(11beta,16Beta)-9-Fluoro-11-hydroxy-16-methyl-21-(1-oxobutoxy)-17-(1-oxopropoxy)pregna-1,4-diene-3,20-dione
- CAS
- 5533-97-1
- Formula
- C29H39FO7
- MW
- 518.6 g/mol
VQ-035136
Impurity reference standards
Betamethasone impurities & reference standards
Characterised Betamethasone impurities, degradation products and related compounds for analytical method development, validation, QC release and regulatory filings.
84reference materials
COAHPLC · NMR · MS on request
Parent API: Betamethasone
378-44-9 · C22H29FO5
(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
VQ-030141
(16Beta)-17-Hydroxy-16-methyl-21-(1-oxopropoxy)-pregna-1,4-diene-3,20-dione
- CAS
- 1240591-58-5
- Formula
- C25H34O5
- MW
- 414.5 g/mol
VQ-035135
(17RS)-Betamethasone 20-hydroxy 21-acid impurity
- CAS
- 1155886-49-9
- Formula
- C22H29FO5
- MW
- 392.5 g/mol
VQ-024094
11β,17,21-Trihydroxy-16β-methylpregna-1,4-diene-3,20-dione
- CAS
- 2597-76-4
- Formula
- C22H30O5
- MW
- 374.5 g/mol
VQ-028814
9β,11β-Epoxy-17,21-dihydroxy-16β-methyl-pregn-4-ene-3,20-dione
- CAS
- 114488-14-1
- Formula
- C22H30O5
- MW
- 374.5 g/mol
VQ-035055
FAQs — Betamethasone impurities
Which Betamethasone impurities do you supply?
We list 84 Betamethasone-related reference materials, including process impurities, degradation products and related compounds. Each is supplied with a COA, and characterisation data (HPLC, 1H-NMR, MS, IR) can be provided on request.
What are Betamethasone impurity standards used for?
They are used for analytical method development and validation, impurity identification and quantification, forced-degradation and stability studies, and to support ANDA, DMF and other regulatory submissions under ICH Q3A/Q3B (and ICH M7 for mutagenic impurities).
Can you synthesise a Betamethasone impurity that is not listed?
Yes. Our custom synthesis service can prepare and characterise unlisted impurities, metabolites and labelled analogues from milligram to gram scale. Share the structure or name and required quantity for a quotation.
Request Betamethasone impurity standards
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