Koenigicine

Name: Koenigicine
Brand: Vaqora Chemicals
SKU: VQ-051845

About Koenigicine

Koenigicine (CAS 24123-92-0) is an API impurity reference standard offered by Vaqora Chemicals. The compound has the formula C20H21NO3, corresponding to a molecular weight of 323.4 g/mol. Systematically, it is named 8,9-dimethoxy-3,3,5-trimethyl-11H-pyrano[3,2-a]carbazole. It is also known as Koenidine or Koenimbidine.

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.

As a characterised impurity of the parent drug substance, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

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

Typical applications

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

Industries

Specifications & identifiers

Chemical identifiers
Product name	Koenigicine
Catalogue No.	VQ-051845
CAS Number	24123-92-0
IUPAC name	8,9-dimethoxy-3,3,5-trimethyl-11H-pyrano[3,2-a]carbazole
Molecular formula	C₂₀H₂₁NO₃
Molecular weight	323.4 g/mol
Exact mass	323.1521
Grade	Reference Standard
HSN code	38229090
InChIKey	IUZVYLWUISSZCS-UHFFFAOYSA-N
SMILES	CC1=CC2=C(C3=C1OC(C=C3)(C)C)NC4=CC(=C(C=C42)OC)OC
PubChem CID	278055

Physical properties
Physical form	Solid
LogP (XLogP3)	4.6
H-bond donors / acceptors	1 / 3
TPSA	43.5 Å²
Synonyms	Koenidine, 8,9-dimethoxy-3,3,5-trimethyl-11H-pyrano(3,2-a)carbazole, Koenimbidine, 8,9-dimethoxy-3,3,5-trimethyl-3,11-dihydropyrano[3,2-a]carbazole, Kenimbidine, Kenigicine, Kenidine, 3,11-Dihydro-8,9-dimethoxy-3,3,5-trimethylpyrano[3,2-a]carbazole, 9CI

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H319Causes serious eye irritation
H413May cause long lasting harmful effects to aquatic life

Precautionary statements: P264 + P265, P273, P280, P305 + P351 + P338, P337 + P317, 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 Koenigicine?

The CAS Registry Number of Koenigicine is 24123-92-0. It is also known as Koenidine, 8,9-dimethoxy-3,3,5-trimethyl-11H-pyrano(3,2-a)carbazole, Koenimbidine.

What is the molecular formula and molecular weight of Koenigicine?

Koenigicine has the molecular formula C20H21NO3 and a molecular weight of 323.4 g/mol. Its IUPAC name is 8,9-dimethoxy-3,3,5-trimethyl-11H-pyrano[3,2-a]carbazole.

Which grade and pack sizes of Koenigicine can I order?

We supply Koenigicine 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 Koenigicine?

Yes. Every lot of Koenigicine 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 Koenigicine be shipped internationally?

Yes. Koenigicine 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.