Dapsone EP Impurity D

Name: Dapsone EP Impurity D
Brand: Vaqora Chemicals
SKU: VQ-030040

About Dapsone EP Impurity D

Dapsone EP Impurity D is a pharmacopeial impurity of Dapsone carrying the CAS registry number 27147-69-9. The compound has the formula C12H12N2O2S, corresponding to a molecular weight of 248.3 g/mol. Its systematic (IUPAC) name is 2-(4-aminophenyl)sulfonylaniline. It is also known as Dapsone - Impurity D or 2,4'-Diaminophenyl Sulfone.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Good laboratory practice and suitable PPE are recommended during handling.

Pharmaceutical QC and development laboratories use this impurity standard of Dapsone to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Dapsone EP Impurity D is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

Pharmacopeial method verification
Impurity profiling
QC release testing
ANDA / DMF filings

Industries

Related to Dapsone

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

Dapsone impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Dapsone EP Impurity D
Catalogue No.	VQ-030040
CAS Number	27147-69-9
IUPAC name	2-(4-aminophenyl)sulfonylaniline
Molecular formula	C₁₂H₁₂N₂O₂S
Molecular weight	248.3 g/mol
Exact mass	248.0619
Grade	Reference Standard
HSN code	38229090
InChIKey	BYVOGVXITRNMSF-UHFFFAOYSA-N
SMILES	C1=CC=C(C(=C1)N)S(=O)(=O)C2=CC=C(C=C2)N
PubChem CID	458049

Physical properties
Physical form	Solid
LogP (XLogP3)	1.6
H-bond donors / acceptors	2 / 4
TPSA	94.6 Å²
Synonyms	Dapsone - Impurity D, 2,4'-Diaminophenyl Sulfone, 2-((4-Aminophenyl)sulfonyl)aniline, 2,4'-diaminodiphenylsulfone, Dapsone Impurity 19, o,p'-Sulfonyldianiline, Benzenamine, 2-[(4-aminophenyl)sulfonyl]-, Aniline, 2,4'-sulfonyldi-, 2,4'-Diaminodiphenyl sulfone, 4,2'-Bis(aminophenyl) sulfone, 2-(4-Aminobenzene-1-sulfonyl)aniline, 2-[(4-Aminophenyl)sulfonyl]benzenamine

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 EP Impurity D?

The CAS Registry Number of Dapsone EP Impurity D is 27147-69-9. It is also known as Dapsone - Impurity D, 2,4'-Diaminophenyl Sulfone, 2-((4-Aminophenyl)sulfonyl)aniline.

What is the molecular formula and molecular weight of Dapsone EP Impurity D?

Dapsone EP Impurity D has the molecular formula C12H12N2O2S and a molecular weight of 248.3 g/mol. Its IUPAC name is 2-(4-aminophenyl)sulfonylaniline.

What is Dapsone EP Impurity D used for?

Dapsone EP Impurity D 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 EP Impurity D can I order?

We supply Dapsone EP Impurity D 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 EP Impurity D?

Yes. Every lot of Dapsone EP Impurity D 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 EP Impurity D be shipped internationally?

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