Description

3-Thiophenecarboxylicacid,Tetrahydro-4-(Hydroxyimino)-2,5-Dimethyl-,Methylester(9Ci) is a specialized heterocyclic building block featuring a thiophene core with a hydroxyimino functional group. This compound matters as a versatile intermediate for synthesizing complex molecules, particularly in the development of active pharmaceutical ingredients (APIs) and advanced agrochemicals. It is needed by research and development chemists and process engineers in the pharmaceutical, agrochemical, and fine chemical industries for creating novel compounds with targeted biological activity.

Application

• Pharmaceutical Intermediate: Key building block for the synthesis of novel drug candidates, particularly in medicinal chemistry research.
• Agrochemical Synthesis: Used in the development of new pesticides, herbicides, and fungicides due to its bioactive thiophene scaffold.
• Fine Chemical Production: Serves as a precursor for complex specialty chemicals used in material science and catalysis.
• Research & Development: Essential for academic and industrial R&D focused on heterocyclic chemistry and new molecular entities.
• Chemical Synthesis: Utilized in multi-step organic synthesis to introduce specific functional groups into target molecules.

Basic Information

Item	Details
Product Name	3-Thiophenecarboxylicacid,Tetrahydro-4-(Hydroxyimino)-2,5-Dimethyl-,Methylester(9Ci)
CAS No.	76576-03-9
Molecular Formula	C9H13NO3S
Molecular Weight	215.27 g/mol
Synonyms	Methyl 4-(hydroxyimino)-2,5-dimethyl-4,5-dihydro-3-thiophenecarboxylate; 4,5-Dihydro-4-(hydroxyimino)-2,5-dimethyl-3-thiophenecarboxylic Acid Methyl Ester; Tetrahydro-4-(hydroxyimino)-2,5-dimethyl-3-thiophenecarboxylic acid methyl ester; 3-Thiophenecarboxylic acid, 4,5-dihydro-4-(hydroxyimino)-2,5-dimethyl-, methyl ester; Methyl 4-(hydroxyimino)-2,5-dimethyl-4,5-dihydrothiophene-3-carboxylate
EINECS	Contact for details

Quality Control

Our 3-Thiophenecarboxylicacid,Tetrahydro-4-(Hydroxyimino)-2,5-Dimethyl-,Methylester(9Ci) is produced under strict quality management systems. Each batch undergoes rigorous analytical testing to ensure high purity and consistent performance as a chemical intermediate. Certificates of Analysis (COA) detailing purity, identity, and impurity profiles are available upon request to support your quality assurance and regulatory needs.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at room temperature (15-25°C). Keep away from incompatible materials. Due to its light-sensitive nature, containers should be kept in opaque packaging or amber glass.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 97.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 10 ppm

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