Dapsone Azoxy Dimer

About Dapsone Azoxy Dimer

Dapsone Azoxy Dimer is an impurity of Dapsone carrying the CAS registry number 35040-12-1. With the molecular formula C24H20N4O5S2, it has a molar mass of 508.6 g/mol. Its systematic (IUPAC) name is [4-(4-aminophenyl)sulfonylphenyl]-[4-(4-aminophenyl)sulfonylphenyl]imino-oxidoazanium. It is also known as Azoxydapsone.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

This Dapsone impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Dapsone Azoxy Dimer in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Dapsone

View every impurity, metabolite and intermediate we list for Dapsone.

Dapsone impurities

Specifications & identifiers

Chemical identifiers
Product name	Dapsone Azoxy Dimer
Catalogue No.	VQ-047940
CAS Number	35040-12-1
IUPAC name	[4-(4-aminophenyl)sulfonylphenyl]-[4-(4-aminophenyl)sulfonylphenyl]imino-oxidoazanium
Molecular formula	C₂₄H₂₀N₄O₅S₂
Molecular weight	508.6 g/mol
Exact mass	508.0875
Grade	Reference Standard
HSN code	38229090
InChIKey	SMEWQWPADHSEIL-UHFFFAOYSA-N
SMILES	C1=CC(=CC=C1N)S(=O)(=O)C2=CC=C(C=C2)N=[N+](C3=CC=C(C=C3)S(=O)(=O)C4=CC=C(C=C4)N)[O-]
PubChem CID	380146

Physical properties
Physical form	Solid
LogP (XLogP3)	3.4
H-bond donors / acceptors	2 / 8
TPSA	178 Å²
Synonyms	Azoxydapsone, Benzenamine, 4,4'-(azoxybis(4,1-phenylenesulfonyl))bis-, 1,2-Bis(4-(4'-aminophenylsulfonylphenyl))diazine-1-oxide, 1,2-Bis(4-((4-aminophenyl)sulfonyl)phenyl)diazene 1-oxide, Azoxydapsone {1,2-bis-[4-(4'-aminophenylsulfonylphenyl)]- diazine-1-oxide}

Documents

Safety Data Sheet (SDS)16-section GHS · on request Certificate of AnalysisTypical / batch COA · on request Specification sheetTDS / MOA · on request

Frequently asked questions

What is the CAS number of Dapsone Azoxy Dimer?

The CAS Registry Number of Dapsone Azoxy Dimer is 35040-12-1. It is also known as Azoxydapsone, Benzenamine, 4,4'-(azoxybis(4,1-phenylenesulfonyl))bis-, 1,2-Bis(4-(4'-aminophenylsulfonylphenyl))diazine-1-oxide.

What is the molecular formula and molecular weight of Dapsone Azoxy Dimer?

Dapsone Azoxy Dimer has the molecular formula C24H20N4O5S2 and a molecular weight of 508.6 g/mol. Its IUPAC name is [4-(4-aminophenyl)sulfonylphenyl]-[4-(4-aminophenyl)sulfonylphenyl]imino-oxidoazanium.

What is Dapsone Azoxy Dimer used for?

Dapsone Azoxy Dimer is supplied as a characterised reference material related to Dapsone. It is used for analytical method development and validation (AMV), impurity profiling, stability studies and quality control, and in ANDA/DMF regulatory filings.

Which grade and pack sizes of Dapsone Azoxy Dimer can I order?

We supply Dapsone Azoxy Dimer in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Dapsone Azoxy Dimer?

Yes. Every lot of Dapsone Azoxy Dimer is shipped with a batch-specific Certificate of Analysis, and a 16-section GHS Safety Data Sheet is provided with the quotation and the shipment.

Can Dapsone Azoxy Dimer be shipped internationally?

Yes. We export Dapsone Azoxy Dimer worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.