Diacerein EP Impurity C (Rhein)

About Diacerein EP Impurity C (Rhein)

Diacerein EP Impurity C (Rhein) is a pharmacopeial impurity of Diacerein carrying the CAS registry number 478-43-3. Its molecular formula is C15H8O6 and its molecular weight is 284.22 g/mol. Its systematic (IUPAC) name is 4,5-dihydroxy-9,10-dioxoanthracene-2-carboxylic acid. Common synonyms include Diacerein EP Impurity C and Rhein.

It is supplied as a solid. Keep the vial tightly closed, protected from light and humidity, at the temperature stated on the Certificate of Analysis. It carries the GHS signal word “Warning” with 3 hazard statements. Review the Safety Data Sheet before use.

This Diacerein impurity supports analytical method development and validation (AMV), batch release testing and the impurity sections of ANDA and DMF filings. Our customers for this product work in pharmaceutical manufacturing and academic and industrial research.

We offer Diacerein EP Impurity C (Rhein) in 10 mg, 25 mg, 50 mg and 100 mg packs with a batch-specific COA, and ship to customers worldwide.

Typical applications

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

Industries

Related to Diacerein

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

Diacerein impurities

Grade guides

Specifications & identifiers

Chemical identifiers
Product name	Diacerein EP Impurity C (Rhein)
Catalogue No.	VQ-022355
CAS Number	478-43-3
IUPAC name	4,5-dihydroxy-9,10-dioxoanthracene-2-carboxylic acid
Molecular formula	C₁₅H₈O₆
Molecular weight	284.22 g/mol
Exact mass	284.0321
Grade	Reference Standard
HSN code	38229090
InChIKey	FCDLCPWAQCPTKC-UHFFFAOYSA-N
SMILES	C1=CC2=C(C(=C1)O)C(=O)C3=C(C2=O)C=C(C=C3O)C(=O)O
PubChem CID	10168

Physical properties
Physical form	Solid
LogP (XLogP3)	2.2
H-bond donors / acceptors	3 / 6
TPSA	112 Å²
Synonyms	Diacerein EP Impurity C, Rhein, Diacerein - Impurity C, Monorhein, Cassic acid, Rhubarb Yellow, Rheic acid, 4,5-Dihydroxyanthraquinone-2-carboxylic acid, Chrysazin-3-carboxylic acid, 1,8-Dihydroxyanthraquinone-3-carboxylic acid, 9,10-Dihydro-4,5-dihydroxy-9,10-dioxo-2-anthracenecarboxylic acid, 2-Anthroic acid, 9,10-dihydro-4,5-dihydroxy-9,10-dioxo-

Safety & hazard information (GHS)

Harmful / irritant

Signal word: Warning

Hazard statements

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 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 Diacerein EP Impurity C (Rhein)?

The CAS Registry Number of Diacerein EP Impurity C (Rhein) is 478-43-3. It is also known as Diacerein EP Impurity C, Rhein, Diacerein - Impurity C.

What is the molecular formula and molecular weight of Diacerein EP Impurity C (Rhein)?

Diacerein EP Impurity C (Rhein) has the molecular formula C15H8O6 and a molecular weight of 284.22 g/mol. Its IUPAC name is 4,5-dihydroxy-9,10-dioxoanthracene-2-carboxylic acid.

What is Diacerein EP Impurity C (Rhein) used for?

Diacerein EP Impurity C (Rhein) is supplied as a characterised reference material related to Diacerein. 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 Diacerein EP Impurity C (Rhein) can I order?

We supply Diacerein EP Impurity C (Rhein) 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 Diacerein EP Impurity C (Rhein)?

Yes. Every lot of Diacerein EP Impurity C (Rhein) 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 Diacerein EP Impurity C (Rhein) be shipped internationally?

Yes. Diacerein EP Impurity C (Rhein) 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.