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VAQORACHEMICALS
API ImpuritiesReference StandardAvailable on request

4,4'-Sulfinylbis(nitrobenzene)

Synonyms: Bis(p-nitrophenyl) sulfoxide · Bis(4-nitrophenyl) sulfoxide · 4,4'-Dinitrodiphenyl sulfoxide · Sulfoxide, bis(p-nitrophenyl)

CAS No.1774-38-5
FormulaC12H8N2O5S
Mol. weight292.27
Catalogue No.VQ-047937
PurityReference Standard
HSN38229090

4,4'-Sulfinylbis(nitrobenzene) (CAS 1774-38-5) – Dapsone impurity standard. C12H8N2O5S, MW 292.27. From Vaqora Chemicals, with COA and worldwide delivery.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
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16-section GHS SDS
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DG-compliant packing

About 4,4'-Sulfinylbis(nitrobenzene)

Vaqora Chemicals supplies 4,4'-Sulfinylbis(nitrobenzene), an impurity of Dapsone registered under CAS number 1774-38-5. Formula C12H8N2O5S, molecular weight 292.27 g/mol. Systematically, it is named 1-nitro-4-(4-nitrophenyl)sulfinylbenzene. Common synonyms include Bis(p-nitrophenyl) sulfoxide and Bis(4-nitrophenyl) sulfoxide.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of Dapsone, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies 4,4'-Sulfinylbis(nitrobenzene) 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 name4,4'-Sulfinylbis(nitrobenzene)
Catalogue No.VQ-047937
CAS Number1774-38-5
IUPAC name1-nitro-4-(4-nitrophenyl)sulfinylbenzene
Molecular formulaC12H8N2O5S
Molecular weight292.27 g/mol
Exact mass292.0154
GradeReference Standard
HSN code38229090
InChIKeyFOPAYJWJHKMOHS-UHFFFAOYSA-N
SMILESC1=CC(=CC=C1[N+](=O)[O-])S(=O)C2=CC=C(C=C2)[N+](=O)[O-]
PubChem CID96633
Physical properties
Physical formSolid
LogP (XLogP3)2.4
H-bond donors / acceptors0 / 6
TPSA128 Ų
SynonymsBis(p-nitrophenyl) sulfoxide, Bis(4-nitrophenyl) sulfoxide, 4,4'-Dinitrodiphenyl sulfoxide, Sulfoxide, bis(p-nitrophenyl), 1,1'-Sulfinylbis(4-nitrobenzene), 1,1'-Sulfinylbis[4-nitrobenzene], p-nitrophenyl sulfoxide, Bis[p-nitrophenyl]sulfoxide

Documents

Frequently asked questions

What is the CAS number of 4,4'-Sulfinylbis(nitrobenzene)?

The CAS Registry Number of 4,4'-Sulfinylbis(nitrobenzene) is 1774-38-5. It is also known as Bis(p-nitrophenyl) sulfoxide, Bis(4-nitrophenyl) sulfoxide, 4,4'-Dinitrodiphenyl sulfoxide.

What is the molecular formula and molecular weight of 4,4'-Sulfinylbis(nitrobenzene)?

4,4'-Sulfinylbis(nitrobenzene) has the molecular formula C12H8N2O5S and a molecular weight of 292.27 g/mol. Its IUPAC name is 1-nitro-4-(4-nitrophenyl)sulfinylbenzene.

What is 4,4'-Sulfinylbis(nitrobenzene) used for?

4,4'-Sulfinylbis(nitrobenzene) 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 4,4'-Sulfinylbis(nitrobenzene) can I order?

We supply 4,4'-Sulfinylbis(nitrobenzene) 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 4,4'-Sulfinylbis(nitrobenzene)?

Yes. Every lot of 4,4'-Sulfinylbis(nitrobenzene) 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 4,4'-Sulfinylbis(nitrobenzene) be shipped internationally?

Yes. We export 4,4'-Sulfinylbis(nitrobenzene) worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.

Enquire about 4,4'-Sulfinylbis(nitrobenzene)

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
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