Physcion

Name: Physcion
Brand: Zemixal
SKU: ZX-031509

Reference StandardAvailable on request

Physcion (CAS 521-61-9) supplier Zemixal: C16H12O5, COA and SDS with every lot, worldwide shipping. Part of our API Impurities range.

Pack sizes

CAS number521-61-9

FormulaC₁₆H₁₂O₅

Molar mass284.26 g/mol

Physical formSolid

HS code38229090

InChIKeyFFWOKTFYGVYKIR-UHFFFAOYSA-N

IUPAC name1,8-dihydroxy-3-methoxy-6-methylanthracene-9,10-dione

About Physcion

Analytical teams working on Diacerein use Physcion as a qualified comparison standard. Key data (Reference Standard): CAS 521-61-9, formula C16H12O5 and molar mass 284.26 g/mol. It is handled as a solid.

Use cases we see most often

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

Storage and safety notes

It carries the GHS signal word Warning (H315, H319 and H335), so wear gloves and eye protection and work with good ventilation.

Available as 10 mg, 25 mg, 50 mg and 100 mg. Larger or split packs can be arranged. Each lot travels with a certificate of analysis with characterisation data. Request pricing online and we confirm availability, documentation and freight to your country.

Reference standards for Diacerein

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

Diacerein standards

Typical uses

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

Applications

Pharmaceutical Manufacturing and QC Research Labs and Universities

Specifications and identifiers

Specifications of Physcion
Product name	Physcion
Catalogue number	ZX-031509
CAS number	521-61-9
IUPAC name	1,8-dihydroxy-3-methoxy-6-methylanthracene-9,10-dione
Molecular formula	C₁₆H₁₂O₅
Molar mass	284.26 g/mol
Exact mass	284.0685
Grade	Reference Standard
Physical form	Solid
XLogP3	3
H-bond donors / acceptors	2 / 5
Topological polar surface area	83.8 Å²
HS code	38229090
InChIKey	FFWOKTFYGVYKIR-UHFFFAOYSA-N
SMILES	CC1=CC2=C(C(=C1)O)C(=O)C3=C(C2=O)C=C(C=C3O)OC
PubChem CID	10639
Synonyms	Physcione, Rheochrysidin, Emodin 3-methyl ether, 1,8-Dihydroxy-3-methoxy-6-methyl-9,10-anthracenedione, Parienin, Emodin monomethyl ether, Emodin-3-methyl ether, 1,8-Dihydroxy-3-methoxy-6-methylanthraquinone, 1,8-Dihydroxy-3-methyl-6-methoxyanthraquinone, 1,8-Dihydroxy-3-methyl-6-methoxy-9,10-anthraquinone, Rheochrysidin (Physcione), 1,8-Dihydroxy-3-methoxy-6-methyl-anthraquinone

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

Safety and GHS hazards

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 Physcion
10 mg	Quoted on request
25 mg	Quoted on request
50 mg	Quoted on request
100 mg	Quoted on request

Need a different size? Bulk drums and custom packing are quoted on request through the quote form on this page.

Questions about Physcion

Which CAS number identifies Physcion?

Physcion is registered under CAS 521-61-9. You may also see it listed as Physcione, Rheochrysidin, Emodin 3-methyl ether. Our catalogue number for this item is ZX-031509.

What are the formula and molar mass of Physcion?

For Physcion, its formula is C16H12O5 and its molar mass is 284.26 g/mol. The systematic (IUPAC) name is 1,8-dihydroxy-3-methoxy-6-methylanthracene-9,10-dione. InChIKey FFWOKTFYGVYKIR-UHFFFAOYSA-N lets you match it in any structure database.

How is Physcion used in pharmaceutical QC?

Physcion is a characterised reference material linked to Diacerein. 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 Physcion?

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 Physcion?

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 Physcion to my country?

Yes. Because Physcion 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.

More Diacerein standards

Have a list of compounds to price?

Paste up to 200 CAS numbers into Bulk CAS lookup, or send one enquiry for everything in your quote list. We reply with price, lead time and documents.

Bulk CAS lookup Open quote list