(11β)-11,20-Dihydroxy-3-oxo-pregna-1,4-dien-21-oic acid (Mixture of ismoers)
- CAS
- 75448-52-1
- Formula
- C21H28O5
- MW
- 360.4 g/mol
VQ-033302
Impurity reference standards
Prednisolone impurities & reference standards
Characterised Prednisolone impurities, degradation products and related compounds for analytical method development, validation, QC release and regulatory filings.
56reference materials
COAHPLC · NMR · MS on request
Parent API: Prednisolone
50-24-8 · C21H28O5
11beta-Hydroxy-3-oxo-androsta-1,4-diene-17beta-carboxylic Acid
- CAS
- 75448-51-0
- Formula
- C20H26O4
- MW
- 330.4 g/mol
VQ-041617
3,20-Disemicarbazone-17,21-dihydroxy-pregna-1,4-diene-3,11,20-trione 21-Acetate
- CAS
- 115097-56-8
- Formula
- C25H34N6O6
- MW
- 514.6 g/mol
VQ-033304
Isoflupredone 21-Phosphate Ester Disodium Salt
- CAS
- 94088-00-3
- Formula
- C21H26FNa2O8P
- MW
- 502.4 g/mol
VQ-022868
FAQs — Prednisolone impurities
Which Prednisolone impurities do you supply?
We list 56 Prednisolone-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 Prednisolone 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 Prednisolone 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 Prednisolone impurity standards
We reply within one business day with price, pack options, lead time and documentation.