3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione

Name: 3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione
Brand: Vaqora Chemicals
SKU: VQ-029229

About 3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione

Listed under CAS 7542-45-2, 3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione is an impurity of Astaxanthin available from Vaqora Chemicals. With the molecular formula C40H52O4, it has a molar mass of 596.8 g/mol. Common synonyms include (rac/meso)-Astaxanthin and (rac./meso)-Astaxanthin.

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. Good laboratory practice and suitable PPE are recommended during handling.

As a characterised impurity of Astaxanthin, it is used for analytical method development, method validation (AMV) and routine quality-control testing, and it supports ANDA and DMF regulatory filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and every batch ships with a Certificate of Analysis (COA) and we export worldwide.

Typical applications

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

Industries

Related to Astaxanthin

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

Astaxanthin impurities

Specifications & identifiers

Chemical identifiers
Product name	3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione
Catalogue No.	VQ-029229
CAS Number	7542-45-2
IUPAC name	6-hydroxy-3-[(1E,3E,5E,7E,9E,11E,13E,15E,17E)-18-(4-hydroxy-2,6,6-trimethyl-3-oxocyclohexen-1-yl)-3,7,12,16-tetramethyloctadeca-1,3,5,7,9,11,13,15,17-nonaenyl]-2,4,4-trimethylcyclohex-2-en-1-one
Molecular formula	C₄₀H₅₂O₄
Molecular weight	596.8 g/mol
Exact mass	596.3866
Grade	Reference Standard
HSN code	38229090
InChIKey	MQZIGYBFDRPAKN-QISQUURKSA-N
SMILES	CC1=C(C(CC(C1=O)O)(C)C)/C=C/C(=C/C=C/C(=C/C=C/C=C(/C=C/C=C(/C=C/C2=C(C(=O)C(CC2(C)C)O)C)\C)\C)/C)/C
PubChem CID	5368397

Physical properties
Physical form	Solid
LogP (XLogP3)	10.3
H-bond donors / acceptors	2 / 4
TPSA	74.6 Å²

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 3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione?

The CAS Registry Number of 3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione is 7542-45-2. It is also known as (rac/meso)-Astaxanthin, (rac./meso)-Astaxanthin, 3,3'-Dihydroxy-,-carotene-4,4'-dione.

What is the molecular formula and molecular weight of 3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione?

3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione has the molecular formula C40H52O4 and a molecular weight of 596.8 g/mol.

What is 3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione used for?

3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione is supplied as a characterised reference material related to Astaxanthin. 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 3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione can I order?

We supply 3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione 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 3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione?

Yes. Every lot of 3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione 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 3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione be shipped internationally?

Yes. We export 3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.