Cyproheptadine EP Impurity A

Name: Cyproheptadine EP Impurity A
Brand: Vaqora Chemicals
SKU: VQ-025132

About Cyproheptadine EP Impurity A

Cyproheptadine EP Impurity A is a pharmacopeial impurity of Cyproheptadine carrying the CAS registry number 256-81-5. Its molecular formula is C15H12 and its molecular weight is 192.25 g/mol. Systematically, it is named tricyclo[9.4.0.03,8]pentadeca-1(15),3,5,7,9,11,13-heptaene. It is also known as 5H-Dibenzo[a,d]cycloheptene or Cyproheptadine Related Compound A.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

This Cyproheptadine impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

We offer Cyproheptadine EP Impurity A in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Cyproheptadine

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

Cyproheptadine impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Cyproheptadine EP Impurity A
Catalogue No.	VQ-025132
CAS Number	256-81-5
IUPAC name	tricyclo[9.4.0.03,8]pentadeca-1(15),3,5,7,9,11,13-heptaene
Molecular formula	C₁₅H₁₂
Molecular weight	192.25 g/mol
Exact mass	192.0939
Grade	Reference Standard
HSN code	38229090
InChIKey	QPJORFLSOJAUNL-UHFFFAOYSA-N
SMILES	C1C2=CC=CC=C2C=CC3=CC=CC=C31
PubChem CID	67492

Physical properties
Physical form	Solid
LogP (XLogP3)	4.3
H-bond donors / acceptors	0 / 0
TPSA	0 Å²
Synonyms	5H-Dibenzo[a,d]cycloheptene, Cyproheptadine Related Compound A, Cyproheptadine Hydrochloride - Impurity A, Dibenzocycloheptatriene, 5H-Dibenzo(a,d)cycloheptene, 5H-dibenzo[a,d][7]annulene, dibenzo[a,d][7]annulene, Dibenzo[a,d]cycloheptene, Dibenzo[a,d]cycloheptatriene, 1,2:5,6-Dibenzotropilidene, 2,3:6,7-Dibenzo-4-suberene, 2,3:6,7-Dibenzocycloheptatriene

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H413May cause long lasting harmful effects to aquatic life

Precautionary statements: P264, P270, P273, 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 Cyproheptadine EP Impurity A?

The CAS Registry Number of Cyproheptadine EP Impurity A is 256-81-5. It is also known as 5H-Dibenzo[a,d]cycloheptene, Cyproheptadine Related Compound A, Cyproheptadine Hydrochloride - Impurity A.

What is the molecular formula and molecular weight of Cyproheptadine EP Impurity A?

Cyproheptadine EP Impurity A has the molecular formula C15H12 and a molecular weight of 192.25 g/mol. Its IUPAC name is tricyclo[9.4.0.03,8]pentadeca-1(15),3,5,7,9,11,13-heptaene.

What is Cyproheptadine EP Impurity A used for?

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

We supply Cyproheptadine EP Impurity A 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 Cyproheptadine EP Impurity A?

Yes. Every lot of Cyproheptadine EP Impurity A 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 Cyproheptadine EP Impurity A be shipped internationally?

Yes. Cyproheptadine EP Impurity A 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.