Schradan

Schradan
Names

Preferred IUPAC name Octamethyldiphosphoric tetraamide
Other names OMPA, Octamethyl pyrophosphoramide
Identifiers
CAS Number	152-16-9
3D model (JSmol)	Interactive image
ChEBI	CHEBI:82148
ChemSpider	8685
ECHA InfoCard	100.005.275
EC Number	205-801-0
KEGG	C19015
PubChem CID	9037
RTECS number	UX5950000
UNII	D77OYM46S1
UN number	3018
CompTox Dashboard (EPA)	DTXSID0042373
InChI InChI=1S/C8H24N4O3P2/c1-9(2)16(13,10(3)4)15-17(14,11(5)6)12(7)8/h1-8H3 Key: SZKKRCSOSQAJDE-UHFFFAOYSA-N
SMILES CN(C)P(=O)(N(C)C)OP(=O)(N(C)C)N(C)C
Properties
Chemical formula	C₈H₂₄N₄O₃P₂
Molar mass	286.253 g·mol⁻¹
Density	1.09
Hazards
Occupational safety and health (OHS/OSH):
Main hazards	Toxic
GHS labelling:
Pictograms
Signal word	Danger
Hazard statements	H300, H310, H330, H371, H373, H412
Precautionary statements	P260, P262, P264, P270, P271, P273, P280, P284, P301+P310, P302+P350, P304+P340, P309+P311, P310, P314, P320, P321, P322, P330, P361, P363, P403+P233, P405, P501
Except where otherwise noted, data are given for materials in their standard state (at 25 °C [77 °F], 100 kPa). Infobox references

Chemical compound

Schradan, named after Gerhard Schrader, is an obsolete organophosphate insecticide.^[1] Schradan itself is a weak cholinesterase inhibitor and requires metabolic activation to become active.^[2]

References

^ GARDINER, JE; KILBY, BA (April 1952). "Biochemistry of organic phosphorus insecticides. I. The mammalian metabolism of bis(dimethylamino) phosphonous anhydride (Schradan)". The Biochemical Journal. 51 (1): 78–85. doi:10.1042/bj0510078. PMC 1197790. PMID 14944535.
^ DAVISON, AN (October 1955). "The conversion of schra dan (OMPA) and parathion into inhibitors of cholinesterase by mammalian liver". The Biochemical Journal. 61 (2): 203–9. doi:10.1042/bj0610203. PMC 1215773. PMID 13260199.

Acetylcholine metabolism and transport modulators

Enzyme
(modulators)

ChATTooltip Choline acetyltransferase	Inhibitors: 1-(-Benzoylethyl)pyridinium 2-(α-Naphthoyl)ethyltrimethylammonium 3-Chloro-4-stillbazole 4-(1-Naphthylvinyl)pyridine Acetylseco hemicholinium-3 Acryloylcholine AF64A B115 BETA CM-54,903 N,N-Dimethylaminoethylacrylate N,N-Dimethylaminoethylchloroacetate
AChETooltip Acetylcholinesterase	Inhibitors: Reversible: Carbamates: Aldicarb Aminocarb Bendiocarb Bufencarb Carbaryl Carbendazim Carbetamide Carbofuran Carbosulfan Chlorbufam Chloropropham Dimetilan Ethienocarb Ethiofencarb Fenobucarb Formetanate Formparanate Methiocarb Methomyl Metolcarb Miotine Oxamyl Phenmedipham Pinmicarb Pirimicarb Promecarb Propamocarb Propham Propoxur Thiodicarb Thiofanox; Stigmines: Distigmine Eptastigmine Ganstigmine Neostigmine +glycopyrronium bromide Phenserine Physostigmine Pyridostigmine Quilostigmine Rivastigmine Terestigmine; Others: Acotiamide Ambenonium Caffeine Donepezil EA-3990 EA-4056 Edrophonium Galantamine Huperzine A Huprine W Huprine X Huprine Y Ipidacrine Itopride Ladostigil Minaprine Octamethylene-bis(5-dimethylcarbamoxyisoquinolinium bromide) T-1123 T-1152 T-1194 TL-599 TL-1238 Tacrine Zanapezil Irreversible: Organophosphates: 2-Ethoxycarbonyl-1-methylvinyl cyclohexyl methylphosphonate Acephate Armine Azinphos-ethyl Azinphos-methyl BAY-29952 Bensulide Cadusafos Carbophenothion Chlorethoxyfos Chlorfenvinphos Chlorpyrifos Chlorpyrifos-methyl Coumaphos Crotylsarin Cyanophos Cyclosarin (GF) Demephion Demeton Demeton-S-methyl Dialifor Diazinon Dichlorvos Dicrotophos Dicyclohexyl phosphorofluoridate Diisopropylphosphate Diisopropyl fluorophosphate Dimefox Dimethoate Dimethyl 4-(methylthio)phenyl phosphate Dioxathion Disulfoton EA-2012 EA-2054 EA-2098 EA-2192 EA-2613 EA-3148 EA-4352 Echothiophate Ethylsarin (GE) Endothion EPN Ethion Ethoprop Fenamiphos Fenitrothion Fenthion Fluorotabun Fonofos Formothion Fosthiazate GD-42 GH GT-45 GV Guanitoxin Hexaethyl tetraphosphate (HETP) Isofluorophate Isoxathion Leptophos Malaoxon Malathion Mazidox Methamidophos Methidathion Methyl phenkapton Methylfluorophosphonylcholine (MFPCh) Metrifonate Mevinphos Mipafox Monocrotophos MSPI Naled Novichok agent Omethoate Oxydemeton-methyl Paraoxon Parathion Parathion-methyl Phorate Phosalone Phosfolan Phosmet Phosphamidon Phoxim Pirimiphos-methyl Profenofos Prothoate R-16661 Ro 3-0340 Ro 3-0346 Ro 3-0347 Ro 3-0351 Ro 3-0352 Ro 3-0397 Ro 3-0411 Ro 3-0412 Ro 3-0417 Ro 3-0419 Ro 3-0422 Ro 3-0433 Ronnel Sarin (GB) Schradan Soman (GD) Sulfotep (TEDP) Tabun (GA) Tebupirimfos Temefos Terbufos Tetrachlorvinphos Tetraethyl pyrophosphate (TEPP) Triazofos Tribufos Trichlorfon Trichloronate Tricresyl phosphate VE VG VM VP VS VR VX; Others: Demecarium Fasciculins (green mamba toxins) (1, 2, 3, 4) Onchidal (Onchidella binneyi) Methanesulfonyl fluoride Unsorted: α-Pinene α-Viniferin Affinine Affinisine Arisugacin A Bulbocapnine Conodurine Coronaridine Corydaline Corynoline Crimidine Cyclanoline Cymserine Harmaline Kobophenol A Lactucopicrin Lycorine Phosacetim Rosmarinic acid Stercuronium iodide Taspine Tetrahydrocannabinol Ungeremine Ungiminorine Dimethylcarbamoyl fluoride BW284C51 TMTFA 3152 CT Reactivators: Asoxime chloride Methoxime Obidoxime Pralidoxime Trimedoxime bromide
BChETooltip Butyrylcholinesterase	Inhibitors: Affinine Affinisine Conodurine Cymserine Ladostigil Profenamine (ethopropazine) Rivastigmine Tacrine ZINC-12613047 Many of the other AChE inhibitors listed above

Transporter
(modulators)

CHTTooltip Choline transporter	Inhibitors: Hemicholinium-3 (hemicholine) Triethylcholine Enhancers: Coluracetam
VAChTTooltip Vesicular acetylcholine transporter	Inhibitors: Vesamicol

Release
(modulators)

Inhibitors	SNAP-25Tooltip Synaptosomal-associated protein 25 inactivators: Botulinum toxin (A, C, E) VAMPTooltip Vesicle-associated membrane protein inactivators: Botulinum toxin (B, D, F, G) Others: Bungarotoxins (β-bungarotoxin, γ-bungarotoxin)
Enhancers	LPHNTooltip Latrophilin agonists: α-Latrotoxin Others: Atracotoxins (e.g., robustoxin, versutoxin) Crotoxin

See also: Receptor/signaling modulators; Muscarinic acetylcholine receptor modulators; Nicotinic acetylcholine receptor modulators

v t e Pest control: Insecticides
Carbamates	Aldicarb Aminocarb Bendiocarb Butocarboxim Carbaryl Carbofuran Carbosulfan m-Cumenyl methylcarbamate Ethienocarb Fenobucarb Isoprocarb Methomyl Metolcarb Oxamyl Promecarb Propoxur
Inorganic compounds	Aluminium phosphide Boric acid Chromated copper arsenate Copper(II) arsenate Copper(I) cyanide Cryolite Diatomaceous earth Lead hydrogen arsenate Paris Green Scheele's Green
Insect growth regulators	Benzoylureas Diflubenzuron Flufenoxuron Hydroprene Lufenuron Methoprene Pyriproxyfen
Neonicotinoids	Acetamiprid Clothianidin Dinotefuran Imidacloprid Nitenpyram Nithiazine Thiacloprid Thiamethoxam
Organochlorides	Aldrin Beta-HCH Carbon tetrachloride Chlordane Cyclodiene 1,2-DCB 1,4-DCB 1,1-DCE 1,2-DCE DDD DDE DDT DFDT Dicofol Dieldrin Endosulfan Endrin Heptachlor Kepone Lindane Methoxychlor Mirex Tetradifon Toxaphene
Organophosphorus	Acephate Azamethiphos Azinphos-methyl Bensulide Chlorethoxyfos Chlorfenvinphos Chlorpyrifos Chlorpyrifos-methyl Coumaphos Demeton-S-methyl Diazinon Dichlorvos Dicrotophos Diisopropyl fluorophosphate Dimefox Dimethoate Dioxathion Disulfoton Ethion Ethoprop Fenamiphos Fenitrothion Fenthion Fosthiazate Isoxathion Malathion Methamidophos Methidathion Mevinphos Mipafox Monocrotophos Naled Omethoate Oxydemeton-methyl Parathion Parathion-methyl Phenthoate Phorate Phosalone Phosmet Phoxim Pirimiphos-methyl Quinalphos R-16661 Schradan Temefos Tebupirimfos Terbufos Tetrachlorvinphos Tribufos Trichlorfon
Pyrethroids	Acrinathrin Allethrins Bifenthrin Bioallethrin Cyfluthrin Cyhalothrin Cypermethrin Cyphenothrin Deltamethrin Empenthrin Esfenvalerate Etofenprox Fenpropathrin Fenvalerate Flumethrin Fluvalinate Imiprothrin Metofluthrin Permethrin Phenothrin Prallethrin Pyrethrin (I, II; chrysanthemic acid) Pyrethrum Resmethrin Silafluofen Tefluthrin Tetramethrin Tralomethrin Transfluthrin
Ryanoids	Chlorantraniliprole Cyantraniliprole Flubendiamide Ryanodine Ryanodol
Other chemicals	Afoxolaner Amitraz Azadirachtin Bensultap Buprofezin Cartap Chlordimeform Chlorfenapyr Cyromazine Fenazaquin Fenoxycarb Fipronil Fluralaner Hydramethylnon Indoxacarb Limonene Lotilaner (+milbemycin oxime) Pyridaben Pyriprole Sarolaner Sesamex Spinosad Sulfluramid Tebufenozide Tebufenpyrad Veracevine Xanthone Metaflumizone
Metabolites	Oxon Malaoxon Paraoxon TCPy
Biopesticides	Bacillus thuringiensis Baculovirus Beauveria bassiana Beauveria brongniartii Isaria fumosorosea Metarhizium acridum Metarhizium anisopliae Nomuraea rileyi Lecanicillium lecanii Paenibacillus popilliae Purpureocillium lilacinum Spinosad

v t e Neurotoxins
Animal toxins	Batrachotoxin Bestoxin Birtoxin Bungarotoxin Charybdotoxin Conotoxin Fasciculin Huwentoxin Poneratoxin Saxitoxin Tetrodotoxin Vanillotoxin Spooky toxin (SsTx) Epibatidine Zetekitoxin AB Dendrotoxin
Bacterial	Botulinum toxin Tetanospasmin
Cyanotoxins	Anatoxin-a Guanitoxin BMAA Saxitoxin
Plant toxins	Aconitine Bicuculline Penitrem A Picrotoxin Strychnine Tutin Rotenone Ginkgotoxin Cicutoxin Oenanthotoxin Thujone Volkensin Veratridine
Mycotoxins	Ibotenic acid Muscarine Muscimol
Pesticides	Fenpropathrin Tetramethylenedisulfotetramine Bromethalin Crimidine Methamidophos Endosulfan Fipronil Phenylsilatrane Chlorophenylsilatrane Sulfuryl fluoride Mipafox Schradan Dimefox
Nerve agents	Cyclosarin EA-3148 Novichok agent Sarin Soman Tabun VE VG VM VP VR VX GV EA-3990 EA-4056 T-1123 Octamethylene-bis(5-dimethylcarbamoxyisoquinolinium bromide) Fluorotabun Chinese VX EA-2192
Bicyclic phosphates	TBPS TBPO IPTBO
Cholinergic neurotoxins	Acetylcholine mustard Catecholine Choline mustard Ethylcholine mustard Hemicholinium mustard
Other	Dimethylcadmium Dimethylmercury Toxopyrimidine IDPN Tetraethyllead