Methylliberine

Name: Methylliberine
Brand: Vaqora Chemicals
SKU: VQ-036082

About Methylliberine

Vaqora Chemicals supplies Methylliberine, an impurity of Caffeine registered under CAS number 51168-26-4. Its molecular formula is C9H12N4O3 and its molecular weight is 224.22 g/mol. The IUPAC name is 2-methoxy-1,7,9-trimethylpurine-6,8-dione. Alternative names: N-Methylliberine and 1,2,7,9-Tetramethyluric acid.

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.

Pharmaceutical QC and development laboratories use this impurity standard of Caffeine 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.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Caffeine

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

Caffeine impurities

Specifications & identifiers

Chemical identifiers
Product name	Methylliberine
Catalogue No.	VQ-036082
CAS Number	51168-26-4
IUPAC name	2-methoxy-1,7,9-trimethylpurine-6,8-dione
Molecular formula	C₉H₁₂N₄O₃
Molecular weight	224.22 g/mol
Exact mass	224.0909
Grade	Reference Standard
HSN code	38229090
InChIKey	ZVQXCXPGLSBNCX-UHFFFAOYSA-N
SMILES	CN1C2=C(N=C(N(C2=O)C)OC)N(C1=O)C
PubChem CID	15872156

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.7
H-bond donors / acceptors	0 / 4
TPSA	65.5 Å²
Synonyms	2-Methoxy-1,7,9-trimethyl-7,9-dihydro-1H-purine-6,8-dione, N-Methylliberine, 1,2,7,9-Tetramethyluric acid, 2-methoxy-1,7,9-trimethyl-6,7,8,9-tetrahydro-1H-purine-6,8-dione, Purine-6,8(1H,9H)-dione, 2-methoxy-1,7,9-trimethyl-, 7,9-Dihydro-2-methoxy-1,7,9-trimethyl-1H-purine-6,8-dione, O(2),1,7,9-tetramethylurate, O(2),1,7,9-tetramethyluric acid, 2-methoxy-1,7,9-trimethyl-purine-6,8-dione, 2-Methoxy-1,7,9-trimethyl-1H-purine-6,8(7H,9H)-dione, Methylliberine2-Methoxy-1,7,9-trimethylpurine-6,8-dione, 1H-Purine-6,8-dione, 7,9-dihydro-2-methoxy-1,7,9-trimethyl-

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 Methylliberine?

The CAS Registry Number of Methylliberine is 51168-26-4. It is also known as 2-Methoxy-1,7,9-trimethyl-7,9-dihydro-1H-purine-6,8-dione, N-Methylliberine, 1,2,7,9-Tetramethyluric acid.

What is the molecular formula and molecular weight of Methylliberine?

Methylliberine has the molecular formula C9H12N4O3 and a molecular weight of 224.22 g/mol. Its IUPAC name is 2-methoxy-1,7,9-trimethylpurine-6,8-dione.

What is Methylliberine used for?

Methylliberine is supplied as a characterised reference material related to Caffeine. 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 Methylliberine can I order?

We supply Methylliberine 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 Methylliberine?

Yes. Every lot of Methylliberine 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 Methylliberine be shipped internationally?

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