Olsalazine EP Impurity A

Name: Olsalazine EP Impurity A
Brand: Vaqora Chemicals
SKU: VQ-032250

About Olsalazine EP Impurity A

Listed under CAS 2749969-12-6, Olsalazine EP Impurity A is a pharmacopeial impurity of Olsalazine available from Vaqora Chemicals. Formula C15H12N2O6, molecular weight 316.26 g/mol. Systematically, it is named 5-[(3-carboxy-4-methoxyphenyl)diazenyl]-2-hydroxybenzoic acid. Common synonyms include Olsalazine Sodium - Impurity A.

It is supplied 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.

Pharmaceutical QC and development laboratories use this impurity standard of Olsalazine 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.

We offer Olsalazine EP Impurity A 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 Olsalazine

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

Olsalazine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Olsalazine EP Impurity A
Catalogue No.	VQ-032250
CAS Number	2749969-12-6
IUPAC name	5-[(3-carboxy-4-methoxyphenyl)diazenyl]-2-hydroxybenzoic acid
Molecular formula	C₁₅H₁₂N₂O₆
Molecular weight	316.26 g/mol
Exact mass	316.0695
Grade	Reference Standard
HSN code	38229090
InChIKey	MUMYHAQPKQHRED-UHFFFAOYSA-N
SMILES	COC1=C(C=C(C=C1)N=NC2=CC(=C(C=C2)O)C(=O)O)C(=O)O
PubChem CID	176482072

Physical properties
Physical form	Solid
LogP (XLogP3)	2.9
H-bond donors / acceptors	3 / 8
TPSA	129 Å²

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 Olsalazine EP Impurity A?

The CAS Registry Number of Olsalazine EP Impurity A is 2749969-12-6. It is also known as Olsalazine Sodium - Impurity A, 5-((3-Carboxy-4-hydroxyphenyl)diazenyl)-2-methoxybenzoic acid, (E)-5-((3-carboxy-4-hydroxyphenyl)diazenyl)-2-methoxybenzoic acid.

What is the molecular formula and molecular weight of Olsalazine EP Impurity A?

Olsalazine EP Impurity A has the molecular formula C15H12N2O6 and a molecular weight of 316.26 g/mol. Its IUPAC name is 5-[(3-carboxy-4-methoxyphenyl)diazenyl]-2-hydroxybenzoic acid.

What is Olsalazine EP Impurity A used for?

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

We supply Olsalazine EP Impurity A 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 Olsalazine EP Impurity A?

Yes. Every lot of Olsalazine EP Impurity A 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 Olsalazine EP Impurity A be shipped internationally?

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