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Merck

D0879

Diisopropylfluorophosphate

synthetic (organic), serine proteases and acetylcholinesterase inhibitor, liquid

Sinónimos:

DFP, DIFP, Diisopropyl phosphorofluoridate, Phosphoric acid diisopropyl ester fluoride

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Fórmula lineal:
[(CH3)2CHO]2POF
Número CAS:
55-91-4
Peso molecular:
184.15
NACRES:
NA.77
PubChem Substance ID:
24893303
UNSPSC Code:
12352200
EC Number:
200-247-6
MDL number:
MFCD00008873
Beilstein/REAXYS Number:
1723307

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Nombre del producto

Diisopropylfluorophosphate,

SMILES string

CC(C)OP(F)(=O)OC(C)C

InChI key

MUCZHBLJLSDCSD-UHFFFAOYSA-N

InChI

1S/C6H14FO3P/c1-5(2)9-11(7,8)10-6(3)4/h5-6H,1-4H3

biological source

synthetic (organic)

vapor pressure

0.58 mmHg ( 20 °C)

form

liquid

refractive index

n20/D 1.385 (lit.)

bp

62 °C/9 mmHg (lit.)

mp

−82 °C (lit.)

solubility

anhydrous isopropanol: 0.1-0.5 M (stable for months if stored at -70 °C)
H2O: 1.5% at 25 °C (very unstable (at pH 7.5, half-life = 1 hr); decomposed by alkali.)

density

1.06 g/mL at 25 °C (lit.)

antibiotic activity spectrum

Gram-negative bacteria
Gram-positive bacteria

mode of action

protein synthesis | interferes

storage temp.

2-8°C

Quality Level

100

Gene Information

human ... ACHE(43), PTGS1(5742), PTGS2(5743)

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Analysis Note

Typically used at a concentration of 0.10 mM. A safer alternative inhibitor for serine protease is phenylmethylsulfonyl fluoride (PMSF).

Application

Diisopropylfluorophosphate has been used:
  • in combination with inactivated thrombin in Affi-Gel 10 column for the purification of recombinant human thrombomodulin with its chondroitin sulfate chain (shrTMCSA)
  • for inducing status epilepticus (SE) in adult rats
  • as an irreversible serine protease inhibitor in human neutrophil subcellular fractions

Biochem/physiol Actions

Potent inhibitor of serine proteases and acetylcholinesterase; inhibits cathepsin G, cholinesterase, coagulation factor Xa, leucocyte elastase, pancreatic elastase, tissue kallikrein, plasmin, subtilisin, and thrombin. Inhibits apoptosis induced by ricin and bacterial toxins.
Potent inhibitor of serine proteases such as trypsin and chymotrypsin, and of acetylcholinesterase; also inhibits cathepsin G, cholinesterase, coagulation factor Xa, leucocyte elastase, pancreatic elastase, tissue kallikrein, plasmin, subtilisin, and thrombin. Inhibition of acetylcholinesterase makes this compound especially toxic. Inhibits apoptosis induced by ricin and bacterial toxins.

Other Notes

Stored properly at 2-8°C, in an unopened bottle, DIFP should be stable for a minimum of two years. DIFP
is unstable when exposed to moisture. DIFP will develop a dark yellow color upon decomposition.

pictograms

Skull and crossbones
GHS06

signalword

Danger

Hazard Classifications

Acute Tox. 1 Oral - Acute Tox. 2 Dermal - Acute Tox. 2 Inhalation

Clase de almacenamiento

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

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Faceshields, Gloves, type ABEK (EN14387) respirator filter

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Certificados de análisis (COA)

Lot/Batch Number
MKCX9985
MKCX8492
BCCN1772
MKCX3871
MKCX2209

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Identification of a novel splice variant isoform of TREM-1 in human neutrophil granules
Baruah S, et al.
Journal of Immunology, 195(12), 5725-5731 (2015)
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Pathogenic mutations in the Leucine-rich repeat kinase 2 (LRRK2) are the predominant genetic cause of Parkinson's disease (PD). They increase its activity, resulting in augmented Rab10-Thr73 phosphorylation and conversely, LRRK2 inhibition decreases pRab10 levels. Currently, there is no assay to
Asheebo Rojas et al.
Neurobiology of disease, 140, 104863-104863 (2020-04-14)
Seizures can be evident within minutes of exposure to an organophosphorus (OP) agent and often progress to status epilepticus (SE) resulting in a high mortality if left untreated. Effective medical countermeasures are necessary to sustain patients suffering from OP poisoning
Recombinant human thrombomodulincsa+: a tool for analyzing Plasmodium falciparum adhesion to chondroitin-4-sulfate
Parzy D, et al.
Microbes and Infection, 2(7), 779-788 (2000)
Inhibition of the prostaglandin EP2 receptor is neuroprotective and accelerates functional recovery in a rat model of organophosphorus induced status epilepticus
Rojas A, et al.
Neuropharmacology, 93, 15-27 (2015)
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