6-Methyl Sulfasalazine

Name: 6-Methyl Sulfasalazine
Brand: Vaqora Chemicals
SKU: VQ-023811

About 6-Methyl Sulfasalazine

6-Methyl Sulfasalazine (CAS 42753-55-9) is an impurity of Sulfasalazine offered by Vaqora Chemicals. The compound has the formula C19H16N4O5S, corresponding to a molecular weight of 412.4 g/mol. Systematically, it is named 2-hydroxy-5-[[4-[(6-methyl-2-pyridinyl)sulfamoyl]phenyl]diazenyl]benzoic acid. Alternative names: Sulfasalazine Derivative.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. The GHS classification uses the signal word “Danger”, so appropriate gloves, eye protection and ventilation are recommended.

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.

Vaqora Chemicals supplies 6-Methyl Sulfasalazine 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 Sulfasalazine

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

Sulfasalazine impurities

Specifications & identifiers

Chemical identifiers
Product name	6-Methyl Sulfasalazine
Catalogue No.	VQ-023811
CAS Number	42753-55-9
IUPAC name	2-hydroxy-5-[[4-[(6-methyl-2-pyridinyl)sulfamoyl]phenyl]diazenyl]benzoic acid
Molecular formula	C₁₉H₁₆N₄O₅S
Molecular weight	412.4 g/mol
Exact mass	412.0841
Grade	Reference Standard
HSN code	38229090
InChIKey	BOUXQAITXDAJSF-UHFFFAOYSA-N
SMILES	CC1=NC(=CC=C1)NS(=O)(=O)C2=CC=C(C=C2)N=NC3=CC(=C(C=C3)O)C(=O)O
PubChem CID	136234040

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.3
H-bond donors / acceptors	3 / 9
TPSA	150 Å²
Synonyms	Sulfasalazine Derivative, 2-Hydroxy-5-((4-(N-(6-methylpyridin-2-yl)sulfamoyl)phenyl)diazenyl)benzoic acid, 2-hydroxy-5-[[4-[(6-methylpyridin-2-yl)sulfamoyl]phenyl]diazenyl]benzoic acid, 2-Hydroxy-5-[[4-[[(6-methyl-2-pyridinyl)amino]sulfonyl]phenyl]azo]benzoic Acid, 2-Hydroxy-5-[2-[4-[[(6-methyl-2-pyridinyl)amino]sulfonyl]phenyl]diazenyl]benzoic Acid, (E)-2-hydroxy-5-((4-(N-(6-methylpyridin-2-yl)sulfamoyl)phenyl)diazenyl)benzoic acid

Safety & hazard information (GHS)

Health hazard

Signal word: Danger

Hazard statements

H317May cause an allergic skin reaction
H334May cause allergy or asthma symptoms or breathing difficulties if inhaled

Precautionary statements: P233, P260, P261, P271, P272, P280, P284, P302 + P352, P304 + P340, P321, P333 + P317, P342 + P316, P362 + P364, P403, 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 6-Methyl Sulfasalazine?

The CAS Registry Number of 6-Methyl Sulfasalazine is 42753-55-9. It is also known as Sulfasalazine Derivative, 2-Hydroxy-5-((4-(N-(6-methylpyridin-2-yl)sulfamoyl)phenyl)diazenyl)benzoic acid, 2-hydroxy-5-[[4-[(6-methylpyridin-2-yl)sulfamoyl]phenyl]diazenyl]benzoic acid.

What is the molecular formula and molecular weight of 6-Methyl Sulfasalazine?

6-Methyl Sulfasalazine has the molecular formula C19H16N4O5S and a molecular weight of 412.4 g/mol. Its IUPAC name is 2-hydroxy-5-[[4-[(6-methyl-2-pyridinyl)sulfamoyl]phenyl]diazenyl]benzoic acid.

What is 6-Methyl Sulfasalazine used for?

6-Methyl Sulfasalazine 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 6-Methyl Sulfasalazine can I order?

We supply 6-Methyl Sulfasalazine 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 6-Methyl Sulfasalazine?

Yes. Every lot of 6-Methyl Sulfasalazine 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 6-Methyl Sulfasalazine be shipped internationally?

Yes. 6-Methyl Sulfasalazine 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.