Pentoxifylline EP Impurity B

Name: Pentoxifylline EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-006577

About Pentoxifylline EP Impurity B

Vaqora Chemicals supplies Pentoxifylline EP Impurity B, a pharmacopeial impurity of Pentoxifylline registered under CAS number 1076-22-8 with a typical assay of 99.21%. Formula C6H6N4O2, molecular weight 166.14 g/mol. Systematically, it is named 3-methyl-7H-purine-2,6-dione. Alternative names: 3-Methyl-3,7-dihydro-1H-purine-2,6-dione and 3,9-Dihydro-3-methyl-1H-purine-2,6-dione.

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 “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Pharmaceutical QC and development laboratories use this impurity standard of Pentoxifylline to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Pentoxifylline EP Impurity B is dispatched with a Certificate of Analysis (COA) to destinations worldwide. Stock is available for quick dispatch.

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 B
Catalogue No.	VQ-006577
CAS Number	1076-22-8
IUPAC name	3-methyl-7H-purine-2,6-dione
Molecular formula	C₆H₆N₄O₂
Molecular weight	166.14 g/mol
Exact mass	166.0491
Grade	Reference Standard
Purity / assay	99.21%
HSN code	38229090
InChIKey	GMSNIKWWOQHZGF-UHFFFAOYSA-N
SMILES	CN1C2=C(C(=O)NC1=O)NC=N2
PubChem CID	70639

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.7
H-bond donors / acceptors	2 / 3
TPSA	78.1 Å²
Synonyms	3-Methyl-3,7-dihydro-1H-purine-2,6-dione, 3,9-Dihydro-3-methyl-1H-purine-2,6-dione, 3-methyl-1H-purine-2,6(3H,7H)-dione, 3,7-Dihydro-3-methyl-1H-purine-2,6-dione, 3-Methyl-3,7-dihydropurine-2,6-dione, 3-Methylxanthine, Theophylline EP Impurity B, Theophylline Related Compound B (USP), 3-methyl-2,3,6,7-tetrahydro-1H-purine-2,6-dione, 2,6-Dihydroxy-3-methylpurine, 3 MX, Xanthine, 3-methyl-

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed

Precautionary statements: P264, P270, P301 + P317, P330, 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 Pentoxifylline EP Impurity B?

The CAS Registry Number of Pentoxifylline EP Impurity B is 1076-22-8. It is also known as 3-Methyl-3,7-dihydro-1H-purine-2,6-dione, 3,9-Dihydro-3-methyl-1H-purine-2,6-dione, 3-methyl-1H-purine-2,6(3H,7H)-dione.

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

Pentoxifylline EP Impurity B has the molecular formula C6H6N4O2 and a molecular weight of 166.14 g/mol. Its IUPAC name is 3-methyl-7H-purine-2,6-dione.

What is Pentoxifylline EP Impurity B used for?

Pentoxifylline EP Impurity B 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 B can I order?

We supply Pentoxifylline EP Impurity B in Reference Standard (99.21%) grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg, 500 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Pentoxifylline EP Impurity B?

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

Yes. Pentoxifylline EP Impurity B 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.