Description

Cep-11981 is a high-purity chemical intermediate identified by CAS NO 856691-93-5. This compound is critical for advanced synthesis pathways, particularly in the development of novel active pharmaceutical ingredients (APIs) and complex organic molecules. It is primarily utilized by research institutions and manufacturers in the pharmaceutical, agrochemical, and specialty chemical industries requiring precise and reliable building blocks for their processes.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of complex drug candidates and active pharmaceutical ingredients (APIs).
• Agrochemical Research: Used in the development and production of advanced pesticides, herbicides, and plant growth regulators.
• Organic Synthesis: Serves as a versatile precursor for constructing complex molecular architectures in academic and industrial research laboratories.
• Material Science: Potential application in the synthesis of specialty polymers and advanced functional materials.
• Bioconjugation Chemistry: May be employed in the development of linker molecules for antibody-drug conjugates (ADCs) or diagnostic reagents.

Basic Information

Product Name	Cep-11981
CAS No.	856691-93-5
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	856691-93-5; Cep11981; Cep 11981; (S)-tert-Butyl 2-((S)-2-((tert-butoxycarbonyl)amino)-3-methylbutanamido)-3-(4-(4-methylthiazol-5-yl)phenyl)propanoate; (S)-tert-Butyl (2S)-2-[[(2S)-2-[(2-methylpropan-2-yl)oxycarbonylamino]-3-methylbutanoyl]amino]-3-[4-(4-methyl-1,3-thiazol-5-yl)phenyl]propanoate
EINECS	Contact for details

Quality Control

Our Cep-11981 is manufactured under a strict quality management system. Every batch undergoes comprehensive analytical testing, including HPLC, NMR, and mass spectrometry, to ensure identity, purity, and consistency. A detailed Certificate of Analysis (COA) is provided with each shipment, confirming compliance with agreed specifications. We support cGMP standards for pharmaceutical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at a controlled room temperature (typically 15-25°C). This product is hygroscopic (moisture-sensitive) and must be kept under an inert atmosphere (e.g., nitrogen or argon) in a desiccated environment to maintain stability and purity.

Specification

Item	Specification
Appearance	White to off-white solid
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Conforms to reference standard
Assay (HPLC)	≥ 98.0%
Purity (HPLC)	≥ 99.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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