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Cleanchem is a trusted provider of premium pharmaceutical reference materials, specializing in Sivelestat and its associated compounds. Our catalog includes pharmacopeial and non-pharmacopeial Sivelestat 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 Sivelestat-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.

Sivelestat
CAT No: CL-SVLS-01 CAS No: NA Mol Wt: 434.5 Mol F: C20H22N2O7S Inv Status: Custom Synthesis
Chemical Name: 2-(2-(4-(pivaloyloxy)phenylsulfonamido)benzamido)acetic acid
Sivelestat Impurity 1
CAT No: CL-SVLS-02 CAS No: NA Mol Wt: 258.3 Mol F: C11H14O5S Inv Status: Custom Synthesis
Chemical Name: 2-(Pivaloyloxy)benzenesulfonic acid
Sivelestat Impurity 2
CAT No: CL-SVLS-03 CAS No: NA Mol Wt: 276.7 Mol F: C11H13ClO4S Inv Status: Custom Synthesis
Chemical Name: 2-(Chlorosulfonyl)phenyl pivalate
Sivelestat Impurity 3
CAT No: CL-SVLS-04 CAS No: NA Mol Wt: 434.5 Mol F: C20H22N2O7S Inv Status: Custom Synthesis
Chemical Name: (2-((2-(Pivaloyloxy)phenyl)sulfonamido)benzoyl)glycine
Sivelestat Impurity 4
CAT No: CL-SVLS-05 CAS No: NA Mol Wt: 338.3 Mol F: C11H14O8S2 Inv Status: Custom Synthesis
Chemical Name: 4-(Pivaloyloxy)benzene-1,3-disulfonic acid
Sivelestat Impurity 5
CAT No: CL-SVLS-06 CAS No: NA Mol Wt: 375.2 Mol F: C11H12Cl2O6S2 Inv Status: Custom Synthesis
Chemical Name: 2,4-Bis(chlorosulfonyl)phenyl pivalate
Sivelestat Impurity 6
CAT No: CL-SVLS-07 CAS No: NA Mol Wt: 690.7 Mol F: C29H30N4O12S2 Inv Status: Custom Synthesis
Chemical Name: 2,2'-((2,2'-((4-(Pivaloyloxy)-1,3-phenylenedisulfonyl)bis(azanediyl))bis(benzoyl))bis(azanediyl))diacetic acid
Sivelestat Impurity 7
CAT No: CL-SVLS-08 CAS No: NA Mol Wt: 432.9 Mol F: C17H17ClO7S2 Inv Status: Custom Synthesis
Chemical Name: 4-((4-(Chlorosulfonyl)phenoxy)sulfonyl)phenyl pivalate
Sivelestat Impurity 8
CAT No: CL-SVLS-09 CAS No: NA Mol Wt: 348.8 Mol F: C12H9ClO6S2 Inv Status: Custom Synthesis
Chemical Name: 4-(Chlorosulfonyl)phenyl 4-hydroxybenzenesulfonate
Sivelestat Impurity 9
CAT No: CL-SVLS-10 CAS No: 100953-44-4 Mol Wt: 330.3 Mol F: C12H10O7S2 Inv Status: Custom Synthesis
Chemical Name: 4-(((4-Hydroxyphenyl)sulfonyl)oxy)benzenesulfonic acid
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