Description

(Z)-Butylidenephthalide CAS NO 72917-31-8 is a specific stereoisomer of butylidenephthalide, a key organic compound belonging to the phthalide class. This high-purity intermediate is valued for its defined chemical structure, which is critical for research and synthesis in advanced organic chemistry. It serves as a vital building block for pharmaceutical R&D, agrochemical development, and the synthesis of specialty fine chemicals where precise stereochemistry is required.

Application

• Pharmaceutical Intermediate: A key chiral synthon in the research and development of novel active pharmaceutical ingredients (APIs).
• Agrochemical Synthesis: Used in the development of advanced crop protection agents and pesticides.
• Fine Chemical Production: Serves as a precursor for flavors, fragrances, and other high-value specialty chemicals.
• Academic & Industrial Research: A standard compound for methodological studies in organic synthesis and stereochemistry.
• Material Science: Potential monomer or additive in the development of advanced polymeric materials.

Basic Information

Product Name	(Z)-Butylidenephthalide
CAS No.	72917-31-8
Molecular Formula	C12H12O2
Molecular Weight	188.22 g/mol
Synonyms	(Z)-3-Butylidene-1(3H)-isobenzofuranone; (Z)-3-Butylidenephthalide; cis-3-Butylidenephthalide; Ligustilide (referring to a specific isomer); (Z)-Ligustilide; 3-Butylidene-1(3H)-isobenzofuranone, (3Z)-; Butylidenephthalide, (Z)-; Senkyunolide (isomer)
EINECS	Contact for details

Quality Control

Our (Z)-Butylidenephthalide is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC, GC, and NMR, to ensure identity, purity, and stereochemical integrity. A detailed Certificate of Analysis (COA) is provided with every shipment, confirming compliance with agreed specifications. We support cGMP standards for pharmaceutical applications.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, well-ventilated area at controlled room temperature (15-25°C). Keep away from strong oxidizing agents.

Specification

Item	Specification
Appearance	Colorless to pale yellow liquid or low-melting solid
Identification (IR)	Conforms to structure
Identification (HPLC)	Conforms to reference standard
Purity (HPLC)	≥ 97.0% (Area %)
Isomeric Purity (Z-isomer)	≥ 95.0%
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%

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