Caffeine EP Impurity C

Name: Caffeine EP Impurity C
Brand: Vaqora Chemicals
SKU: VQ-021042

About Caffeine EP Impurity C

Listed under CAS 519-32-4, Caffeine EP Impurity C is a pharmacopeial impurity of Caffeine available from Vaqora Chemicals. Its molecular formula is C8H10N4O2 and its molecular weight is 194.19 g/mol. Systematically, it is named 1,3,9-trimethylpurine-2,6-dione. Alternative names: Isocaffeine and Caffeine - Impurity C.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. It carries the GHS signal word “Warning” with 1 hazard statement. Review the Safety Data Sheet before use.

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. Typical end-use sectors are 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

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

Industries

Related to Caffeine

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

Caffeine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Caffeine EP Impurity C
Catalogue No.	VQ-021042
CAS Number	519-32-4
IUPAC name	1,3,9-trimethylpurine-2,6-dione
Molecular formula	C₈H₁₀N₄O₂
Molecular weight	194.19 g/mol
Exact mass	194.0804
Grade	Reference Standard
HSN code	38229090
InChIKey	LPHGQDQBBGAPDZ-UHFFFAOYSA-N
SMILES	CN1C=NC2=C1N(C(=O)N(C2=O)C)C
PubChem CID	1326

Physical properties
Physical form	Solid
LogP (XLogP3)	-0.1
H-bond donors / acceptors	0 / 3
TPSA	58.4 Å²
Synonyms	Isocaffeine, Caffeine - Impurity C, 1,3,9-Trimethylxanthine, 1,3,9-trimethyl-3,9-dihydro-1H-purine-2,6-dione, 3,9-Dihydro-1,3,9-trimethyl-1H-purine-2,6-dione, 1H-Purine-2,6-dione, 3,9-dihydro-1,3,9-trimethyl-, Isocaffeine (8CI), 1H-Purine-2,6-dione, 3,9-dihydro-1,3,9-trimethyl-(9CI), Caffeine Impurity C (Isocaffeine), 2,6-Dihydroxy-1,3,9-trimethylpurine, 1,3,9-trimethyl-2,3,6,9-tetrahydro-1H-purine-2,6-dione, 1,3,9-trimethyl-1H-purine-2,6(3H,9H)-dione

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 Caffeine EP Impurity C?

The CAS Registry Number of Caffeine EP Impurity C is 519-32-4. It is also known as Isocaffeine, Caffeine - Impurity C, 1,3,9-Trimethylxanthine.

What is the molecular formula and molecular weight of Caffeine EP Impurity C?

Caffeine EP Impurity C has the molecular formula C8H10N4O2 and a molecular weight of 194.19 g/mol. Its IUPAC name is 1,3,9-trimethylpurine-2,6-dione.

What is Caffeine EP Impurity C used for?

Caffeine EP Impurity C 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 Caffeine EP Impurity C can I order?

We supply Caffeine EP Impurity C 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 Caffeine EP Impurity C?

Yes. Every lot of Caffeine EP Impurity C 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 Caffeine EP Impurity C be shipped internationally?

Yes. Caffeine EP Impurity C 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.