Description

Doisynolic Acid CAS NO 482-49-5 is a synthetic estrogenic steroid derivative with a unique chemical structure. This compound is of significant interest in pharmaceutical research and development, particularly for its hormonal activity profile. It serves as a critical intermediate and reference standard for researchers and manufacturers in the life sciences, pharmaceutical, and fine chemical sectors.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of steroidal drugs and novel therapeutic agents.
• Biochemical Research: Used as a reference standard and active compound in studies of estrogen receptors and endocrine system mechanisms.
• Reference Material: Serves as a high-purity certified reference material (CRM) for analytical method development and validation in quality control laboratories.
• Academic & R&D: Employed in university and institutional research for investigating structure-activity relationships (SAR) of steroidal compounds.
• Fine Chemical Synthesis: Utilized as a specialized intermediate in the multi-step synthesis of complex organic molecules.

Basic Information

Product Name	Doisynolic Acid
CAS No.	482-49-5
Molecular Formula	C₁₈H₂₂O₃
Molecular Weight	286.36 g/mol
Synonyms	3-(p-Hydroxyphenyl)-4-methyl-7-ethoxyisoquinoline; 7-Ethoxy-3-(4-hydroxyphenyl)-4-methylisoquinoline; Doisynolic acid; DHA; 7-Ethoxy-3-(4-hydroxyphenyl)-4-methyl-2(1H)-isoquinolinone (related structure); Estrogenic acid derivative.
EINECS	207-583-7

Quality Control

Our Doisynolic Acid is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing, including HPLC for purity and identity confirmation via IR and NMR spectroscopy, to ensure it meets the stringent requirements for research and pharmaceutical applications. A detailed Certificate of Analysis (COA) documenting purity, residual solvents, and other critical parameters is provided with every shipment.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated area at controlled room temperature (15-25°C). This product is hygroscopic (moisture-sensitive); ensure the container is sealed tightly after each use to minimize exposure to atmospheric humidity.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time corresponds to reference standard
Purity (HPLC)	≥ 98.0%
Loss on Drying	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm

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