N-Acetyl Dapsone

Name: N-Acetyl Dapsone
Brand: Vaqora Chemicals
SKU: VQ-030038

About N-Acetyl Dapsone

N-Acetyl Dapsone is an impurity of Dapsone carrying the CAS registry number 565-20-8. Its molecular formula is C14H14N2O3S and its molecular weight is 290.34 g/mol. The IUPAC name is N-[4-(4-aminophenyl)sulfonylphenyl]acetamide. Alternative names: Monoacetyl Dapsone and Monoacetyldapsone.

The product is provided as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Danger” with 4 hazard statements. Review the Safety Data Sheet before use.

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. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies N-Acetyl Dapsone in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports 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	N-Acetyl Dapsone
Catalogue No.	VQ-030038
CAS Number	565-20-8
IUPAC name	N-[4-(4-aminophenyl)sulfonylphenyl]acetamide
Molecular formula	C₁₄H₁₄N₂O₃S
Molecular weight	290.34 g/mol
Exact mass	290.0725
Grade	Reference Standard
HSN code	38229090
InChIKey	WDOCBIHNYYQINH-UHFFFAOYSA-N
SMILES	CC(=O)NC1=CC=C(C=C1)S(=O)(=O)C2=CC=C(C=C2)N
PubChem CID	11257

Physical properties
Physical form	Solid
LogP (XLogP3)	0.9
H-bond donors / acceptors	2 / 4
TPSA	97.6 Å²
Synonyms	Monoacetyl Dapsone, Monoacetyldapsone, Acetyldapsone, 4'-Sulfanilylacetanilide, N-(4-((4-Aminophenyl)sulfonyl)phenyl)acetamide, Acetamide, N-(4-((4-aminophenyl)sulfonyl)phenyl)-, Acetamide, N-[4-[(4-aminophenyl)sulfonyl]phenyl]-, N-{4-[(4-aminophenyl)sulfonyl]phenyl}acetamide, N-(4-[(4-Aminophenyl)sulfonyl]phenyl)acetamide, N-[4-[(4-aminophenyl)sulfonyl]phenyl]acetamide, monoacetyl-diaminodiphenylsulfone

Safety & hazard information (GHS)

Corrosive

Harmful / irritant

Signal word: Danger

Hazard statements

H315Causes skin irritation
H317May cause an allergic skin reaction
H318Causes serious eye damage
H335May cause respiratory irritation

Precautionary statements: P261, P264, P264 + P265, P271, P272, P280, P302 + P352, P304 + P340, P305 + P354 + P338, P317, P319, P321, P332 + P317, P333 + P317, P362 + P364, P403 + P233, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 N-Acetyl Dapsone?

The CAS Registry Number of N-Acetyl Dapsone is 565-20-8. It is also known as Monoacetyl Dapsone, Monoacetyldapsone, Acetyldapsone.

What is the molecular formula and molecular weight of N-Acetyl Dapsone?

N-Acetyl Dapsone has the molecular formula C14H14N2O3S and a molecular weight of 290.34 g/mol. Its IUPAC name is N-[4-(4-aminophenyl)sulfonylphenyl]acetamide.

What is N-Acetyl Dapsone used for?

N-Acetyl Dapsone 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 N-Acetyl Dapsone can I order?

We supply N-Acetyl Dapsone 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 N-Acetyl Dapsone?

Yes. Every lot of N-Acetyl Dapsone 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 N-Acetyl Dapsone be shipped internationally?

Yes. N-Acetyl Dapsone is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.