Worldwide shipping · 120+ destinationsCOA & GHS SDS with every lotMon–Sat, 09:30–18:30 IST
VAQORACHEMICALS
Pharmacopeial Impurities (EP / USP / BP)Reference StandardAvailable on request

Sulfasalazine EP Impurity I

Synonyms: 2-Hydroxy-5-((4-sulfophenyl)diazenyl)benzoic acid · Benzoic acid, 2-hydroxy-5-(2-(4-sulfophenyl)diazenyl)- · 5-(4-sulfophenylazo)salicylic acid · benzoic acid, 2-hydroxy-5-(4-sulfophenylazo)-

CAS No.1310803-27-0
FormulaC13H10N2O6S
Mol. weight322.30
Catalogue No.VQ-049050
PurityReference Standard
HSN38229090

Sulfasalazine EP Impurity I (CAS 1310803-27-0) – Mesalazine impurity standard. C13H10N2O6S, MW 322.3. 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
Enquire
Enquire
Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Sulfasalazine EP Impurity I

Listed under CAS 1310803-27-0, Sulfasalazine EP Impurity I is a pharmacopeial impurity of Mesalazine available from Vaqora Chemicals. The compound has the formula C13H10N2O6S, corresponding to a molecular weight of 322.3 g/mol. Its systematic (IUPAC) name is 2-hydroxy-5-[(4-sulfophenyl)diazenyl]benzoic acid. Common synonyms include 5-(4-sulfophenylazo)salicylic acid and benzoic acid, 2-hydroxy-5-(4-sulfophenylazo)-.

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. Good laboratory practice and suitable PPE are recommended during handling.

This Mesalazine impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer Sulfasalazine EP Impurity I in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Mesalazine

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

Mesalazine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product nameSulfasalazine EP Impurity I
Catalogue No.VQ-049050
CAS Number1310803-27-0
IUPAC name2-hydroxy-5-[(4-sulfophenyl)diazenyl]benzoic acid
Molecular formulaC13H10N2O6S
Molecular weight322.3 g/mol
Exact mass322.026
GradeReference Standard
HSN code38229090
InChIKeyMXCDRFGKHNFKIP-UHFFFAOYSA-N
SMILESC1=CC(=CC=C1N=NC2=CC(=C(C=C2)O)C(=O)O)S(=O)(=O)O
PubChem CID80158
Physical properties
Physical formSolid
LogP (XLogP3)-1.7
H-bond donors / acceptors3 / 8
TPSA145 Ų
Synonyms2-Hydroxy-5-((4-sulfophenyl)diazenyl)benzoic acid, Benzoic acid, 2-hydroxy-5-(2-(4-sulfophenyl)diazenyl)-, 5-(4-sulfophenylazo)salicylic acid, benzoic acid, 2-hydroxy-5-(4-sulfophenylazo)-, 2-Hydroxy-5-[2-(4-sulfophenyl)diazenyl]benzoic acid

Documents

Frequently asked questions

What is the CAS number of Sulfasalazine EP Impurity I?

The CAS Registry Number of Sulfasalazine EP Impurity I is 1310803-27-0. It is also known as 2-Hydroxy-5-((4-sulfophenyl)diazenyl)benzoic acid, Benzoic acid, 2-hydroxy-5-(2-(4-sulfophenyl)diazenyl)-, 5-(4-sulfophenylazo)salicylic acid.

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

Sulfasalazine EP Impurity I has the molecular formula C13H10N2O6S and a molecular weight of 322.3 g/mol. Its IUPAC name is 2-hydroxy-5-[(4-sulfophenyl)diazenyl]benzoic acid.

What is Sulfasalazine EP Impurity I used for?

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

We supply Sulfasalazine EP Impurity I 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 I?

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

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

Enquire about Sulfasalazine EP Impurity I

We reply within one business day with price, pack options, lead time and documentation.

By submitting you agree to our privacy policy. We never share your details.

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
How ordering works

Related products

More in Pharmacopeial Impurities (EP / USP / BP) →