Dithranol EP Impurity B

Name: Dithranol EP Impurity B
Brand: Vaqora Chemicals
SKU: VQ-030018

About Dithranol EP Impurity B

Dithranol EP Impurity B (CAS 117-10-2) is a pharmacopeial impurity of Dithranol offered by Vaqora Chemicals. Its molecular formula is C14H8O4 and its molecular weight is 240.21 g/mol. Systematically, it is named 1,8-dihydroxyanthracene-9,10-dione. Common synonyms include Dantron and Dithranol - Impurity B.

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. The GHS classification uses the signal word “Warning”, so appropriate gloves, eye protection and ventilation are recommended.

This Dithranol impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Typical end-use sectors are pharmaceutical manufacturing and academic and industrial research.

Available in 10 mg, 25 mg, 50 mg and 100 mg packs, Dithranol EP Impurity B is dispatched with a Certificate of Analysis (COA) to destinations worldwide.

Typical applications

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

Industries

Related to Dithranol

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

Dithranol impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Dithranol EP Impurity B
Catalogue No.	VQ-030018
CAS Number	117-10-2
IUPAC name	1,8-dihydroxyanthracene-9,10-dione
Molecular formula	C₁₄H₈O₄
Molecular weight	240.21 g/mol
Exact mass	240.0423
Grade	Reference Standard
HSN code	38229090
InChIKey	QBPFLULOKWLNNW-UHFFFAOYSA-N
SMILES	C1=CC2=C(C(=C1)O)C(=O)C3=C(C2=O)C=CC=C3O
PubChem CID	2950

Physical properties
Physical form	Solid
LogP (XLogP3)	3.2
H-bond donors / acceptors	2 / 4
TPSA	74.6 Å²
Synonyms	Dantron, Dithranol - Impurity B, 1,8-Dihydroxyanthraquinone, Chrysazin, Dorbane, Istizin, Antrapurol, Diaquone, Laxipurin, Dionone, danthrone, Dantrone

Safety & hazard information (GHS)

Health hazard

Signal word: Warning

Hazard statements

H351Suspected of causing cancer

Precautionary statements: P203, P280, P318, P405, P501

Classification is indicative (aggregated GHS notifications) and may vary by grade and concentration. Always refer to the SDS supplied with your lot.

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 Dithranol EP Impurity B?

The CAS Registry Number of Dithranol EP Impurity B is 117-10-2. It is also known as Dantron, Dithranol - Impurity B, 1,8-Dihydroxyanthraquinone.

What is the molecular formula and molecular weight of Dithranol EP Impurity B?

Dithranol EP Impurity B has the molecular formula C14H8O4 and a molecular weight of 240.21 g/mol. Its IUPAC name is 1,8-dihydroxyanthracene-9,10-dione.

What is Dithranol EP Impurity B used for?

Dithranol EP Impurity B is supplied as a characterised reference material related to Dithranol. 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 Dithranol EP Impurity B can I order?

We supply Dithranol EP Impurity B 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 Dithranol EP Impurity B?

Yes. Every lot of Dithranol EP Impurity B 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 Dithranol EP Impurity B be shipped internationally?

Yes. Dithranol EP Impurity B is classified as hazardous, so it is packed in UN-approved packaging and shipped as dangerous goods under IATA/IMDG rules. We export worldwide on EXW, FOB, CIF and DAP terms.