Description

Milbemectin A4 is a high-purity, naturally derived component of the milbemycin family of macrocyclic lactones, recognized for its potent biological activity. This compound is a critical intermediate and active ingredient in the development of advanced acaricides and insecticides, offering a favorable environmental profile. It is essential for manufacturers in the agrochemical and pharmaceutical industries seeking to formulate effective crop protection and veterinary products.

Application

• Primary active ingredient or key intermediate in the synthesis of agricultural acaricides and insecticides.
• Formulation of veterinary parasiticides for livestock and companion animals.
• Research and development of novel biopesticides with selective modes of action.
• Used in studies targeting GABA-gated chloride channels in pests.
• Reference standard for analytical testing and quality control in manufacturing.
• Component in integrated pest management (IPM) programs.

Basic Information

Product Name	Milbemectin A4
CAS No.	51596-11-3
Molecular Formula	C₃₂H₄₄O₇
Molecular Weight	540.70 g/mol
Synonyms	Milbemycin A4; LL-F28249α; (10E,14E,16E)-(1R,4S,5'S,6R,6'R,8R,12R,13S,20R,21R,24S)-6'-Ethyl-21,24-dihydroxy-5',11,13,22-tetramethyl-3,7,19-trioxatetracyclo[15.6.1.1⁴,⁸.0²⁰,²⁴]pentacosa-10,14,16,22-tetraene-2,9,18-trione; 5-O-Demethylmilbemycin A4; B-41D; Component of Milbemectin
EINECS	Contact for details

Quality Control

Our Milbemectin A4 is produced under strict quality management systems to ensure batch-to-batch consistency and high purity. Each lot is accompanied by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles as determined by advanced analytical methods including HPLC. We adhere to relevant industry standards to meet the stringent requirements of our global B2B clients.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at a controlled room temperature (typically 15-25°C). The product is light-sensitive and should be handled accordingly to maintain stability.

Specification

Item	Specification
Appearance	White to off-white powder
Identification (HPLC/IR)	Conforms to reference standard
Assay (HPLC)	≥95.0%
Related Substances (HPLC)	Total impurities ≤5.0%
Loss on Drying	≤1.0%
Residue on Ignition	≤0.5%

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