Published TCIMAIL newest issue No.200 | Product Document Searching Made Easy by 2D Code! | TCI Life Science News December 2025 | [Product Highlights] Cell Culture-Ready Antibiotic... | Various analytical charts can be searched on each product detail page and Product Document Search (The kinds of analytical charts differ by product)
Maximum quantity allowed is 999
Please select the quantity
CAS RN: 1665-48-1 | Product Number: M2578
Metaxalone
×
Purity: >98.0%(GC)
Synonyms:
- 5-(3,5-Dimethylphenoxymethyl)-2-oxazolidinone
- 5-[(3,5-Xylyloxy)methyl]-2-oxazolidinone
Product Documents:
| Size | Unit Price | Same Day | 2-3 Business Days | Other Lead Time |
Shipping Information
|
|---|---|---|---|---|---|
| 1G |
A$116.00
|
8 | 0 | It can be shipped in about 2 weeks after ordering | |
| 5G |
A$391.00
|
6 | 6 | It can be shipped in about 2 weeks after ordering |
* Please contact our distributor of Chem-Supply
if you would like to purchase TCI products. The above prices do not include freight cost, customs charge and other charges to the destination.
* ChemSupply Australia Pty Ltd (Phone: 08-8440-2000 / email: sales@chemsupply.com.au)
* ChemSupply Australia Pty Ltd (Phone: 08-8440-2000 / email: sales@chemsupply.com.au)
| Product Number | M2578 |
Purity / Analysis Method 
|
>98.0%(GC) |
| Molecular Formula / Molecular Weight | C__1__2H__1__5NO__3 = 221.26 |
| Physical State (20 deg.C) | Solid |
| Storage Temperature
|
Frozen (<0°C) |
| Condition to Avoid | Heat Sensitive |
| Packaging and Container
|
1G-Glass Bottle with Plastic Insert (View image) |
| CAS RN | 1665-48-1 |
| Reaxys Registry Number | 884592 |
| PubChem Substance ID | 253662077 |
| MDL Number | MFCD00867700 |
Specifications
| Appearance | White to Almost white powder to crystal |
| Purity(GC) | min. 98.0 % |
| Melting point | 122.0 to 126.0 °C |
| NMR | confirm to structure |
Properties (reference)
| Melting Point | 124 °C |
| Boiling Point | 225 °C/1.5 mmHg |
| Solubility in water | Insoluble |
| Degree of solubility in water | 91 mg/l 25 °C |
| Solubility (soluble in) | Ethanol, Methanol |
| Solubility (insoluble in) | Ether |
GHS
| Pictogram |
|
| Signal Word | Warning |
| Hazard Statements | H302 : Harmful if swallowed. |
| Precautionary Statements | P501 : Dispose of contents/ container to an approved waste disposal plant. P270 : Do not eat, drink or smoke when using this product. P264 : Wash skin thoroughly after handling. P301 + P312 + P330 : IF SWALLOWED: Call a POISON CENTER/doctor if you feel unwell. Rinse mouth. |
Related Laws:
| RTECS# | RQ3850000 |
Transport Information:
| H.S.code* | 2934.99-000 |
Application
Metaxalone: A Muscle Relaxant
Metaxalone is a muscle relaxant which is used to relieve pain caused by strains, sprains and other muscle injuries with no defined cellular mechanism of action. Its efficacy has been considered to be due to general central nervous system depression. (The product is for research purpose only.)
References
- Commonly used muscle relaxant therapies for acute low back pain: a review of carisoprodol, cyclobenzaprine hydrochloride, and metaxalone (a review)
- Metaxalone (Skelaxin®)-related death
- Quantification of Metaxalone in Human Plasma by Liquid Chromatography Coupled to Tandem Mass Spectrometry
- New stability-indicating RP-HPLC method for determination of diclofenac [D3748] potassium and metaxalone from their combined dosage form
PubMed Literature
Product Articles
Product Documents (Note: Some products will not have analytical charts available.)
Safety Data Sheet (SDS)
Please select Language.
The requested SDS is not available.
Please Contact Us for more information.
Specifications
C of A & Other Certificates
Please enter Lot Number
Incorrect Lot Number. Please input only the 4-5 alphanumeric characters before the hyphen.
Sample C of A
This is a sample C of A and may not represent a recently manufactured lot of the product.
A sample C of A for this product is not available at this time.
Analytical Charts
Please enter Lot Number
Incorrect Lot Number. Please input only the 4-5 alphanumeric characters before the hyphen.
The requested analytical chart is not available. Sorry for the inconvenience.