Pentoxifylline EP Impurity E

Name: Pentoxifylline EP Impurity E
Brand: Vaqora Chemicals
SKU: VQ-034880

About Pentoxifylline EP Impurity E

Pentoxifylline EP Impurity E (CAS 77196-87-3) is a pharmacopeial impurity of Pentoxifylline offered by Vaqora Chemicals. With the molecular formula C15H16N8O4, it has a molar mass of 372.34 g/mol. Its systematic (IUPAC) name is 1-[(3,7-dimethyl-2,6-dioxopurin-1-yl)methyl]-3,7-dimethylpurine-2,6-dione. It is also known as Pentoxifylline - Impurity E or 1,1'-Methylene Bis[Theobromine].

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

As a characterised impurity of Pentoxifylline, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Pentoxifylline EP Impurity E in 10 mg, 25 mg, 50 mg and 100 mg packs, each shipped with a Certificate of Analysis (COA), and exports worldwide.

Typical applications

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

Industries

Related to Pentoxifylline

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

Pentoxifylline impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Pentoxifylline EP Impurity E
Catalogue No.	VQ-034880
CAS Number	77196-87-3
IUPAC name	1-[(3,7-dimethyl-2,6-dioxopurin-1-yl)methyl]-3,7-dimethylpurine-2,6-dione
Molecular formula	C₁₅H₁₆N₈O₄
Molecular weight	372.34 g/mol
Exact mass	372.1295
Grade	Reference Standard
HSN code	38229090
InChIKey	JQLBZHMVLVGVBB-UHFFFAOYSA-N
SMILES	CN1C=NC2=C1C(=O)N(C(=O)N2C)CN3C(=O)C4=C(N=CN4C)N(C3=O)C
PubChem CID	13565719

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.6
H-bond donors / acceptors	0 / 6
TPSA	117 Å²
Synonyms	Pentoxifylline - Impurity E, 1,1'-Methylene Bis[Theobromine], 1,1'-Methylene bis(theobromine), 1,1'-methylenebis(3,7-dimethyl-1H-purine-2,6(3H,7H)-dione), 1,1-Methylenebis(3,7-dimethyl-3,7-dihydro-1H-purine-2,6-dione), 1,1'-Methylenebis[3,7-dihydro-3,7-dimethyl-1H-purine-2,6-dione], 1,1'-Methylenebis(3,7-dimethyl-3,7-dihydro-1H-purine-2,6-dione), 1,1 inverted exclamation marka-Methylenebis[3,7-dihydro-3,7-dimethyl-1H-purine-2,6-dione]

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 Pentoxifylline EP Impurity E?

The CAS Registry Number of Pentoxifylline EP Impurity E is 77196-87-3. It is also known as Pentoxifylline - Impurity E, 1,1'-Methylene Bis[Theobromine], 1,1'-Methylene bis(theobromine).

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

Pentoxifylline EP Impurity E has the molecular formula C15H16N8O4 and a molecular weight of 372.34 g/mol. Its IUPAC name is 1-[(3,7-dimethyl-2,6-dioxopurin-1-yl)methyl]-3,7-dimethylpurine-2,6-dione.

What is Pentoxifylline EP Impurity E used for?

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

We supply Pentoxifylline 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 Pentoxifylline EP Impurity E?

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

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