Koenimbine

Name: Koenimbine
Brand: Vaqora Chemicals
SKU: VQ-051844

About Koenimbine

Koenimbine is a natural product carrying the CAS registry number 21087-98-9. Its molecular formula is C19H19NO2 and its molecular weight is 293.4 g/mol. Its systematic (IUPAC) name is 8-methoxy-3,3,5-trimethyl-11H-pyrano[3,2-a]carbazole. It is also known as Koenimbin or Kenimbine.

Store sealed in a dry, well-ventilated location away from incompatible materials. Under GHS it is labelled “Warning”, so handle it with suitable PPE and consult the SDS.

Typical applications include phytochemical research, natural product screening and nutraceutical R and D. It is used across academic and industrial research and diagnostics and biotechnology.

Vaqora Chemicals supplies Koenimbine in 100 mg, 250 mg, 1 g and 5 g packs, each shipped with a Certificate of Analysis (COA), and exports worldwide. SDS and detailed specification sheets can be requested with your quotation. Larger quantities and custom packaging are available. Request a quote for pricing and lead time.

Typical applications

Phytochemical research
Natural product screening
Nutraceutical R&D

Industries

Specifications & identifiers

Chemical identifiers
Product name	Koenimbine
Catalogue No.	VQ-051844
CAS Number	21087-98-9
IUPAC name	8-methoxy-3,3,5-trimethyl-11H-pyrano[3,2-a]carbazole
Molecular formula	C₁₉H₁₉NO₂
Molecular weight	293.4 g/mol
Exact mass	293.1416
InChIKey	OSERHKINMDLESD-UHFFFAOYSA-N
SMILES	CC1=CC2=C(C3=C1OC(C=C3)(C)C)NC4=C2C=C(C=C4)OC
PubChem CID	97487

Physical properties
Physical form	Other
LogP (XLogP3)	4.6
H-bond donors / acceptors	1 / 2
TPSA	34.3 Å²
Synonyms	8-methoxy-3,3,5-trimethyl-11H-pyrano(3,2-a)carbazole, Koenimbin, Kenimbine, 8-Methoxy-3,3,5-trimethyl-3,11-dihydropyrano[3,2-a]carbazole, Pyrano(3,2-a)carbazole, 3,11-dihydro-8-methoxy-3,3,5-trimethyl-, 3,11-Dihydro-8-methoxy-3,3,5-trimethylpyrano(3,2-a)carbazole, 3,11-Dihydro-8-methoxy-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 Koenimbine?

The CAS Registry Number of Koenimbine is 21087-98-9. It is also known as 8-methoxy-3,3,5-trimethyl-11H-pyrano(3,2-a)carbazole, Koenimbin, Kenimbine.

What is the molecular formula and molecular weight of Koenimbine?

Koenimbine has the molecular formula C19H19NO2 and a molecular weight of 293.4 g/mol. Its IUPAC name is 8-methoxy-3,3,5-trimethyl-11H-pyrano[3,2-a]carbazole.

Which grade and pack sizes of Koenimbine can I order?

We supply Koenimbine, in 100 mg, 250 mg, 1 g, 5 g packs. Larger bulk quantities and custom packing are quoted on request.

Do you provide a COA and SDS with Koenimbine?

Yes. Every lot of Koenimbine 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 Koenimbine be shipped internationally?

Yes. Koenimbine 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.