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VAQORACHEMICALS
API ImpuritiesReference StandardAvailable on request

Ouratea proanthocyanidin A

Synonyms: Proanthocyanidin · Proanthocyanidin A

CAS No.274678-42-1
FormulaC31H28O12
Mol. weight592.50
Catalogue No.VQ-039775
PurityReference Standard
HSN38229090

Ouratea proanthocyanidin A (CAS 274678-42-1) – API impurity reference standard. C31H28O12, MW 592.5. From Vaqora Chemicals, with COA and worldwide delivery.

Pack sizesPrice on quotation · bulk available
10 mg
25 mg
50 mg
100 mg
Bulk / custom pack · kg to MT
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Batch COA with every lot
16-section GHS SDS
Export to 120+ countries
DG-compliant packing

About Ouratea proanthocyanidin A

Ouratea proanthocyanidin A is an API impurity reference standard carrying the CAS registry number 274678-42-1. Formula C31H28O12, molecular weight 592.5 g/mol. It is also known as Proanthocyanidin or Proanthocyanidin A.

It is supplied as a solid. Reference materials should be stored sealed and away from light and moisture, as specified on the accompanying COA. Handle it with standard laboratory precautions and appropriate personal protective equipment.

Pharmaceutical QC and development laboratories use this impurity standard of the parent drug substance to develop and validate HPLC methods, to set specification limits and to document impurity profiles in ANDA and DMF submissions. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Ouratea proanthocyanidin A is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Specifications & identifiers

Chemical identifiers
Product nameOuratea proanthocyanidin A
Catalogue No.VQ-039775
CAS Number274678-42-1
IUPAC name(3R)-2-(3,5-dihydroxy-4-methoxyphenyl)-8-[(2R,3R,4R)-3,5,7-trihydroxy-2-(4-hydroxyphenyl)-3,4-dihydro-2H-chromen-4-yl]-3,4-dihydro-2H-chromene-3,5,7-triol
Molecular formulaC31H28O12
Molecular weight592.5 g/mol
Exact mass592.1581
GradeReference Standard
HSN code38229090
InChIKeyJPFCOVZKLAXXOE-XBNSMERZSA-N
SMILESCOC1=C(C=C(C=C1O)C2[C@@H](CC3=C(O2)C(=C(C=C3O)O)[C@@H]4[C@H]([C@H](OC5=CC(=CC(=C45)O)O)C6=CC=C(C=C6)O)O)O)O
PubChem CID108065
Physical properties
Physical formSolid
LogP (XLogP3)2.7
H-bond donors / acceptors9 / 12
TPSA210 Ų

Documents

Frequently asked questions

What is the CAS number of Ouratea proanthocyanidin A?

The CAS Registry Number of Ouratea proanthocyanidin A is 274678-42-1. It is also known as Proanthocyanidin, Proanthocyanidin A.

What is the molecular formula and molecular weight of Ouratea proanthocyanidin A?

Ouratea proanthocyanidin A has the molecular formula C31H28O12 and a molecular weight of 592.5 g/mol. Its IUPAC name is (3R)-2-(3,5-dihydroxy-4-methoxyphenyl)-8-[(2R,3R,4R)-3,5,7-trihydroxy-2-(4-hydroxyphenyl)-3,4-dihydro-2H-chromen-4-yl]-3,4-dihydro-2H-chromene-3,5,7-triol.

Which grade and pack sizes of Ouratea proanthocyanidin A can I order?

We supply Ouratea proanthocyanidin A 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 Ouratea proanthocyanidin A?

Yes. Every lot of Ouratea proanthocyanidin A 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 Ouratea proanthocyanidin A be shipped internationally?

Yes. We export Ouratea proanthocyanidin A worldwide by air and sea freight or express courier, on EXW, FOB, CIF, CFR or DAP Incoterms, with full export documentation.

Enquire about Ouratea proanthocyanidin A

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Why buyers choose Vaqora

  • Batch-traceable lots with COA
  • R&D packs to multi-tonne supply
  • IATA / IMDG dangerous-goods packing
  • EXW, FOB, CIF, DAP Incoterms
  • Custom synthesis & sourcing
How ordering works

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