Description

Cyanoacetic Acid-Osu is a high-purity, activated ester derivative of cyanoacetic acid, widely recognized by its CAS number 56657-76-2. This specialized intermediate is critical for facilitating efficient amide bond formation and other nucleophilic substitution reactions in complex organic syntheses. It is an essential building block for researchers and manufacturers in the pharmaceutical, agrochemical, and advanced materials sectors, enabling the development of novel active ingredients and functional compounds.

Application

• Pharmaceutical Intermediates: Key reagent in the synthesis of active pharmaceutical ingredients (APIs), particularly for constructing peptide-like backbones and heterocyclic compounds.
• Agrochemical Synthesis: Used in the production of advanced herbicides, fungicides, and plant growth regulators.
• Peptide & Protein Conjugation: Serves as a versatile linker for bioconjugation chemistry, attaching labels, drugs, or polymers to biomolecules.
• Polymer & Material Science: Building block for specialty polymers, dendrimers, and functional materials with tailored properties.
• Organic Synthesis Reagent: Facilitates efficient one-pot synthesis and multi-component reactions in research and process chemistry.
• Dye & Pigment Manufacturing: Intermediate in the synthesis of specialized colorants and photographic chemicals.

Basic Information

Product Name	Cyanoacetic Acid-Osu
CAS No.	56657-76-2
Molecular Formula	C7H6N2O4
Molecular Weight	182.13 g/mol
Synonyms	N-Hydroxysuccinimide Cyanoacetate; Cyanoacetic Acid N-Hydroxysuccinimide Ester; Cyanoacetic Acid NHS Ester; Cyanoacetic Acid Active Ester; 2-Cyanoacetic Acid Succinimidyl Ester; 1-[(2-Cyanoacetyl)oxy]-2,5-pyrrolidinedione; Succinimidyl Cyanoacetate; Cyanoacetyloxysuccinimide
EINECS	Contact for details

Quality Control

Our Cyanoacetic Acid-Osu is manufactured under strict quality management systems to ensure batch-to-batch consistency and high chemical purity. We provide comprehensive analytical documentation, including Certificates of Analysis (COA) with detailed HPLC/GC and NMR data, to support your quality assurance and regulatory compliance needs. Specifications are designed to meet the rigorous demands of research and cGMP manufacturing environments.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at temperatures between 2°C and 8°C (refrigerated) for long-term stability. This product is hygroscopic (moisture-sensitive) and light-sensitive; containers must be kept sealed under an inert atmosphere (e.g., nitrogen or argon) after opening to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Purity (HPLC)	≥ 98.0%
Melting Point	105°C - 110°C
Water Content (KF)	≤ 0.5%
Residual Solvents (GC)	Meets ICH guidelines

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