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Dapsone Related Compounds & Impurities

Dapsone is a sulfone antibiotic and anti-inflammatory that inhibits dihydropteroate synthase in bacteria and has immunomodulatory properties, used for multidrug leprosy therapy, dermatitis herpetiformis and PCP prophylaxis.

Simson Pharma Limited along with its subsidiary offices Simson Pharma Global Ltd. (UK) and Simson Pharma Global LLC (USA) is a trusted manufacturer and supplier of high-quality pharmaceutical reference standards, offering a comprehensive portfolio of Dapsone reference standards, pharmacopeial and non-pharmacopeial Dapsone impurities, related compounds, related substances, metabolites, stable isotope-labelled compounds, deuterium labelled compounds and nitrosamine (N-NO) reference standards.

These materials support pharmaceutical research and development, product development, ANDA and DMF submissions, quality control (QC), analytical method development and validation, stability studies, impurity identification, and genotoxic impurity assessment.

Our Dapsone-related reference standards are thoroughly characterized using advanced analytical techniques and are supplied with comprehensive Certificates of Analysis (COA) and supporting analytical data from our USFDA certified, ISO 17025 and ISO 17034 accredited Lab, to meet global regulatory expectations. EP and USP traceable reference standards can also be provided upon request, subject to availability. Simson is also a provider of EP and USP traceable standards. To ensure consistent quality and reliability, our reference standards are periodically re-tested according to established quality management procedures.

Impurity Standards

2,2'-Sulfonyldianiline

CAT. No.D570014 CAS No.53347-49-2 Mol. F.C12H12N2O2S Mol. W.248.30 g/mol Stock Status Custom Synthesis
COA MSDS

4,4~-Sulfonyldibenzoic acid

CAT. No.D570026 CAS No.2449-35-6 Mol. F.C14H10O6S Mol. W.306.30 g/mol Stock Status Custom Synthesis
COA MSDS

4-Phenylsulfonylaniline

CAT. No.D570018 CAS No.7019-01-4 Mol. F.C12H11NO2S Mol. W.233.29 g/mol Stock Status Instock
COA MSDS

Acedapsone

CAT. No.D570025 CAS No.77-46-3 Mol. F.C16H16N2O4S Mol. W.332.40 g/mol Stock Status Custom Synthesis
COA MSDS

Bis(2-nitrophenyl) Sulfide

CAT. No.D570012 CAS No.22100-66-9 Mol. F.C12H8N2O4S Mol. W.276.27 g/mol Stock Status Custom Synthesis
COA MSDS

Dapsone Azoxy Dimer

CAT. No.D570043 CAS No.35040-12-1 Mol. F.C24H20N4O5S2 Mol. W.508.57 g/mol Stock Status Instock
COA MSDS

Dapsone Dimer Impurity

CAT. No.D570027 CAS No.NA Mol. F.C24H22N4O4S2 Mol. W.494.59 g/mol Stock Status Custom Synthesis
COA MSDS

Dapsone EP Impurity A

CAT. No.D570003 CAS No.25963-47-7 Mol. F.C12H11NO3S Mol. W.249.29 g/mol Stock Status Instock
COA MSDS

Dapsone Hydroxylamine

CAT. No.D570021 CAS No.32695-27-5 Mol. F.C12H12N2O3S Mol. W.264.30 g/mol Stock Status Instock
COA MSDS

Dapsone Impurity 1

CAT. No.D570011 CAS No.80-00-2 Mol. F.C12H9ClO2S Mol. W.252.72 g/mol Stock Status Instock
COA MSDS

Dapsone Impurity 10

CAT. No.D570015 CAS No.116435-84-8 Mol. F.C12H12N2O2S Mol. W.248.30 g/mol Stock Status Instock
COA MSDS

Dapsone Impurity 11

CAT. No.D570004 CAS No.80-07-9 Mol. F.C12H8Cl2O2S Mol. W.287.16 g/mol Stock Status Instock
COA MSDS

Dapsone Impurity 12

CAT. No.D570006 CAS No.80-09-1 Mol. F.C12H10O4S Mol. W.250.27 g/mol Stock Status Instock
COA MSDS

Working Standards

Dapsone

CAT. No.D570000 CAS No.80-08-0 Mol. F.C12H12N2O2S Mol. W.248.30 g/mol Stock Status Instock
COA MSDS

Product structure

Sample structure

Catalogue no.: — CAS no.: — Formula: — Mol. weight: —

Illustrative sample structure
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