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Difenacoum

PESTANAL®, analytical standard

Synonym(s):

3-(3-Biphenyl-4-yl-1,2,3,4-tetrahydro-1-naphthyl)-4-hydroxycoumarin, 3-(3-Biphenyl-4-yl-1,2,3,4-tetrahydro-naphthalen-1-yl)-4-hydroxychromen-2-one

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About This Item

Empirical Formula (Hill Notation):
C31H24O3
CAS Number:
56073-07-5
Molecular Weight:
444.52
Beilstein:
8360065
EC Number:
259-978-4
MDL number:
MFCD01632770
UNSPSC Code:
41116107
PubChem Substance ID:
329754289
NACRES:
NA.24

grade

analytical standard

Quality Level

100

product line

PESTANAL®

shelf life

limited shelf life, expiry date on the label

technique(s)

HPLC: suitable
gas chromatography (GC): suitable

application(s)

agriculture
environmental

format

neat

SMILES string

OC1=C(C2CC(Cc3ccccc23)c4ccc(cc4)-c5ccccc5)C(=O)Oc6ccccc16

InChI

1S/C31H24O3/c32-30-26-12-6-7-13-28(26)34-31(33)29(30)27-19-24(18-23-10-4-5-11-25(23)27)22-16-14-21(15-17-22)20-8-2-1-3-9-20/h1-17,24,27,32H,18-19H2

InChI key

FVQITOLOYMWVFU-UHFFFAOYSA-N

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General description

Difenacoum is a coumarin anticoagulant, which is developed as a rodenticide, in order to control warfarin‐resistant rodents.

Application

Difenacoum may be used as a reference standard in the determination of difenacoum in tissue samples using high performance liquid chromatography (HPLC).
Refer to the product′s Certificate of Analysis for more information on a suitable instrument technique. Contact Technical Service for further support.

Legal Information

PESTANAL is a registered trademark of Merck KGaA, Darmstadt, Germany

Signal Word

Danger

Hazard Classifications

Acute Tox. 1 Dermal - Acute Tox. 1 Inhalation - Acute Tox. 1 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Repr. 1B - STOT RE 1

Target Organs

Blood

Storage Class Code

6.1A - Combustible acute toxic Cat. 1 and 2 / very toxic hazardous materials

WGK

WGK 3

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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Certificates of Analysis (COA)

Lot/Batch Number
BCCL1265
BCCG1520
BCCD4919
BCBT5181
SZBD099XV

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Sigma-Aldrich

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S C Smolinske et al.
Pediatrics, 84(3), 490-494 (1989-09-01)
This prospective study was undertaken to determine the incidence, severity, time of onset, and duration of coagulopathy in children following accidental ingestion of long-acting anticoagulant rodenticides, often called "superwarfarins." Of 110 children, who ingested superwarfarins and in whom one or
S Terneu et al.
Acta clinica Belgica, 58(4), 241-244 (2003-11-26)
A 36-year-old woman presented to the Emergency Room because of abdominal pain associated with hematuria and red blood blending to stool. On admission, the physical examination revealed abdominal tenderness and diffuse cutaneous hematoma. The laboratory findings showed abnormal clotting tests
R Wallin et al.
Thrombosis and haemostasis, 55(2), 235-239 (1986-04-30)
An in vitro system which expresses all enzyme activities related to vitamin K-dependent carboxylation of blood clotting factors was prepared from livers of rats overdosed with warfarin, difenacoum and dicumarol respectively. In this system, the activities of the two pathways
Alan Buckle et al.
Pest management science, 69(2), 233-239 (2012-12-05)
Anticoagulant resistance in Norway rats at foci in Belgium, Denmark, France, Germany, the Netherlands and the United Kingdom is genetically characterised by the same single nucleotide polymorphism (SNP) and consequent amino acid exchange from tyrosine to cysteine at location 139
R Wallin
The Biochemical journal, 236(3), 685-693 (1986-06-15)
In the liver, it appears that there are two different pathways for vitamin K reduction. One pathway is irreversibly inhibited by coumarin anticoagulant drugs. The other pathway has been shown in the present study to be composed of enzymes that
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