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API Impurities

Procyanidin B3

Reference StandardAvailable on request

Order Procyanidin B3 (CAS 23567-23-9) online at Zemixal. Lab and bulk packs, batch COA, fast global delivery. Part of our API Impurities range.

Pack sizes
Procyanidin B3 chemical structure
CAS number23567-23-9
FormulaC30H26O12
Molar mass578.5 g/mol
Physical formSolid
HS code38229090
InChIKeyXFZJEEAOWLFHDH-AVFWISQGSA-N
IUPAC name(2R,3S)-2-(3,4-dihydroxyphenyl)-8-[(2R,3S,4S)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-chromen-4-yl]-3,4-dihydro-2H-chromene-3,5,7-triol

About Procyanidin B3

Researchers and plant chemists source Procyanidin B3 from Zemixal for routine and specialised work. Key data (Reference Standard): CAS 23567-23-9, formula C30H26O12 and molar mass 578.5 g/mol. It is handled as a solid.

Where it is used

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

Handling and storage

Classified under GHS with signal word Warning and hazard statements H315, H319 and H335. Read the SDS before first use.

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

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 Procyanidin B3
Product nameProcyanidin B3
Catalogue numberZX-036041
CAS number23567-23-9
IUPAC name(2R,3S)-2-(3,4-dihydroxyphenyl)-8-[(2R,3S,4S)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-chromen-4-yl]-3,4-dihydro-2H-chromene-3,5,7-triol
Molecular formulaC30H26O12
Molar mass578.5 g/mol
Exact mass578.1424
GradeReference Standard
Physical formSolid
XLogP32.4
H-bond donors / acceptors10 / 12
Topological polar surface area221 Ų
HS code38229090
InChIKeyXFZJEEAOWLFHDH-AVFWISQGSA-N
SMILESC1[C@@H]([C@H](OC2=C1C(=CC(=C2[C@H]3[C@@H]([C@H](OC4=CC(=CC(=C34)O)O)C5=CC(=C(C=C5)O)O)O)O)O)C6=CC(=C(C=C6)O)O)O
PubChem CID146798
SynonymsProanthocyanidin B3, proanthocyanidin B-3, catechin 4-8 catechin, catechin 4alpha-8 catechin, catechin-(4alpha->8)-catechin, Catechin(4a->8)catechin, 2,3-trans-proanthocyanidin, Catechin-(4.alpha.-->8)catechin, C-(4a,8)-C, (2R,2'R,3S,3'S,4S)-2,2'-Bis(3,4-dihydroxyphenyl)-[4,8'-bichromane]-3,3',5,5',7,7'-hexaol

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

Safety and GHS hazards

GHS07 Irritant or harmful
Irritant or harmful

Signal word Warning

  • H315Causes skin irritation
  • H319Causes serious eye irritation
  • H335May cause respiratory irritation

Precautionary statements P261, P264, P264 + P265, P271, P280, P302 + P352, P304 + P340, P305 + P351 + P338, P319, P321, P332 + P317, P337 + P317, P362 + P364, P403 + P233, P405, P501

Classification summarised from public GHS notifications. It can vary with grade and concentration, so always follow the SDS supplied with your lot.

Pack sizes

Pack sizes of Procyanidin B3
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 Procyanidin B3

Which CAS number identifies Procyanidin B3?
Procyanidin B3 is registered under CAS 23567-23-9. You may also see it listed as Proanthocyanidin B3, proanthocyanidin B-3, catechin 4-8 catechin. Our catalogue number for this item is ZX-036041.
What are the formula and molar mass of Procyanidin B3?
For Procyanidin B3, its formula is C30H26O12 and its molar mass is 578.5 g/mol. The systematic (IUPAC) name is (2R,3S)-2-(3,4-dihydroxyphenyl)-8-[(2R,3S,4S)-2-(3,4-dihydroxyphenyl)-3,5,7-trihydroxy-3,4-dihydro-2H-chromen-4-yl]-3,4-dihydro-2H-chromene-3,5,7-triol. InChIKey XFZJEEAOWLFHDH-AVFWISQGSA-N lets you match it in any structure database.
What grade and pack sizes are available for Procyanidin B3?
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 Procyanidin B3?
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 Procyanidin B3 to my country?
Yes. Because Procyanidin B3 is classed as hazardous, it travels in UN-approved packaging as dangerous goods under IATA or IMDG rules, with the export paperwork your broker needs.

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