Carbamazepine EP Impurity D

Name: Carbamazepine EP Impurity D
Brand: Vaqora Chemicals
SKU: VQ-021061

About Carbamazepine EP Impurity D

Listed under CAS 256-96-2, Carbamazepine EP Impurity D is a pharmacopeial impurity of Carbamazepine available from Vaqora Chemicals. Its molecular formula is C14H11N and its molecular weight is 193.24 g/mol. The IUPAC name is 11H-benzo[b][1]benzazepine. It is also known as Iminostilbene or Oxcarbazepine EP Impurity E.

The product is provided as a solid. Store the standard in its sealed vial, protected from light and moisture, and follow the storage condition printed on the COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

This Carbamazepine impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. It is used across pharmaceutical manufacturing and academic and industrial research.

Vaqora Chemicals supplies Carbamazepine 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 Carbamazepine

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

Carbamazepine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Carbamazepine EP Impurity D
Catalogue No.	VQ-021061
CAS Number	256-96-2
IUPAC name	11H-benzo[b][1]benzazepine
Molecular formula	C₁₄H₁₁N
Molecular weight	193.24 g/mol
Exact mass	193.0891
Grade	Reference Standard
HSN code	38229090
InChIKey	LCGTWRLJTMHIQZ-UHFFFAOYSA-N
SMILES	C1=CC=C2C(=C1)C=CC3=CC=CC=C3N2
PubChem CID	9212

Physical properties
Physical form	Solid
LogP (XLogP3)	4
H-bond donors / acceptors	1 / 1
TPSA	12 Å²
Synonyms	Iminostilbene, Oxcarbazepine EP Impurity E, Carbamazepine - Impurity D, Oxcarbazepine - Impurity E, Dibenz(b,f)azepine, 2,2'-Iminostilbene, 2,3,6,7-Dibenzazepine, Stilbene, 2,2'-imino-, Dibenz[b,f]azepine, 5-Azadibenzo[a,e]cycloheptatriene, Dibenzazepine, 5H-Dibenzo[b,f]azepine

Safety & hazard information (GHS)

Harmful / irritant

Environmental hazard

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H317May cause an allergic skin reaction
H400Very toxic to aquatic life
H410Very toxic to aquatic life with long lasting effects
H411Toxic to aquatic life with long lasting effects

Precautionary statements: P261, P264, P270, P272, P273, P280, P301 + P317, P302 + P352, P321, P330, P333 + P317, P362 + P364, P391, 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 Carbamazepine EP Impurity D?

The CAS Registry Number of Carbamazepine EP Impurity D is 256-96-2. It is also known as Iminostilbene, Oxcarbazepine EP Impurity E, Carbamazepine - Impurity D.

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

Carbamazepine EP Impurity D has the molecular formula C14H11N and a molecular weight of 193.24 g/mol. Its IUPAC name is 11H-benzo[b][1]benzazepine.

What is Carbamazepine EP Impurity D used for?

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

We supply Carbamazepine 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 Carbamazepine EP Impurity D?

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

Yes. Carbamazepine 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.