Sodium 5-oxo-4-(phenyldiazenyl)-1-(4-sulfonat… 1934-22-1

About Sodium 5-oxo-4-(phenyldiazenyl)-1-(4-sulfonatophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate

Sodium 5-oxo-4-(phenyldiazenyl)-1-(4-sulfonatophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate is an impurity of Tartrazine carrying the CAS registry number 1934-22-1. The compound has the formula C16H10N4Na2O6S, corresponding to a molecular weight of 432.3 g/mol.

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.

Pharmaceutical QC and development laboratories use this impurity standard of Tartrazine to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. It is used across pharmaceutical manufacturing and academic and industrial research.

We offer Sodium 5-oxo-4-(phenyldiazenyl)-1-(4-sulfonatophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

Analytical method development
Method validation (AMV)
QC release testing
ANDA / DMF filings

Industries

Related to Tartrazine

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

Tartrazine impurities

Specifications & identifiers

Chemical identifiers
Product name	Sodium 5-oxo-4-(phenyldiazenyl)-1-(4-sulfonatophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate
Catalogue No.	VQ-042371
CAS Number	1934-22-1
IUPAC name	disodium;5-oxo-4-phenyldiazenyl-1-(4-sulfonatophenyl)-4H-pyrazole-3-carboxylate
Molecular formula	C₁₆H₁₀N₄Na₂O₆S
Molecular weight	432.3 g/mol
Exact mass	432.0116
Grade	Reference Standard
HSN code	38229090
InChIKey	RIJCRHVARLHLQC-UHFFFAOYSA-L
SMILES	C1=CC=C(C=C1)N=NC2C(=NN(C2=O)C3=CC=C(C=C3)S(=O)(=O)[O-])C(=O)[O-].[Na+].[Na+]
PubChem CID	3014056

Physical properties
Physical form	Solid
H-bond donors / acceptors	0 / 9
TPSA	163 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 Sodium 5-oxo-4-(phenyldiazenyl)-1-(4-sulfonatophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate?

The CAS Registry Number of Sodium 5-oxo-4-(phenyldiazenyl)-1-(4-sulfonatophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate is 1934-22-1. It is also known as Disodium 4,5-dihydro-5-oxo-4-(phenylazo)-1-(4-sulphonatophenyl)-1H-pyrazole-3-carboxylate.

What is the molecular formula and molecular weight of Sodium 5-oxo-4-(phenyldiazenyl)-1-(4-sulfonatophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate?

Sodium 5-oxo-4-(phenyldiazenyl)-1-(4-sulfonatophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate has the molecular formula C16H10N4Na2O6S and a molecular weight of 432.3 g/mol.

What is Sodium 5-oxo-4-(phenyldiazenyl)-1-(4-sulfonatophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate used for?

Sodium 5-oxo-4-(phenyldiazenyl)-1-(4-sulfonatophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate is supplied as a characterised reference material related to Tartrazine. 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 Sodium 5-oxo-4-(phenyldiazenyl)-1-(4-sulfonatophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate can I order?

We supply Sodium 5-oxo-4-(phenyldiazenyl)-1-(4-sulfonatophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate 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 Sodium 5-oxo-4-(phenyldiazenyl)-1-(4-sulfonatophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate?

Yes. Every lot of Sodium 5-oxo-4-(phenyldiazenyl)-1-(4-sulfonatophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate 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 Sodium 5-oxo-4-(phenyldiazenyl)-1-(4-sulfonatophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate be shipped internationally?

Yes. We export Sodium 5-oxo-4-(phenyldiazenyl)-1-(4-sulfonatophenyl)-4,5-dihydro-1H-pyrazole-3-carboxylate worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.