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Pharmacopeial Impurities (EP / USP / BP)Reference StandardAvailable on request

Sulfasalazine EP Impurity B

Synonyms: Sulfasalazine - Impurity B · 2-Hydroxy-3,5-bis(2-(4-(pyridin-2-ylsulfamoyl)phenyl)diazenyl)benzoic acid · Sulfasalazine Impurity B · 2-hydroxy-3,5-bis((E)-(4-(N-(pyridin-2- yl)sulfamoyl)phenyl)diazenyl)benzoic acid

CAS No.1391062-49-9
FormulaC29H22N8O7S2
Mol. weight658.70
Catalogue No.VQ-023814
PurityReference Standard
HSN38229090

Sulfasalazine EP Impurity B (CAS 1391062-49-9) – Sulfasalazine impurity standard. C29H22N8O7S2, MW 658.7. Vaqora Chemicals: COA, global shipping.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
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16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Sulfasalazine EP Impurity B

Vaqora Chemicals supplies Sulfasalazine EP Impurity B, a pharmacopeial impurity of Sulfasalazine registered under CAS number 1391062-49-9. Its molecular formula is C29H22N8O7S2 and its molecular weight is 658.7 g/mol. Its systematic (IUPAC) name is 2-hydroxy-3,5-bis[[4-(pyridin-2-ylsulfamoyl)phenyl]diazenyl]benzoic acid. Alternative names: Sulfasalazine - Impurity B and Sulfasalazine Impurity B.

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Handle it with standard laboratory precautions and appropriate personal protective equipment.

As a characterised impurity of Sulfasalazine, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Sulfasalazine

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

Sulfasalazine impurities

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Specifications & identifiers

Chemical identifiers
Product nameSulfasalazine EP Impurity B
Catalogue No.VQ-023814
CAS Number1391062-49-9
IUPAC name2-hydroxy-3,5-bis[[4-(pyridin-2-ylsulfamoyl)phenyl]diazenyl]benzoic acid
Molecular formulaC29H22N8O7S2
Molecular weight658.7 g/mol
Exact mass658.1053
GradeReference Standard
HSN code38229090
InChIKeyXUCGEVUEJYLZHM-UHFFFAOYSA-N
SMILESC1=CC=NC(=C1)NS(=O)(=O)C2=CC=C(C=C2)N=NC3=CC(=C(C(=C3)N=NC4=CC=C(C=C4)S(=O)(=O)NC5=CC=CC=N5)O)C(=O)O
PubChem CID135564612
Physical properties
Physical formSolid
LogP (XLogP3)0.9
H-bond donors / acceptors4 / 15
TPSA242 Ų
SynonymsSulfasalazine - Impurity B, 2-Hydroxy-3,5-bis(2-(4-(pyridin-2-ylsulfamoyl)phenyl)diazenyl)benzoic acid, Sulfasalazine Impurity B, 2-hydroxy-3,5-bis((E)-(4-(N-(pyridin-2- yl)sulfamoyl)phenyl)diazenyl)benzoic acid, 2-Hydroxy-3,5-bis((4-(N-(pyridin-2-yl)sulfamoyl)phenyl)diazenyl)benzoic acid, 2-Hydroxy-3,5-bis[2-[4-[(2-pyridinylamino)sulfonyl]phenyl]diazenyl]-benzoic acid

Documents

Frequently asked questions

What is the CAS number of Sulfasalazine EP Impurity B?

The CAS Registry Number of Sulfasalazine EP Impurity B is 1391062-49-9. It is also known as Sulfasalazine - Impurity B, 2-Hydroxy-3,5-bis(2-(4-(pyridin-2-ylsulfamoyl)phenyl)diazenyl)benzoic acid, Sulfasalazine Impurity B.

What is the molecular formula and molecular weight of Sulfasalazine EP Impurity B?

Sulfasalazine EP Impurity B has the molecular formula C29H22N8O7S2 and a molecular weight of 658.7 g/mol. Its IUPAC name is 2-hydroxy-3,5-bis[[4-(pyridin-2-ylsulfamoyl)phenyl]diazenyl]benzoic acid.

What is Sulfasalazine EP Impurity B used for?

Sulfasalazine EP Impurity B is supplied as a characterised reference material related to Sulfasalazine. 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 Sulfasalazine EP Impurity B can I order?

We supply Sulfasalazine EP Impurity B 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 Sulfasalazine EP Impurity B?

Yes. Every lot of Sulfasalazine EP Impurity B 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 Sulfasalazine EP Impurity B be shipped internationally?

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

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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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Related products

Reference Standard
Sulfasalazine chemical structure
Sulfasalazine
CAS
599-79-1
Formula
C18H14N4O5S
MW
398.4 g/mol
VQ-023808

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