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Pharmacopeial Impurities (EP / USP / BP)

Dithranol EP Impurity B

Reference StandardAvailable on request

Dithranol EP Impurity B (CAS 117-10-2) supplier Zemixal: C14H8O4, COA and SDS with every lot, worldwide shipping. Catalogue no. ZX-028821.

Pack sizes
Dithranol EP Impurity B chemical structure
CAS number117-10-2
FormulaC14H8O4
Molar mass240.21 g/mol
Physical formSolid
HS code38229090
InChIKeyQBPFLULOKWLNNW-UHFFFAOYSA-N
IUPAC name1,8-dihydroxyanthracene-9,10-dione

About Dithranol EP Impurity B

Dithranol EP Impurity B is supplied by Zemixal as a characterised reference material for Dithranol analysis. For your records (Reference Standard), the material is defined by CAS 117-10-2, formula C14H8O4 and molar mass 240.21 g/mol. It is handled as a solid.

Where it is used

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Storage and safety notes

It carries the GHS signal word Warning (H351), so wear gloves and eye protection and work with good ventilation.

Standard pack sizes are 10 mg, 25 mg, 50 mg and 100 mg, and custom quantities are quoted on request. Every shipment includes a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Dithranol

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

Dithranol standards

Typical uses

  • Pharmacopeial method verification
  • Impurity profiling
  • QC release testing
  • ANDA / DMF filings

Applications

Grade guides

Specifications and identifiers

Specifications of Dithranol EP Impurity B
Product nameDithranol EP Impurity B
Catalogue numberZX-028821
CAS number117-10-2
IUPAC name1,8-dihydroxyanthracene-9,10-dione
Molecular formulaC14H8O4
Molar mass240.21 g/mol
Exact mass240.0423
GradeReference Standard
Physical formSolid
XLogP33.2
H-bond donors / acceptors2 / 4
Topological polar surface area74.6 Ų
HS code38229090
InChIKeyQBPFLULOKWLNNW-UHFFFAOYSA-N
SMILESC1=CC2=C(C(=C1)O)C(=O)C3=C(C2=O)C=CC=C3O
PubChem CID2950
SynonymsDantron, Dithranol - Impurity B, 1,8-Dihydroxyanthraquinone, Chrysazin, Dorbane, Istizin, Antrapurol, Diaquone, Laxipurin, Dionone, danthrone, Dantrone

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

Safety and GHS hazards

GHS08 Health hazard
Health hazard

Signal word Warning

  • H351Suspected of causing cancer

Precautionary statements P203, P280, P318, 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 Dithranol EP Impurity B
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 Dithranol EP Impurity B

Which CAS number identifies Dithranol EP Impurity B?
Dithranol EP Impurity B is registered under CAS 117-10-2. You may also see it listed as Dantron, Dithranol - Impurity B, 1,8-Dihydroxyanthraquinone. Our catalogue number for this item is ZX-028821.
What are the formula and molar mass of Dithranol EP Impurity B?
For Dithranol EP Impurity B, its formula is C14H8O4 and its molar mass is 240.21 g/mol. The systematic (IUPAC) name is 1,8-dihydroxyanthracene-9,10-dione. InChIKey QBPFLULOKWLNNW-UHFFFAOYSA-N lets you match it in any structure database.
How is Dithranol EP Impurity B used in pharmaceutical QC?
Dithranol EP Impurity B is a characterised reference material linked to Dithranol. 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 Dithranol EP Impurity B?
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 Dithranol EP Impurity B?
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 Dithranol EP Impurity B to my country?
Yes. Because Dithranol EP Impurity B 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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