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API Impurities

Pyranocoumarin

Reference StandardAvailable on request

Order Pyranocoumarin (CAS 518-20-7) online at Zemixal. Request a quote with price, lead time and documents. Part of our API Impurities range.

Pack sizes
Pyranocoumarin chemical structure
CAS number518-20-7
FormulaC20H18O4
Molar mass322.4 g/mol
Physical formSolid
HS code38229090
InChIKeyZGFASEKBKWVCGP-UHFFFAOYSA-N
IUPAC name2-methoxy-2-methyl-4-phenyl-3,4-dihydropyrano[3,2-c]chromen-5-one

About Pyranocoumarin

Zemixal lists Pyranocoumarin for laboratories that identify, quantify or control Coumarin and its related substances. For your records (Reference Standard), the material is defined by CAS 518-20-7, formula C20H18O4 and molar mass 322.4 g/mol. It is handled as a solid.

Typical applications

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

Handling and storage

Hazard communication follows GHS (Danger: H310). Our SDS lists exposure controls and first-aid measures.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. You receive a certificate of analysis with characterisation data with each order. Add it to your quote list and our team replies with price, lead time and shipping options within one business day.

Reference standards for Coumarin

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

Coumarin standards

Typical uses

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

Applications

Specifications and identifiers

Specifications of Pyranocoumarin
Product namePyranocoumarin
Catalogue numberZX-034858
CAS number518-20-7
IUPAC name2-methoxy-2-methyl-4-phenyl-3,4-dihydropyrano[3,2-c]chromen-5-one
Molecular formulaC20H18O4
Molar mass322.4 g/mol
Exact mass322.1205
GradeReference Standard
Physical formSolid
XLogP33.7
H-bond donors / acceptors0 / 4
Topological polar surface area44.8 Ų
HS code38229090
InChIKeyZGFASEKBKWVCGP-UHFFFAOYSA-N
SMILESCC1(CC(C2=C(O1)C3=CC=CC=C3OC2=O)C4=CC=CC=C4)OC
PubChem CID10606
SynonymsCyclocoumarol, Methanopyranorin, methopyranorin, 2-methoxy-2-methyl-4-phenyl-3,4-dihydropyrano(3,2-c)chromen-5-one, 3,4-Dihydro-2-methoxy-2-methyl-4-phenyl-2H,5H-pyrano-(3,2-c)(1)-benzopyran-5-one, Pyranocumarin, Cumopyrin, Anticoagulans 63, BL 5, 3,4-Dihydro-2-methoxy-2-methyl-4-phenyl-2H,5H-pyrano(3,2-c)(1)benzopyran-5-one, 3,4-Dihydro-2-methoxy-2-methyl-4-phenyl-2H,5H-pyrano[3,2-c][1]benzopyran-5-one

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

Safety and GHS hazards

GHS06 Acute toxicity
Acute toxicity

Signal word Danger

  • H310Fatal in contact with skin

Precautionary statements P262, P264, P270, P280, P302 + P352, P316, P321, P361 + P364, 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 Pyranocoumarin
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 Pyranocoumarin

Which CAS number identifies Pyranocoumarin?
Pyranocoumarin is registered under CAS 518-20-7. You may also see it listed as Cyclocoumarol, Methanopyranorin, methopyranorin. Our catalogue number for this item is ZX-034858.
What are the formula and molar mass of Pyranocoumarin?
For Pyranocoumarin, its formula is C20H18O4 and its molar mass is 322.4 g/mol. The systematic (IUPAC) name is 2-methoxy-2-methyl-4-phenyl-3,4-dihydropyrano[3,2-c]chromen-5-one. InChIKey ZGFASEKBKWVCGP-UHFFFAOYSA-N lets you match it in any structure database.
How is Pyranocoumarin used in pharmaceutical QC?
Pyranocoumarin is a characterised reference material linked to Coumarin. 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 Pyranocoumarin?
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 Pyranocoumarin?
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 Pyranocoumarin to my country?
Yes. Because Pyranocoumarin 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 Coumarin standards

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