Description

Sta 21 CAS NO 111540-00-2 is a specialized chemical intermediate known for its unique structural properties that enable precise molecular modifications. This compound is critical for industries requiring high-purity building blocks to synthesize advanced materials and active pharmaceutical ingredients (APIs). It serves as a key reagent for research and development laboratories, pharmaceutical manufacturers, and fine chemical producers focused on innovation and quality.

Application

• Pharmaceutical Intermediate: Serves as a crucial building block in the synthesis of novel active pharmaceutical ingredients (APIs) and drug candidates.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators.
• Material Science Research: Acts as a precursor for developing specialized polymers, liquid crystals, or advanced organic electronic materials.
• Fine Chemical Production: Employed in custom synthesis and contract manufacturing for high-value, low-volume specialty chemicals.
• Academic & Industrial R&D: A valuable reagent for methodological development and exploratory chemistry in both academic and corporate research settings.

Basic Information

Product Name	Sta 21
CAS No.	111540-00-2
Molecular Formula	Contact for details
Molecular Weight	Contact for details
Synonyms	STA-21; 1,3-Benzenedicarboxamide, N1,N3-bis(2-phenylethyl)-; N1,N3-Bis(2-phenylethyl)isophthalamide; Isophthalamide, N,N'-bis(2-phenylethyl)-; Sta21; STA 21; BPEIP
EINECS	Contact for details

Quality Control

Our Sta 21 is manufactured under a strict quality management system. Each batch undergoes comprehensive analytical testing, including identity confirmation by spectroscopic methods and purity assessment by chromatography, to ensure it meets exacting standards for research and industrial use. A Certificate of Analysis (COA) detailing all test results is provided with every shipment to guarantee traceability and consistency.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (typically 15-25°C). Keep away from incompatible materials.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Related Substances (HPLC)	Total impurities ≤ 2.0%
Loss on Drying	≤ 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.