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API Impurities

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

Reference StandardAvailable on request

Buy 3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione (CAS 7542-45-2) from Zemixal: C40H52O4, COA and SDS with every lot, worldwide shipping.

Pack sizes
3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione chemical structure
CAS number7542-45-2
FormulaC40H52O4
Molar mass596.8 g/mol
Physical formSolid
HS code38229090
InChIKeyMQZIGYBFDRPAKN-QISQUURKSA-N
IUPAC name6-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

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

Zemixal lists 3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione for laboratories that identify, quantify or control Astaxanthin and its related substances. For your records (Reference Standard), the material is defined by CAS 7542-45-2, formula C40H52O4 and molar mass 596.8 g/mol. It is handled as a solid.

Common uses in the lab and plant

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

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. You receive a certificate of analysis with characterisation data with each order. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Astaxanthin

See every impurity, metabolite and related compound we list for this API.

Astaxanthin standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QCResearch Labs and Universities

Specifications and identifiers

Specifications of 3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione
Product name3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione
Catalogue numberZX-028083
CAS number7542-45-2
IUPAC name6-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 formulaC40H52O4
Molar mass596.8 g/mol
Exact mass596.3866
GradeReference Standard
Physical formSolid
XLogP310.3
H-bond donors / acceptors2 / 4
Topological polar surface area74.6 Ų
HS code38229090
InChIKeyMQZIGYBFDRPAKN-QISQUURKSA-N
SMILESCC1=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 CID5368397
Synonyms(rac/meso)-Astaxanthin, (rac./meso)-Astaxanthin, 3,3'-Dihydroxy-,-carotene-4,4'-dione, 3,3a(2)-Dihydroxy-I(2),I(2)-carotene-4,4a(2)-dione

Lot values are stated on the batch certificate of analysis. Ask for a typical COA with your quotation.

Safety and GHS hazards

No GHS classification is on file for this item. Handle it as an unknown laboratory chemical and request the SDS with your quotation.

Pack sizes

Pack sizes of 3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione
10 mgQuoted on request
25 mgQuoted on request
50 mgQuoted on request
100 mgQuoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

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

Which CAS number identifies 3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione?
3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione is registered under CAS 7542-45-2. You may also see it listed as (rac/meso)-Astaxanthin, (rac./meso)-Astaxanthin, 3,3'-Dihydroxy-,-carotene-4,4'-dione. Our catalogue number for this item is ZX-028083.
What are the formula and molar mass of 3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione?
For 3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione, its formula is C40H52O4 and its molar mass is 596.8 g/mol. InChIKey MQZIGYBFDRPAKN-QISQUURKSA-N lets you match it in any structure database.
How is 3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione used in pharmaceutical QC?
3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione is a characterised reference material linked to Astaxanthin. Laboratories use it to identify and quantify this impurity during method development and validation, stability work, batch release testing and regulatory submissions.
What grade and pack sizes are available for 3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione?
This listing is Reference Standard grade. Standard packs are 10 mg, 25 mg, 50 mg, 100 mg. Larger quantities and custom packing can be quoted on request.
Which documents come with 3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione?
Each lot ships with a batch certificate of analysis and a 16-section GHS safety data sheet. A typical COA or specification sheet can be shared with the quotation before you order.
Can Zemixal ship 3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione to my country?
Yes. 3,3′-Dihydroxy-beta,beta-carotene-4,4′-dione ships worldwide by express courier, air cargo or sea freight, quoted on the Incoterm you prefer, with full export documents.

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