Description

Orthosiphol A is a specialized, high-purity bioactive compound isolated from the *Orthosiphon stamineus* plant. This compound is of significant interest for its potential pharmacological properties, making it a valuable ingredient for research and development. It is primarily sought after by manufacturers and researchers in the pharmaceutical, nutraceutical, and cosmeceutical industries for developing standardized extracts and novel formulations.

Application

• Pharmaceutical Research & Development: As a reference standard and active pharmaceutical ingredient (API) intermediate for investigating bioactivity.
• Dietary Supplement Formulation: A key marker compound for the standardization and quality control of kidney health and diuretic herbal supplements.
• Cosmeceutical Products: Incorporated into skincare formulations for its potential antioxidant and anti-inflammatory benefits.
• Analytical Chemistry: Serves as a critical certified reference material (CRM) for HPLC, LC-MS, and other analytical method development and validation.
• Preclinical Studies: Used in in-vitro and in-vivo studies to evaluate therapeutic efficacy and mechanisms of action.

Basic Information

Product Name	Orthosiphol A
CAS No.	142741-25-1
Molecular Formula	C₂₅H₂₈O₈
Molecular Weight	456.5 g/mol
Synonyms	3-Hydroxy-4,5,6,7-tetramethoxyflavone; 5,6,7,4'-Tetramethoxyflavone-3-ol; Orthosiphol; Orthosiphonone A; 3-Hydroxy-5,6,7,4'-tetramethoxyflavone; KUM 10; 3-Hydroxy-5,6,7-trimethoxy-2-(4-methoxyphenyl)-4H-chromen-4-one
EINECS	Contact for details

Quality Control

Our Orthosiphol A is produced under strict quality management protocols 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. We adhere to relevant industry standards for botanical reference materials, and our quality system supports compliance for research and development applications.

Storage

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

Specification

Item	Specification
Appearance	Yellow to light brown powder
Identification (HPLC)	Conforms to reference standard
Identification (IR)	Conforms to structure
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 2.0%
Residue on Ignition	≤ 0.5%
Heavy Metals (as Pb)	≤ 20 ppm
Residual Solvents	Meets ICH guidelines

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