Lamotrigine EP Impurity G

About Lamotrigine EP Impurity G

Lamotrigine EP Impurity G is a pharmacopeial impurity of Lamotrigine carrying the CAS registry number 38943-76-9. With the molecular formula C9H7Cl2N5, it has a molar mass of 256.09 g/mol. Systematically, it is named 6-(2,4-dichlorophenyl)-1,2,4-triazine-3,5-diamine. Common synonyms include Lamotrigine - Impurity G and Lamotrigine specified impurity G.

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. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

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

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Lamotrigine EP Impurity G is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Lamotrigine

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

Lamotrigine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Lamotrigine EP Impurity G
Catalogue No.	VQ-026345
CAS Number	38943-76-9
IUPAC name	6-(2,4-dichlorophenyl)-1,2,4-triazine-3,5-diamine
Molecular formula	C₉H₇Cl₂N₅
Molecular weight	256.09 g/mol
Exact mass	255.0079
Grade	Reference Standard
HSN code	38229090
InChIKey	HHXRWOXSGOMXJV-UHFFFAOYSA-N
SMILES	C1=CC(=C(C=C1Cl)Cl)C2=C(N=C(N=N2)N)N
PubChem CID	18347897

Physical properties
Physical form	Solid
LogP (XLogP3)	1.4
H-bond donors / acceptors	2 / 5
TPSA	90.7 Å²
Synonyms	Lamotrigine - Impurity G, As-triazine, 3,5-diamino-6-(2,4-dichlorophenyl)-, 1,2,4-Triazine-3,5-diamine, 6-(2,4-dichlorophenyl)-, Lamotrigine specified impurity G, 3-Dechloro-4-chloro Lamotrigine, 3,5-Diamino-6-(2,4-dichlorophenyl)-1,2,4-triazine

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 Lamotrigine EP Impurity G?

The CAS Registry Number of Lamotrigine EP Impurity G is 38943-76-9. It is also known as Lamotrigine - Impurity G, As-triazine, 3,5-diamino-6-(2,4-dichlorophenyl)-, 1,2,4-Triazine-3,5-diamine, 6-(2,4-dichlorophenyl)-.

What is the molecular formula and molecular weight of Lamotrigine EP Impurity G?

Lamotrigine EP Impurity G has the molecular formula C9H7Cl2N5 and a molecular weight of 256.09 g/mol. Its IUPAC name is 6-(2,4-dichlorophenyl)-1,2,4-triazine-3,5-diamine.

What is Lamotrigine EP Impurity G used for?

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

We supply Lamotrigine EP Impurity G 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 Lamotrigine EP Impurity G?

Yes. Every lot of Lamotrigine EP Impurity G 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 Lamotrigine EP Impurity G be shipped internationally?

Yes. Lamotrigine EP Impurity G 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.