Description

13,29-Dihydroxymilbemycin A4 is a key chemical intermediate and metabolite in the milbemycin family of macrocyclic lactones. This compound is of significant commercial and research interest due to its role in the synthesis and metabolic pathway of potent anthelmintic and acaricidal agents. It is primarily utilized by manufacturers in the pharmaceutical and agrochemical industries for the development of veterinary parasiticide products and crop protection solutions.

Application

• Key Intermediate in the synthesis of advanced milbemycin and avermectin derivatives.
• Research & Development of novel anthelmintic and acaricidal agents for veterinary medicine.
• Agrochemical Manufacturing for the production of high-efficacy crop protection products.
• Metabolite Standard in analytical studies for pharmacokinetics and environmental fate.
• Active Pharmaceutical Ingredient (API) development for antiparasitic formulations.
• Reference Compound for quality control and regulatory compliance testing.

Basic Information

Product Name	13,29-Dihydroxymilbemycin A4
CAS No.	134053-89-7
Molecular Formula	C₃₂H₄₆O₉
Molecular Weight	574.71 g/mol
Synonyms	13,29-Dihydroxy-milbemycin A4; Milbemycin A4, 13,29-dihydroxy-; 13,29-Dihydroxy milbemycin A4; 13,29-Dihydroxy-milbemycin A4; 13,29-Dihydroxy Milbemycin A4; 13,29-Dihydroxy Milbemycin A4; 13,29-Dihydroxy-milbemycin A4; 13,29-Dihydroxy Milbemycin A4
EINECS	Contact for details

Quality Control

Our 13,29-Dihydroxymilbemycin A4 is produced under a strict quality management system. Each batch undergoes rigorous analytical testing, including HPLC for purity and identity confirmation, to ensure it meets the high standards required for pharmaceutical and agrochemical synthesis. Certificates of Analysis (COA) are available upon request, detailing all relevant specifications and test results.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry place at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive) and light-sensitive; ensure the container is kept tightly sealed in a dry environment away from direct light exposure.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	≥ 95.0%
Water Content (KF)	≤ 2.0%
Residue on Ignition	≤ 0.5%

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