Quassin

Name: Quassin
Brand: Vaqora Chemicals
SKU: VQ-039326

About Quassin

Quassin is an analytical reagent carrying the CAS registry number 76-78-8. Formula C22H28O6, molecular weight 388.5 g/mol. It is also known as Nigakilactone D or Quassine.

Store sealed in a dry, well-ventilated location away from incompatible materials. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

Key uses span agrochemical formulations and laboratory analysis. Typical end-use sectors are academic and industrial research and agrochemical production.

We offer Quassin in 100 mg, 250 mg, 1 g and 5 g packs with a batch-specific COA, and ship to customers worldwide. A Safety Data Sheet (SDS) and technical specifications are available on request. Larger quantities and custom packaging are available. Request a quote for pricing and lead time. Export shipments are packed to international standards with the required transport documentation.

Typical applications

Agrochemical formulations
Laboratory analysis

Industries

Specifications & identifiers

Chemical identifiers
Product name	Quassin
Catalogue No.	VQ-039326
CAS Number	76-78-8
IUPAC name	(1S,2S,6S,7S,9R,13R,17S)-4,15-dimethoxy-2,6,14,17-tetramethyl-10-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-4,14-diene-3,11,16-trione
Molecular formula	C₂₂H₂₈O₆
Molecular weight	388.5 g/mol
Exact mass	388.1886
InChIKey	IOSXSVZRTUWBHC-LBTVDEKVSA-N
SMILES	C[C@@H]1C=C(C(=O)[C@]2([C@H]1C[C@@H]3[C@@]4([C@@H]2C(=O)C(=C([C@@H]4CC(=O)O3)C)OC)C)C)OC
PubChem CID	65571

Physical properties
Physical form	Other
LogP (XLogP3)	2.4
H-bond donors / acceptors	0 / 6
TPSA	78.9 Å²
Synonyms	Quassin-Mixture of Quassin, Isoquassin and Neoquassin, Picrasa-2,12-diene-1,11,16-trione, 2,12-dimethoxy-, Nigakilactone D, Quassine, Quassin (Mixture of Quassin, Isoquassin and Neoquassin), Anti-infection, Quassins(AS)

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H302Harmful if swallowed
H312Harmful in contact with skin
H332Harmful if inhaled

Precautionary statements: P261, P264, P270, P271, P280, P301 + P317, P302 + P352, P304 + P340, P317, P321, P330, P362 + P364, 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 Quassin?

The CAS Registry Number of Quassin is 76-78-8. It is also known as Quassin-Mixture of Quassin, Isoquassin and Neoquassin, Picrasa-2,12-diene-1,11,16-trione, 2,12-dimethoxy-, Nigakilactone D.

What is the molecular formula and molecular weight of Quassin?

Quassin has the molecular formula C22H28O6 and a molecular weight of 388.5 g/mol. Its IUPAC name is (1S,2S,6S,7S,9R,13R,17S)-4,15-dimethoxy-2,6,14,17-tetramethyl-10-oxatetracyclo[7.7.1.02,7.013,17]heptadeca-4,14-diene-3,11,16-trione.

Which grade and pack sizes of Quassin can I order?

We supply Quassin, 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 Quassin?

Yes. Every lot of Quassin 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 Quassin be shipped internationally?

Yes. Quassin 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.