(16a)-21-Acetyloxy-16,17-dihydroxy-pregna-1,4,9(11)-triene-3,20-dione
- CAS
- 77017-20-0
- Formula
- C23H28O6
- MW
- 400.5 g/mol
VQ-024676
Impurity reference standards
Budesonide impurities & reference standards
Characterised Budesonide impurities, degradation products and related compounds for analytical method development, validation, QC release and regulatory filings.
38reference materials
2isotope-labelled
COAHPLC · NMR · MS on request
Parent API: Budesonide
51333-22-3 · C25H34O6
![(8R,9S,10R,11S,13S,16R,17S)-11,16,17-Trihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6,7,8,9,10,11,12,13,16,17-decahydro-3H-cyclopenta[a]phenanthren-3-one chemical structure](/media/structures/DIGGLNJQCGHXQV-XUPWNSBFSA-N.svg)
(8R,9S,10R,11S,13S,16R,17S)-11,16,17-Trihydroxy-17-(2-hydroxyacetyl)-10,13-dimethyl-6,7,8,9,10,11,12,13,16,17-decahydro-3H-cyclopenta[a]phenanthren-3-one
- CAS
- 131918-73-5
- Formula
- C21H26O6
- MW
- 374.4 g/mol
VQ-021916
16-alpha,17,21-Trihydroxy-pregna-1,4,9(11)-triene-3,20-dione
- CAS
- 39672-76-9
- Formula
- C21H26O5
- MW
- 358.4 g/mol
VQ-024675
21-Acetoxy-11beta -hydroxypregna-1,4,16-triene-3,20-dione
- CAS
- 3044-42-6
- Formula
- C23H28O5
- MW
- 384.5 g/mol
VQ-021010
Budesonide EP Impurity J (Mixture of Diastereomers)
- CAS
- 313474-59-8
- Formula
- C25H33BrO6
- MW
- 509.4 g/mol
VQ-020686
FAQs — Budesonide impurities
Which Budesonide impurities do you supply?
We list 38 Budesonide-related reference materials, including process impurities, degradation products, stable-isotope-labelled standards and related compounds. Each is supplied with a COA, and characterisation data (HPLC, 1H-NMR, MS, IR) can be provided on request.
What are Budesonide 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 Budesonide 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 Budesonide impurity standards
We reply within one business day with price, pack options, lead time and documentation.