Shipping to 128 countriesCOA and SDS with every lotQuotes within one business day
Bulk CASAccount
API Reference Standards

Difenacoum

Reference StandardAvailable on request

Difenacoum (CAS 56073-07-5) supplier Zemixal. Request a quote with price, lead time and documents. Packs from 10 mg. Catalogue no. ZX-028989.

Pack sizes
Difenacoum chemical structure
CAS number56073-07-5
FormulaC31H24O3
Molar mass444.5 g/mol
Physical formSolid
HS code38229090
InChIKeyFVQITOLOYMWVFU-UHFFFAOYSA-N
IUPAC name4-hydroxy-3-[3-(4-phenylphenyl)-1,2,3,4-tetrahydronaphthalen-1-yl]chromen-2-one

About Difenacoum

Zemixal lists Difenacoum for laboratories that identify, quantify or control Difenacoum and its related substances. Key data (Reference Standard): CAS 56073-07-5, formula C31H24O3 and molar mass 444.5 g/mol. It is handled as a solid.

Common uses in the lab and plant

  • Identification & assay
  • Method development & validation
  • QC reference material
  • Agrochemical formulations

Handling and storage

Classified under GHS with signal word Danger and hazard statements H300, H310, H330 and H372. Read the SDS before first use.

Order it in 10 mg, 25 mg, 50 mg and 100 mg packs or ask for a bulk quotation. Every shipment includes a certificate of analysis with characterisation data. Send an enquiry through the quote panel and you get a formal offer with Incoterms and delivery time.

Reference standards for Difenacoum

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

Difenacoum standards

Typical uses

  • Identification & assay
  • Method development & validation
  • QC reference material
  • Agrochemical formulations

Applications

Specifications and identifiers

Specifications of Difenacoum
Product nameDifenacoum
Catalogue numberZX-028989
CAS number56073-07-5
IUPAC name4-hydroxy-3-[3-(4-phenylphenyl)-1,2,3,4-tetrahydronaphthalen-1-yl]chromen-2-one
Molecular formulaC31H24O3
Molar mass444.5 g/mol
Exact mass444.1725
GradeReference Standard
Physical formSolid
XLogP36.9
H-bond donors / acceptors1 / 3
Topological polar surface area46.5 Ų
HS code38229090
InChIKeyFVQITOLOYMWVFU-UHFFFAOYSA-N
SMILESC1C(CC2=CC=CC=C2C1C3=C(C4=CC=CC=C4OC3=O)O)C5=CC=C(C=C5)C6=CC=CC=C6
PubChem CID54676884
SynonymsNeosorexa PP580, WBA 8107, 3-(3-Biphenyl-4-yl-1,2,3,4-tetrahydro-1-naphthyl)-4-hydroxycoumarin, 3-(3-p-Diphenyl-1,2,3,4-tetrahydronaphth-1-yl)-4-hydroxycoumarin, 2-hydroxy-3-(3-(4-phenylphenyl)-1,2,3,4-tetrahydronaphthalen-1-yl)-4H-chromen-4-one, PP, rat, Difenacoum [BSI:ISO], Difenacoum [ISO], 3-(3-p-Diphenyl-1,2,3,4-tetrahydronaphth-1-yl) -4-hydroxycoumarin, PP 580, 4-hydroxy-3-[3-(4-phenylphenyl)tetralin-1-yl]chromen-2-one, 3-(3-(4-Biphenylyl)-1,2,3,4-tetrahydro-1-naphthyl)-4-hydroxycoumarin

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
GHS08 Health hazard
Health hazard
GHS09 Hazardous to the environment
Hazardous to the environment

Signal word Danger

  • H300Fatal if swallowed
  • H310Fatal in contact with skin
  • H330Fatal if inhaled
  • H372Causes damage to organs through prolonged or repeated exposure
  • H400Very toxic to aquatic life
  • H410Very toxic to aquatic life with long lasting effects

Precautionary statements P203, P260, P262, P264, P270, P271, P273, P280, P284, P301 + P316, P302 + P352, P304 + P340, P316, P318, P319, P320, P321, P330, P361 + P364, P391, 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 Difenacoum
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 Difenacoum

Which CAS number identifies Difenacoum?
Difenacoum is registered under CAS 56073-07-5. You may also see it listed as Neosorexa PP580, WBA 8107, 3-(3-Biphenyl-4-yl-1,2,3,4-tetrahydro-1-naphthyl)-4-hydroxycoumarin. Our catalogue number for this item is ZX-028989.
What are the formula and molar mass of Difenacoum?
For Difenacoum, its formula is C31H24O3 and its molar mass is 444.5 g/mol. The systematic (IUPAC) name is 4-hydroxy-3-[3-(4-phenylphenyl)-1,2,3,4-tetrahydronaphthalen-1-yl]chromen-2-one. InChIKey FVQITOLOYMWVFU-UHFFFAOYSA-N lets you match it in any structure database.
How is Difenacoum used in pharmaceutical QC?
Difenacoum is a characterised reference material linked to Difenacoum. 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 Difenacoum?
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 Difenacoum?
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 Difenacoum to my country?
Yes. Because Difenacoum 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 Difenacoum standards

More in API Reference 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.

Compare 0 of 4Compare now