Lamotrigine impurity B

About Lamotrigine impurity B

Lamotrigine impurity B is an impurity of Lamotrigine carrying the CAS registry number 94213-24-8. With the molecular formula C9H7Cl2N5, it has a molar mass of 256.09 g/mol. The IUPAC name is (1E)-2,3-dichloro-N-(diaminomethylideneamino)benzenecarboximidoyl cyanide. It is also known as Lamotrigine EP Impurity B or Lamotrigine EP Impurity B and C mixture.

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. Good laboratory practice and suitable PPE are recommended during handling.

This Lamotrigine impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Lamotrigine impurity B in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide. This item is currently in stock for prompt dispatch.

Typical applications

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

Industries

Related to Lamotrigine

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

Lamotrigine impurities

Specifications & identifiers

Chemical identifiers
Product name	Lamotrigine impurity B
Catalogue No.	VQ-005128
CAS Number	94213-24-8
IUPAC name	(1E)-2,3-dichloro-N-(diaminomethylideneamino)benzenecarboximidoyl cyanide
Molecular formula	C₉H₇Cl₂N₅
Molecular weight	256.09 g/mol
Exact mass	255.0079
Grade	Reference Standard
HSN code	38229090
InChIKey	BXDSJOGMJUKSAE-CHHVJCJISA-N
SMILES	C1=CC(=C(C(=C1)Cl)Cl)/C(=N\N=C(N)N)/C#N
PubChem CID	6509812

Physical properties
Physical form	Solid
LogP (XLogP3)	1.9
H-bond donors / acceptors	2 / 3
TPSA	101 Å²
Synonyms	(E)-3-[cyano(2,3-dichlorophenyl)methylene]carbazamidine, (2E)-2-[Cyano(2,3-dichlorophenyl)methylene]hydrazinecarboximidamide, (2E)-[2-(diaminomethylidene)diazanylidene](2,3-dichlorophenyl)acetonitrile, Lamotrigine EP Impurity B, (E)-N-Carbamimidoyl-2,3-dichlorobenzohydrazonoyl cyanide, (2,3-Dichlorophenyl)(guanidinylimino)acetonitrile, (E)-, N'-Carbamimidoyl-2,3-dichlorobenzohydrazonoyl cyanide, (E)-2,3-dichloro-N'-(diaminomethylene)benzohydrazonoyl cyanide, (E)-3-(Cyano(2,3-dichlorophenyl)methylene)carbazamidine, Lamotrigine EP Impurity B&C mixture, Hydrazinecarboximidamide, 2-[cyano(2,3-dichlorophenyl)methylene]-, (2E)-, 2-(2,3-Dichlorphenyl)-2-(guanidinylimino)acetonitrile

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 impurity B?

The CAS Registry Number of Lamotrigine impurity B is 94213-24-8. It is also known as (E)-3-[cyano(2,3-dichlorophenyl)methylene]carbazamidine, (2E)-2-[Cyano(2,3-dichlorophenyl)methylene]hydrazinecarboximidamide, (2E)-[2-(diaminomethylidene)diazanylidene](2,3-dichlorophenyl)acetonitrile.

What is the molecular formula and molecular weight of Lamotrigine impurity B?

Lamotrigine impurity B has the molecular formula C9H7Cl2N5 and a molecular weight of 256.09 g/mol. Its IUPAC name is (1E)-2,3-dichloro-N-(diaminomethylideneamino)benzenecarboximidoyl cyanide.

What is Lamotrigine impurity B used for?

Lamotrigine impurity B 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 impurity B can I order?

We supply Lamotrigine impurity B in Reference Standard grade, in 10 mg, 25 mg, 50 mg, 100 mg, 250 mg packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Lamotrigine impurity B?

Yes. Every lot of Lamotrigine 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 Lamotrigine impurity B be shipped internationally?

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