Isotopically labelledMetaxalone-d6Cat. No. P-M072-002CAS 1189944-95-3
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Active ingredient · Metaxalone family
Pharmaceutical analytical standardMetaxalone
Synonyms: 5-[(3,5-dimethylphenoxy)methyl]-1,3-oxazolidin-2-one, Skelaxin, Zorane, Methaxalonum, Methoxolone, Metassalone, Flexura, NSC 170959, Metaxal, Metaxolone, Metazalone, Metazolone, Pharmakon1600-01504229, NSC 758703
- Cat. No.
- P-M072-001
- CAS
- 1665-48-1
- Alternative CAS
- N/A
- Formula
- C12H15NO3
- Molecular weight
- 221.26 g/mol
- Category
- Active ingredient (API)
A muscle relaxant with an oxazolidinone structure, approved in the United States in 1962 and used together with rest and physiotherapy for acute musculoskeletal pain.
Did you know?After more than sixty years of use, its mechanism is still not fully understood: it is thought to work through a general depression of the central nervous system.
The two levels compared
| Level 1 Mass balance | Level 2 Mass balance + qNMR | |
|---|---|---|
| Identity (IR, MS, 1H and 13C-NMR; peptides: ESI-MS, MALDI-TOF and IR) | ✓ | ✓ |
| HPLC purity (min. 95%) | ✓ | ✓ |
| Content by mass balance (min. 90%; peptides: for information only)* | ✓ | ✓ |
| Content verified by qNMR (small molecules only) | · | ✓ |
| Suitable to qualify it as an in-house primary standard (ICH Q7) | · | ✓ |
* Mass balance is performed on every molecule. The only exceptions are cases where the chemistry of the molecule prevents it, for example oils and highly volatile substances, on which some of the required measurements cannot be made: in those cases the CoA states how the content was assigned.
What you receive
The analytical standard
Shipped under controlled temperature when the molecule requires it.
Certificate of analysis (CoA)
For every lot: identity, purity and assay, with the supporting spectra and chromatograms.
Safety data sheet (SDS)
Sent with every order.
Tracked shipment
Follow your shipment live, from our warehouse to your lab.
More products in the Metaxalone family
Isotopically labelledMetaxalone-d6Cat. No. P-M072-002CAS 1189944-95-3
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ImpurityMetaxalone Impurity 2Cat. No. P-M072-006CAS 1392430-17-9
ImpurityMetaxalone Mono Impurity (Mixture of Diastereomers)Cat. No. P-M072-007CAS 1392430-16-8
ImpurityMetaxalone Related Compound ACat. No. P-M072-008CAS 2514685-36-8
ImpurityMetaxalone Related Compound BCat. No. P-M072-009CAS 66766-07-2Frequently asked questions
Is mass balance always performed?
Yes, on every molecule. The only exceptions are cases where the chemistry of the molecule prevents it: for example oils and highly volatile substances, on which some measurements (such as thermogravimetry) cannot be made. In those cases the CoA states which method was used to assign the content.
Can I ask for a different quantity?
Yes. The quantities are only suggestions: choose "Other" and enter the milligrams or grams you need.
Which level should I choose?
Level 1 is enough for most routine testing. Level 2 adds an independent qNMR content value and is meant for labs that need to qualify an in-house primary standard. For peptides and similar molecules, Level 2 is not available.
When will I get the quote?
Within 24 working hours, with price, availability and delivery time.
Need a molecule you cannot find?
Custom synthesis of impurities, metabolites and labelled compounds, with the same characterisation level.