Description

Crosstide CAS NO 171783-05-4 is a high-purity synthetic peptide compound with specific biological activity. It is valued for its role as a key intermediate and active ingredient in advanced pharmaceutical research and development. This product is essential for biotechnology companies, academic research institutions, and pharmaceutical manufacturers focused on developing novel therapeutic agents and diagnostic tools.

Application

• Pharmaceutical Intermediate: Serves as a critical building block in the synthesis of complex peptide-based drugs and active pharmaceutical ingredients (APIs).
• Biomedical Research: Used as a reference standard or active component in biochemical assays, receptor binding studies, and mechanism-of-action research.
• Therapeutic Development: Investigated for potential applications in developing treatments for metabolic, oncological, or endocrine disorders.
• Diagnostic Reagent Manufacturing: Employed in the production of high-sensitivity diagnostic kits and biomarkers.
• Peptide Library Synthesis: A valuable component for creating combinatorial peptide libraries used in drug discovery screening.

Basic Information

Product Name	Crosstide
CAS No.	171783-05-4
Molecular Formula	C20H37N7O9
Molecular Weight	519.55 g/mol
Synonyms	GSK-3 Substrate Peptide; Crosstide Peptide; GSK-3α/β Substrate; LRRAS(PO3H2)LG; H-Leu-Arg-Arg-Ala-Ser(PO3H2)-Leu-Gly-OH; Phospho-GSK-3 Substrate; (5-L-Leucine)glycogen synthase kinase-3 substrate; GSK3 Substrate
EINECS	Contact for details

Quality Control

Our Crosstide is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing including HPLC for purity, mass spectrometry (MS) for identity confirmation, and amino acid analysis (AAA). Certificates of Analysis (COA) detailing all specifications are provided to ensure compliance with research and cGMP-grade material standards.

Storage

Preserve in a tightly closed container, protected from light. Store at -20°C or below in a dry environment. This product is hygroscopic (moisture-sensitive). For long-term storage, keep desiccated. Allow the vial to warm to room temperature before opening to minimize moisture absorption.

Specification

Item	Specification
Appearance	White to off-white lyophilized powder
Identification (HPLC/MS)	Conforms to reference standard
Purity (HPLC)	≥ 95.0%
Single Impurity (HPLC)	≤ 2.0%
Peptide Content	≥ 80.0%
Water Content (KF)	≤ 5.0%
Acetate Content (HPLC)	≤ 10.0%

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