Description

Nitrous Acid, 1-Methyl-3-Oxobutyl Ester (9Ci) is a specialized organic ester of nitrous acid, identified by CAS NO 121361-50-0. This compound serves as a valuable chemical intermediate and reagent in advanced synthetic organic chemistry, enabling the introduction of functional groups under controlled conditions. It is primarily utilized by research and development chemists, process development scientists, and manufacturers in the pharmaceutical, agrochemical, and fine chemical sectors seeking to develop novel compounds or optimize synthetic pathways.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of active pharmaceutical ingredients (APIs), particularly for molecules requiring nitrosation or specific ester functionalities.
• Agrochemical Synthesis: Used in the research and production of advanced pesticides, herbicides, and plant growth regulators.
• Fine Chemical Manufacturing: Employed as a reagent in the production of dyes, pigments, and other high-value specialty chemicals.
• Academic & Industrial Research: A versatile reagent for methodological development in organic synthesis, including studies on reaction mechanisms and new catalytic processes.
• Chemical Derivatization: Useful for analytical chemistry applications where it acts as a derivatizing agent for sensitive detection methods.

Basic Information

Product Name	Nitrous Acid, 1-Methyl-3-Oxobutyl Ester (9Ci)
CAS No.	121361-50-0
Molecular Formula	C5H9NO3
Molecular Weight	131.13 g/mol
Synonyms	1-Methyl-3-oxobutyl nitrite; 3-Oxobutyl, 1-methyl-, nitrite; Acetoacetic acid methyl ester nitrite; Methyl 3-oxobutyl nitrite; Butyl, 1-methyl-3-oxo-, nitrite; Isobutyl nitrite acetoacetate; Nitrous acid isobutyl ester acetoacetate
EINECS	Contact for details

Quality Control

Our Nitrous Acid, 1-Methyl-3-Oxobutyl Ester (9Ci) is produced and handled under strict quality management protocols. Each batch undergoes comprehensive analytical testing, including chromatographic purity analysis and identity confirmation, to ensure it meets the high standards required for research and industrial synthesis. A Certificate of Analysis (COA) detailing specific results for purity, assay, and impurity profiles is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, well-ventilated place at a controlled room temperature (15-25°C). Due to its highly volatile and light-sensitive nature, containers must be kept tightly sealed when not in use and away from heat sources and incompatible materials.

Specification

Item	Specification
Appearance	Clear, colorless to pale yellow liquid
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 95.0%
Purity (GC)	≥ 97.0%
Water Content (KF)	≤ 0.5%

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