Obidoxime dichloride

Catalog No. Size PriceQuantity
M13807-2 Contact for quotation $100


Obidoxime dichloride is a non-full spectrum oxime agent and can be used as an antidote for organophosphate nerve agent poisoning. Obidoxime dichloride reactivates sarin-inhibited acetylcholinesterase (AChE) and reduces acute toxicity of sarin-evaluated.

Product information

CAS Number: 114-90-9

Molecular Weight: 359.21

Formula: C14H16Cl2N4O3

Chemical Name: 4-[(1E)-(hydroxyimino)methyl]-1-[({4-[(1E)-(hydroxyimino)methyl]pyridin-1-ium-1-yl}methoxy)methyl]pyridin-1-ium dichloride

Smiles: [Cl-].[Cl-].O/N=C/C1C=C[N+](COC[N+]2C=CC(/C=N/O)=CC=2)=CC=1


InChi: InChI=1S/C14H14N4O3.2ClH/c19-15-9-13-1-5-17(6-2-13)11-21-12-18-7-3-14(4-8-18)10-16-20;;/h1-10H,11-12H2;2*1H

Technical Data

Appearance: Solid Power

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

Shipping Condition: Shipped under ambient temperature as non-hazardous chemical or refer to Certificate of Analysis

Storage Condition: Dry, dark and -20 oC for 1 year or refer to the Certificate of Analysis.

Shelf Life: ≥12 months if stored properly.

Stock Solution Storage: 0 - 4 oC for 1 month or refer to the Certificate of Analysis.

Drug Formulation: To be determined

HS Tariff Code: 382200

How to use

In Vivo:

Obidoxime dichloride (intramuscular injection; 10 mg/kg; after 60 mins) exhibits a LD50 of 57.7 mg/kg after administration of sarin, and it reduces reduces acute toxicity of sarin was evaluated.


  1. Kassa J,et al. A comparison of the reactivating and therapeutic efficacy of two novel bispyridinium oximes (K727, K733) with the oxime HI-6 and obidoxime in sarin-poisoned rats and mice.Toxicol Mech Methods. 2015 Mar;25(3):229-33.

Products are for research use only. Not for human use.

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