Theophylline EP Impurity E

Name: Theophylline EP Impurity E
Brand: Vaqora Chemicals
SKU: VQ-024725

About Theophylline EP Impurity E

Listed under CAS 944-73-0, Theophylline EP Impurity E is a pharmacopeial impurity of Theophylline available from Vaqora Chemicals. The compound has the formula C7H8N4O3, corresponding to a molecular weight of 196.16 g/mol. Its systematic (IUPAC) name is 1,3-dimethyl-7,9-dihydropurine-2,6,8-trione. Common synonyms include 1,3-Dimethyluric Acid and Theophylline - Impurity E.

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

As a characterised impurity of Theophylline, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Theophylline EP Impurity E 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 Theophylline

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

Theophylline impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Theophylline EP Impurity E
Catalogue No.	VQ-024725
CAS Number	944-73-0
IUPAC name	1,3-dimethyl-7,9-dihydropurine-2,6,8-trione
Molecular formula	C₇H₈N₄O₃
Molecular weight	196.16 g/mol
Exact mass	196.0596
Grade	Reference Standard
HSN code	38229090
InChIKey	OTSBKHHWSQYEHK-UHFFFAOYSA-N
SMILES	CN1C2=C(C(=O)N(C1=O)C)NC(=O)N2
PubChem CID	70346

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.5
H-bond donors / acceptors	2 / 3
TPSA	81.8 Å²
Synonyms	1,3-Dimethyluric Acid, Theophylline - Impurity E, Oxytheophylline, 7,9-Dihydro-1,3-dimethyl-1H-purine-2,6,8(3H)-trione, 1H-Purine-2,6,8(3H)-trione, 7,9-dihydro-1,3-dimethyl-, 1,3-Dimethyl-7,9-dihydro-1H-purine-2,6,8(3H)-trione, 1,3-dimethyl-2,3,6,7,8,9-hexahydro-1H-purine-2,6,8-trione, 1,3-diMethyl-1H-purine-2,6,8(3H,7H,9H)-trione, 1,3-Dimethylurate, Uric acid, 1,3-dimethyl-, Uric acid, 1,3-dimethyl- (VAN), 1,3-Dimethyl-7,9-dihydro-3H-purine-2,6,8-trione

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 Theophylline EP Impurity E?

The CAS Registry Number of Theophylline EP Impurity E is 944-73-0. It is also known as 1,3-Dimethyluric Acid, Theophylline - Impurity E, Oxytheophylline.

What is the molecular formula and molecular weight of Theophylline EP Impurity E?

Theophylline EP Impurity E has the molecular formula C7H8N4O3 and a molecular weight of 196.16 g/mol. Its IUPAC name is 1,3-dimethyl-7,9-dihydropurine-2,6,8-trione.

What is Theophylline EP Impurity E used for?

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

We supply Theophylline EP Impurity E 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 Theophylline EP Impurity E?

Yes. Every lot of Theophylline EP Impurity E 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 Theophylline EP Impurity E be shipped internationally?

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