis of peptide libraries for high-throughput screening and drug discovery.
• API Development: Serves as a fragment in the multi-step synthesis of Active Pharmaceutical Ingredients (APIs) for preclinical and clinical development.
• Diagnostic Reagent Synthesis: Employed in creating labeled peptides for use in immunoassays and molecular imaging probes.

Basic Information

Product Name	For-Met-Leu-Tyr-Oh Dcha
CAS No.	100929-79-1
Molecular Formula	C38H62N6O7S
Molecular Weight	746.99 g/mol
Synonyms	N-Formyl-L-methionyl-L-leucyl-L-tyrosine DCHA salt; For-Met-Leu-Tyr-OH · DCHA; FMLY-OH DCHA salt; N-Formylmethionylleucyltyrosine dicyclohexylamine salt; Formyl-Met-Leu-Tyr-OH Dicyclohexylammonium Salt; FMLT DCHA; Protected Tetrapeptide FMLY DCHA Salt
EINECS	Contact for details

Quality Control

Our For-Met-Leu-Tyr-Oh Dcha is manufactured under strict quality systems to ensure batch-to-batch consistency for critical research and production applications. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing purity, identity, and impurity profiles. We adhere to cGMP guidelines where applicable, and our quality protocols are designed to meet the stringent requirements of pharmaceutical development.

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 material is hygroscopic (moisture-sensitive) and must be kept under anhydrous conditions. For long-term storage, consider storing under an inert atmosphere such as argon or nitrogen.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Specific Rotation	-25° to -35° (c=1, in DMF)
Water Content (KF)	≤ 1.0%
Residual Solvents (GC)	Meets ICH guidelines
Heavy Metals	≤ 20 ppm

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