Theophylline EP Impurity D

Name: Theophylline EP Impurity D
Brand: Vaqora Chemicals
SKU: VQ-023874

About Theophylline EP Impurity D

Theophylline EP Impurity D is a pharmacopeial impurity of Diprophylline carrying the CAS registry number 6736-40-9. With the molecular formula C6H10N4O, it has a molar mass of 154.17 g/mol. Systematically, it is named N-methyl-4-(methylamino)-1H-imidazole-5-carboxamide. Common synonyms include Diprophylline EP Impurity A and Theophylline - Impurity D (Freebase).

The product is provided as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

This Diprophylline impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Theophylline EP Impurity D 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 Diprophylline

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

Diprophylline impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Theophylline EP Impurity D
Catalogue No.	VQ-023874
CAS Number	6736-40-9
IUPAC name	N-methyl-4-(methylamino)-1H-imidazole-5-carboxamide
Molecular formula	C₆H₁₀N₄O
Molecular weight	154.17 g/mol
Exact mass	154.0855
Grade	Reference Standard
HSN code	38229090
InChIKey	HBYDWASAZICSRC-UHFFFAOYSA-N
SMILES	CNC1=C(NC=N1)C(=O)NC
PubChem CID	12443409

Physical properties
Physical form	Solid
LogP (XLogP3)	0.5
H-bond donors / acceptors	3 / 3
TPSA	69.8 Å²
Synonyms	N-Methyl-5-(methylamino)-1H-imidazole-4-carboxamide (Theophyllidine), Diprophylline EP Impurity A, Theophylline - Impurity D (Freebase), Theophyllidine, N-methyl-5-(methylamino)-1H-imidazole-4-carboxamide, 1H-Imidazole-4-carboxamide, N-methyl-5-(methylamino)-, Theophyllidin, 4-methylamino-5-methylcarbamoylimidazole, N-Methyl-5-methylamino-1H-imidazole-4-carboxamide

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 Theophylline EP Impurity D?

The CAS Registry Number of Theophylline EP Impurity D is 6736-40-9. It is also known as N-Methyl-5-(methylamino)-1H-imidazole-4-carboxamide (Theophyllidine), Diprophylline EP Impurity A, Theophylline - Impurity D (Freebase).

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

Theophylline EP Impurity D has the molecular formula C6H10N4O and a molecular weight of 154.17 g/mol. Its IUPAC name is N-methyl-4-(methylamino)-1H-imidazole-5-carboxamide.

What is Theophylline EP Impurity D used for?

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

We supply Theophylline EP Impurity D 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 D?

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

Yes. Theophylline EP Impurity D 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.