Diphenadione

    WARNING: This product is for research use only, not for human or veterinary use.

MedKoo CAT#: 558520

CAS#: 82-66-6

Description: Diphenadione is an indanedione anticoagulant and a rodenticide against rats, mice, and other rodents.


Chemical Structure

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Diphenadione
CAS# 82-66-6

Theoretical Analysis

MedKoo Cat#: 558520
Name: Diphenadione
CAS#: 82-66-6
Chemical Formula: C23H16O3
Exact Mass: 340.11
Molecular Weight: 340.380
Elemental Analysis: C, 81.16; H, 4.74; O, 14.10

Price and Availability

This product is not in stock, which may be available by custom synthesis. For cost-effective reason, minimum order is 1g (price is usually high, lead time is 2~3 months, depending on the technical challenge). Quote less than 1g will not be provided. To request quote, please email to sales @medkoo.com or click below button.
Note: Price will be listed if it is available in the future.

Request quote for custom synthesis

Synonym: Diphenadione; Diphacins; Diphenacin; Diphenadion; Diphenadione;

IUPAC/Chemical Name: 1,3-Indandione, 2-diphenylacetyl-

InChi Key: JYGLAHSAISAEAL-UHFFFAOYSA-N

InChi Code: InChI=1S/C23H16O3/c24-21-17-13-7-8-14-18(17)22(25)20(21)23(26)19(15-9-3-1-4-10-15)16-11-5-2-6-12-16/h1-14,19-20H

SMILES Code: O=C1C(C(C(C2=CC=CC=C2)C3=CC=CC=C3)=O)C(C4=C1C=CC=C4)=O

Appearance: Solid powder

Purity: >98% (or refer to the Certificate of Analysis)

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical. This product is stable enough for a few weeks during ordinary shipping and time spent in Customs.

Storage Condition: Dry, dark and at 0 - 4 C for short term (days to weeks) or -20 C for long term (months to years).

Solubility: Soluble in DMSO

Shelf Life: >3 years if stored properly

Drug Formulation: This drug may be formulated in DMSO

Stock Solution Storage: 0 - 4 C for short term (days to weeks), or -20 C for long term (months).

HS Tariff Code: 2934.99.03.00

More Info:

Biological target:
In vitro activity:
In vivo activity:

Preparing Stock Solutions

The following data is based on the product molecular weight 340.38 Batch specific molecular weights may vary from batch to batch due to the degree of hydration, which will affect the solvent volumes required to prepare stock solutions.

Recalculate based on batch purity %
Concentration / Solvent Volume / Mass 1 mg 5 mg 10 mg
1 mM 1.15 mL 5.76 mL 11.51 mL
5 mM 0.23 mL 1.15 mL 2.3 mL
10 mM 0.12 mL 0.58 mL 1.15 mL
50 mM 0.02 mL 0.12 mL 0.23 mL
Formulation protocol:
In vitro protocol:
In vivo protocol:

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1: RODMAN T, PASTOR BH, RESNICK ME. PHENPROCOUMON, DIPHENADIONE, WARFARIN AND BISHYDROXYCOUMARIN: A COMPARATIVE STUDY. Am J Med Sci. 1964 Jun;247:655-60. PubMed PMID: 14169811.

2: Mount ME, Kass PH. Diagnostic importance of vitamin K1 and its epoxide measured in serum of dogs exposed to an anticoagulant rodenticide. Am J Vet Res. 1989 Oct;50(10):1704-9. PubMed PMID: 2802299.

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4: Medvedovici A, David F, Sandra P. Determination of the rodenticides warfarin, diphenadione and chlorophacinone in soil samples by HPLC-DAD. Talanta. 1997 Sep;44(9):1633-40. PubMed PMID: 18966902.

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7: Dennis GC, Gartrell BD. Nontarget mortality of New Zealand lesser short-tailed bats (Mystacina tuberculata) caused by diphacinone. J Wildl Dis. 2015 Jan;51(1):177-86. doi: 10.7589/2013-07-160. PubMed PMID: 25375946.

8: Bullard RW, Holguin G, Peterson JE. Determination of chlorophacinone and diphenadione residues in biological materials. J Agric Food Chem. 1975 Jan-Feb;23(1):72-4. PubMed PMID: 1173369.

9: Bullard RW, Thompson RD, Kilburn SR. Diphenadione residues in milk of cattle. J Agric Food Chem. 1976 Jan-Feb;25(1):79-81. PubMed PMID: 1036746.

10: VALERO A. DIPHENADIONE AS AN ANTICOAGULANT IN ACUTE MYOCARDIAL INFARCTION. Isr Med J. 1964 Apr-Jun;23:111-5. PubMed PMID: 14197002.

11: Bullard RW, Thompson RD, Holguin G. Diphenadione residues in tissues of cattle. J Agric Food Chem. 1976 Mar-Apr;24(2):261-3. PubMed PMID: 946430.

12: Li M, Jin Y, Wang M, Xie Y, Ding H. Diagnostic Error of a Patient with Combined Inherited Factor VII and Factor X Deficiency due to Accidental Ingestion of a Diphacinone Rodenticide. Clin Lab. 2016 Nov 1;62(11):2253-2256. doi: 10.7754/Clin.Lab.2016.160503. PubMed PMID: 28164683.

13: Thompson RD, Mitchell GC, Burns RJ. Vampire bat control by systemic treatment of livestock with an anticoagulant. Science. 1972 Sep 1;177(4051):806-8. PubMed PMID: 5068491.

14: Katz J, Metz J. Hemorrhages in a young boy due to unsuspected diphenadione (Didandin) intoxication. Clin Pediatr (Phila). 1969 May;8(5):291-3. PubMed PMID: 5818811.

15: Rattner BA, Horak KE, Lazarus RS, Goldade DA, Johnston JJ. Toxicokinetics and coagulopathy threshold of the rodenticide diphacinone in eastern screech-owls (Megascops asio). Environ Toxicol Chem. 2014 Jan;33(1):74-81. doi: 10.1002/etc.2390. Epub 2013 Dec 3. PubMed PMID: 24014246.

16: Tan X, Song Z, Chen D, Lv A. Ultrasensitive determination of diphacinone by flow injection chemiluminescence: application to quantification in biofluids and photodegradation monitoring in water samples. J AOAC Int. 2014 Nov-Dec;97(6):1725-9. PubMed PMID: 25632450.

17: Baldwin RA, Quinn N, Davis DH, Engeman RM. Effectiveness of rodenticides for managing invasive roof rats and native deer mice in orchards. Environ Sci Pollut Res Int. 2014 May;21(9):5795-802. doi: 10.1007/s11356-014-2525-4. Epub 2014 Jan 19. PubMed PMID: 24443051.

18: Waddell LS, Poppenga RH, Drobatz KJ. Anticoagulant rodenticide screening in dogs: 123 cases (1996-2003). J Am Vet Med Assoc. 2013 Feb 15;242(4):516-21. doi: 10.2460/javma.242.4.516. PubMed PMID: 23363284.

19: Braselton WE Jr, Neiger RD, Poppenga RH. Confirmation of indandione rodenticide toxicoses by mass spectrometry/mass spectrometry. J Vet Diagn Invest. 1992 Oct;4(4):441-6. PubMed PMID: 1457548.

20: Zheng F, Jin Y, Wang M, Niu Z, Xu P, Xie H. Congenital combined deficiency of factor VII and X in a patient due to accidental diphacinone intoxication. Thromb Haemost. 2011 Jul;106(1):180-1. doi: 10.1160/TH10-11-0732. Epub 2011 May 5. PubMed PMID: 21544315.