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Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Flumethasone and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Flumethasone impurities, metabolites, nitrosamine derivatives (N-NO compounds), and stable isotope-labeled products. These reference standards play a critical role in pharmaceutical R&D, supporting activities such as product formulation, ANDA and DMF submissions, quality assurance, analytical method development, and stability assessments.
All Flumethasone-related substances undergo comprehensive characterization and are delivered with complete Certificates of Analysis and supporting analytical documentation to ensure regulatory adherence. Upon request, we can offer EP/USP traceable standards. Our products are routinely re-evaluated to maintain consistent quality and performance.

Flumethasone
CAT No: CL-FMHS-01 CAS No: 2135-17-3 Mol Wt: 410.46 Mol F: C22H28F2O5 Inv Status: Custom Synthesis
Chemical Name: (6S,8S,9R,10S,11S,13S,14S,16R,17R)-6,9-difluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one
Flumethasone Impurity 2
CAT No: CL-FMHS-02 CAS No: 4571-51-1 Mol Wt: 432.5 Mol F: C24H29FO6 Inv Status: Custom Synthesis
Chemical Name: 2-((4aS,4bS,5aS,6aS,7R,8R,9aS,9bS,11S)-11-fluoro-7-hydroxy-4a,6a,8-trimethyl-2-oxo-2,4a,5a,6,6a,7,8,9,9a,9b,10,11-dodecahydrocyclopenta[1,2]phenanthro[4,4a-b]oxiren-7-yl)-2-oxoethyl acetate
1,2-Dihydro Flumethasone Acid
CAT No: CL-FMHS-03 CAS No: 28416-86-6 Mol Wt: 398.4 Mol F: C21H28F2O5 Inv Status: Custom Synthesis
Chemical Name: (6S,8S,9R,10S,11S,13S,14S,16R,17R)-6,9-difluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-2,3,6,7,8,9,10,11,12,13,14,15,16,17-tetradecahydro-1H-cyclopenta[a]phenanthrene-17-carboxylic acid
6b-Fluoro-Flumethasone
CAT No: CL-FMHS-04 CAS No: 60895-22-9 Mol Wt: 410.5 Mol F: C22H28F2O5 Inv Status: Custom Synthesis
Chemical Name: (6R,8S,9R,10S,11S,13S,14S,16R,17R)-6,9-difluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one
Flumethasone Impurity 1
CAT No: CL-FMHS-05 CAS No: 1355648-15-5 Mol Wt: 426.9 Mol F: C22H28ClFO5 Inv Status: Custom Synthesis
Chemical Name: (6S,8S,9R,10S,11S,13S,14S,16R,17R)-9-chloro-6-fluoro-11,17-dihydroxy-17-(2-hydroxyacetyl)-10,13,16-trimethyl-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-3-one
Flumethasone Pivalate
CAT No: CL-FMHS-06 CAS No: 2002-29-1 Mol Wt: 494.6 Mol F: C27H36F2O6 Inv Status: Custom Synthesis
Chemical Name: 2-((6S,8S,9R,10S,11S,13S,14S,16R,17R)-6,9-Difluoro-11,17-dihydroxy-10,13,16-trimethyl-3-oxo-6,7,8,9,10,11,12,13,14,15,16,17-dodecahydro-3H-cyclopenta[a]phenanthren-17-yl)-2-oxoethyl pivalate
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