Triamterene EP Impurity B

Name: Triamterene EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-028504

About Triamterene EP Impurity B

Listed under CAS 19375-89-4, Triamterene EP Impurity B is a pharmacopeial impurity of Triamterene available from Vaqora Chemicals. Formula C12H10N6O, molecular weight 254.25 g/mol. Systematically, it is named 2,7-diamino-6-phenyl-3H-pteridin-4-one. Common synonyms include Triamterene Impurity B and Triamterene - Impurity B.

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.

This Triamterene impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Triamterene EP Impurity B is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Triamterene

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

Triamterene impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Triamterene EP Impurity B
Catalogue No.	VQ-028504
CAS Number	19375-89-4
IUPAC name	2,7-diamino-6-phenyl-3H-pteridin-4-one
Molecular formula	C₁₂H₁₀N₆O
Molecular weight	254.25 g/mol
Exact mass	254.0916
Grade	Reference Standard
HSN code	38229090
InChIKey	UDZYJMZMGMKNJZ-UHFFFAOYSA-N
SMILES	C1=CC=C(C=C1)C2=NC3=C(N=C2N)N=C(NC3=O)N
PubChem CID	135565029

Physical properties
Physical form	Solid
H-bond donors / acceptors	3 / 5
TPSA	119 Å²
Synonyms	Triamterene Impurity B, Triamterene - Impurity B, 4-Desamine-4-hydroxy triamterene, Triamterene specified impurity B, 2,7-Diamino-6-phenylpteridin-4-ol, 2,7-Diamino-6-phenyl-4-pteridinol, 4(3H)-Pteridinone, 2,7-diamino-6-phenyl-, 2,7-Diamino-4-hydroxy-6-phenylpteridine, Triamterene Impurity 5, 2,7-diamino-6-phenyl-8H-pteridin-4-one, 2,7-Diamino-6-phenyl-4-pteridinol #, 4-Hydroxy-2,7-diamino-6-phenylpteridine

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 Triamterene EP Impurity B?

The CAS Registry Number of Triamterene EP Impurity B is 19375-89-4. It is also known as Triamterene Impurity B, Triamterene - Impurity B, 4-Desamine-4-hydroxy triamterene.

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

Triamterene EP Impurity B has the molecular formula C12H10N6O and a molecular weight of 254.25 g/mol. Its IUPAC name is 2,7-diamino-6-phenyl-3H-pteridin-4-one.

What is Triamterene EP Impurity B used for?

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

We supply Triamterene 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 Triamterene EP Impurity B?

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

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