Description

Mephenoxalone CAS NO 70-07-5 is a centrally acting skeletal muscle relaxant belonging to the oxazolidinone class of compounds. This pharmaceutical active ingredient is valued for its ability to alleviate muscle spasms and associated pain without directly affecting skeletal muscle fibers. It is primarily utilized by pharmaceutical manufacturers and research institutions in the development and production of prescription medications targeting musculoskeletal conditions, offering a therapeutic option for muscle relaxation.

Application

• Pharmaceutical Manufacturing: Primary active pharmaceutical ingredient (API) in prescription muscle relaxant formulations.
• Musculoskeletal Therapy: Used in medications for the treatment of acute, painful musculoskeletal conditions such as strains, sprains, and back pain.
• Adjunctive Therapy: Employed alongside rest, physical therapy, and other measures to relieve muscle spasm.
• Clinical Research: Serves as a reference standard and active compound in pharmacological studies and drug development projects.
• Generic Drug Production: Key ingredient for manufacturers producing generic versions of established muscle relaxant medications.

Basic Information

Product Name	Mephenoxalone
CAS No.	70-07-5
Molecular Formula	C12H15NO3
Molecular Weight	221.25 g/mol
Synonyms	5-[(o-Methoxyphenoxy)methyl]-2-oxazolidinone; 2-Oxazolidinone, 5-[(2-methoxyphenoxy)methyl]-; Mephenoxalon; Methocarbamol related compound; Toloxatone analog; Lissephen; Contrarma; Spantol
EINECS	200-720-6

Quality Control

Our Mephenoxalone is manufactured under strict quality management systems. Each batch undergoes comprehensive analytical testing to ensure it meets high-purity standards suitable for pharmaceutical use. We provide full traceability and Certificates of Analysis (COA) are available for all shipments, detailing identity, purity, and impurity profiles. Our quality commitment aligns with cGMP principles to support our clients' regulatory requirements.

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). This product is hygroscopic (moisture-sensitive) and must be kept in a dry environment to prevent degradation.

Specification

Item	Specification
Appearance	White to off-white crystalline powder
Identification (IR)	Conforms to reference spectrum
Identification (HPLC)	Retention time matches reference standard
Assay (HPLC)	98.0% - 102.0% (on anhydrous basis)
Water Content (KF)	≤ 0.5%
Residue on Ignition	≤ 0.1%
Heavy Metals	≤ 20 ppm
Related Substances (HPLC)	Individual impurity ≤ 0.5%; Total impurities ≤ 1.5%

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