11β,17,21-Trihydroxy-16β-methylpregna-1,4-diene-3,20-dione
- CAS
- 2597-76-4
- Formula
- C22H30O5
- MW
- 374.5 g/mol
ZX-027693
API Impurities
Betamethasone 21-Mesylate
Reference StandardAvailable on request
Buy Betamethasone 21-Mesylate (CAS 1881-66-9) from Zemixal: C23H31FO7S, COA and SDS with every lot, worldwide shipping. Part of our API Impurities range.
CAS number1881-66-9
FormulaC23H31FO7S
Molar mass470.6 g/mol
Physical formSolid
HS code38229090
InChIKeyATNWRUJPJUBMHC-DLCSVNPKSA-N
IUPAC name[2-[(8S,9R,10S,11S,13S,14S,16S,17R)-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-yl]-2-oxoethyl] methanesulfonate
About Betamethasone 21-Mesylate
Zemixal lists Betamethasone 21-Mesylate for laboratories that identify, quantify or control Betamethasone and its related substances. Key data (Reference Standard): CAS 1881-66-9, formula C23H31FO7S and molar mass 470.6 g/mol. It is handled as a solid.
Common uses in the lab and plant
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Handling and storage
Hazard communication follows GHS (Danger: H360 and H373). Our SDS lists exposure controls and first-aid measures.
Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.
Reference standards for Betamethasone
See every impurity, metabolite and related compound we list for this API.
Betamethasone standardsTypical uses
- Analytical method development
- Method validation (AMV)
- QC release testing
- ANDA / DMF filings
Applications
Specifications and identifiers
| Product name | Betamethasone 21-Mesylate |
|---|---|
| Catalogue number | ZX-027754 |
| CAS number | 1881-66-9 |
| IUPAC name | [2-[(8S,9R,10S,11S,13S,14S,16S,17R)-9-fluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,11,12,14,15,16-octahydrocyclopenta[a]phenanthren-17-yl]-2-oxoethyl] methanesulfonate |
| Molecular formula | C23H31FO7S |
| Molar mass | 470.6 g/mol |
| Exact mass | 470.1775 |
| Grade | Reference Standard |
| Physical form | Solid |
| XLogP3 | 1.3 |
| H-bond donors / acceptors | 2 / 8 |
| Topological polar surface area | 126 Ų |
| HS code | 38229090 |
| InChIKey | ATNWRUJPJUBMHC-DLCSVNPKSA-N |
| SMILES | C[C@H]1C[C@H]2[C@@H]3CCC4=CC(=O)C=C[C@@]4([C@]3([C@H](C[C@@]2([C@]1(C(=O)COS(=O)(=O)C)O)C)O)F)C |
| PubChem CID | 12767619 |
Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.
Safety and GHS hazards
Signal word Danger
- H360May damage fertility or the unborn child
- H373May causes damage to organs through prolonged or repeated exposure
Precautionary statements P203, P260, P280, P318, P319, P405, P501
Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.
Pack sizes
| 10 mg | Quoted on request | |
| 25 mg | Quoted on request | |
| 50 mg | Quoted on request | |
| 100 mg | Quoted on request |
Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.
Questions about Betamethasone 21-Mesylate
Which CAS number identifies Betamethasone 21-Mesylate?
Betamethasone 21-Mesylate is registered under CAS 1881-66-9. Our catalogue number for this item is ZX-027754.
What are the formula and molar mass of Betamethasone 21-Mesylate?
For Betamethasone 21-Mesylate, its formula is C23H31FO7S and its molar mass is 470.6 g/mol. InChIKey ATNWRUJPJUBMHC-DLCSVNPKSA-N lets you match it in any structure database.
How is Betamethasone 21-Mesylate used in pharmaceutical QC?
Betamethasone 21-Mesylate is a characterised reference material linked to Betamethasone. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for Betamethasone 21-Mesylate?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with Betamethasone 21-Mesylate?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship Betamethasone 21-Mesylate to my country?
Yes. Because Betamethasone 21-Mesylate is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.
More Betamethasone standards
More in API Impurities
(11β,16β,17β)-9-Fluoro-11-hydroxy-16-methyl-3-oxoandrosta-1,4-diene-17-carboxylic Acid
- CAS
- 1203841-43-3
- Formula
- C21H27FO4
- MW
- 362.4 g/mol
ZX-028935
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