Description

Rhein Methylate CAS NO 6155-37-9 is a high-purity methyl ester derivative of Rhein, a key anthraquinone compound found in medicinal plants. This specialized intermediate is critical for ensuring consistent quality and performance in advanced pharmaceutical synthesis and research applications. It is primarily utilized by manufacturers and R&D laboratories in the pharmaceutical, nutraceutical, and fine chemical sectors for developing new therapeutic agents and reference standards.

Application

• Pharmaceutical Intermediate: A key building block in the synthesis of novel anti-inflammatory and chemopreventive drug candidates.
• Reference Standard: Used in analytical laboratories for the qualitative and quantitative analysis (HPLC, LC-MS) of Rhein and related compounds in raw materials and finished products.
• Biochemical Research: Employed in metabolic pathway studies and pharmacological research to investigate mechanisms of action related to Rhein's biological activity.
• Fine Chemical Synthesis: Serves as a versatile precursor for further chemical modifications to create derivatives with targeted properties.

Basic Information

Product Name	Rhein Methylate
CAS No.	6155-37-9
Molecular Formula	C16H12O6
Molecular Weight	300.26 g/mol
Synonyms	Rhein Methyl Ester; Methyl Rhein; 4,5-Dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-carboxylic Acid Methyl Ester; 1,8-Dihydroxy-3-(methoxycarbonyl)-9,10-anthraquinone; Cassic Acid Methyl Ester; Methyl 1,8-dihydroxy-3-carboxy-9,10-anthraquinone; Contact for additional names.
EINECS	Contact for details

Quality Control

Our Rhein Methylate is produced under strict quality management protocols to ensure batch-to-batch consistency and high purity suitable for research and synthesis. Each lot is supported by a comprehensive Certificate of Analysis (COA) detailing identity, purity, and impurity profiles. We adhere to cGMP principles where applicable to meet the stringent requirements of our global pharmaceutical and research clientele.

Storage

Preserve in a tightly closed container, protected from light. Store in a cool, dry, and well-ventilated place at controlled room temperature (15-25°C). Keep away from incompatible materials.

Specification

Item	Specification
Appearance	Yellow to orange-yellow powder
Identification (IR)	Conforms to reference spectrum
Assay (HPLC)	≥ 98.0%
Loss on Drying	≤ 1.0%
Residue on Ignition	≤ 0.1%
Related Substances (HPLC)	Total impurities ≤ 2.0%

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