Bisdemethoxycurcumin

Name: Bisdemethoxycurcumin
Brand: Vaqora Chemicals
SKU: VQ-029941

About Bisdemethoxycurcumin

Vaqora Chemicals supplies Bisdemethoxycurcumin, an impurity of Curcumin registered under CAS number 33171-05-0. The compound has the formula C19H16O4, corresponding to a molecular weight of 308.3 g/mol. The IUPAC name is (1E,6E)-1,7-bis(4-hydroxyphenyl)hepta-1,6-diene-3,5-dione. Common synonyms include (E,E)-Bisdemethoxycurcumin and Curcumin III.

The product is provided 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 Curcumin impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Buyers come mainly from pharmaceutical manufacturing and academic and industrial research.

We offer Bisdemethoxycurcumin 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

Related to Curcumin

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

Curcumin impurities

Specifications & identifiers

Chemical identifiers
Product name	Bisdemethoxycurcumin
Catalogue No.	VQ-029941
CAS Number	33171-05-0
IUPAC name	(1E,6E)-1,7-bis(4-hydroxyphenyl)hepta-1,6-diene-3,5-dione
Molecular formula	C₁₉H₁₆O₄
Molecular weight	308.3 g/mol
Exact mass	308.1049
Grade	Reference Standard
HSN code	38229090
InChIKey	PREBVFJICNPEKM-YDWXAUTNSA-N
SMILES	C1=CC(=CC=C1/C=C/C(=O)CC(=O)/C=C/C2=CC=C(C=C2)O)O
PubChem CID	5315472

Physical properties
Physical form	Solid
LogP (XLogP3)	3.3
H-bond donors / acceptors	2 / 4
TPSA	74.6 Å²
Synonyms	(E,E)-Bisdemethoxycurcumin, Curcumin III, Didemethoxycurcumin, bisdesmethoxycurcumin, Bis(p-hydroxycinnamoyl)methane, 1,6-Heptadiene-3,5-dione, 1,7-bis(4-hydroxyphenyl)-, Bisdemethoxycucurmin, Bis(4-hydroxycinnamoyl)methane, 1,7-bis(4-hydroxyphenyl)hepta-1,6-diene-3,5-dione, 1,6-Heptadiene-3,5-dione, 1,7-bis(4-hydroxyphenyl)-, (1E,6E)-

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

H315Causes skin irritation
H319Causes serious eye irritation

Precautionary statements: P264, P264 + P265, P280, P302 + P352, P305 + P351 + P338, P321, P332 + P317, P337 + P317, P362 + P364

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 Bisdemethoxycurcumin?

The CAS Registry Number of Bisdemethoxycurcumin is 33171-05-0. It is also known as (E,E)-Bisdemethoxycurcumin, Curcumin III, Didemethoxycurcumin.

What is the molecular formula and molecular weight of Bisdemethoxycurcumin?

Bisdemethoxycurcumin has the molecular formula C19H16O4 and a molecular weight of 308.3 g/mol. Its IUPAC name is (1E,6E)-1,7-bis(4-hydroxyphenyl)hepta-1,6-diene-3,5-dione.

What is Bisdemethoxycurcumin used for?

Bisdemethoxycurcumin is supplied as a characterised reference material related to Curcumin. 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 Bisdemethoxycurcumin can I order?

We supply Bisdemethoxycurcumin 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 Bisdemethoxycurcumin?

Yes. Every lot of Bisdemethoxycurcumin 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 Bisdemethoxycurcumin be shipped internationally?

Yes. Bisdemethoxycurcumin 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.