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1,2,3-Tris-(hydroxyimino)difluorcyclobutan, also known as THDF, is a chemical compound with the molecular formula C4H3F3N3O3. It is a cyclic molecule containing three hydroxyimino groups and two fluorine atoms. THDF is a highly reactive and toxic substance, classified as a chemical warfare agent. It is known for its ability to inhibit the enzyme acetylcholinesterase, leading to the accumulation of acetylcholine in the nervous system and causing severe physiological effects. Due to its potential use in warfare, THDF is regulated under the Chemical Weapons Convention. It is important to handle 1,2,3-Tris-(hydroxyimino)difluorcyclobutan with extreme caution and in accordance with strict safety protocols.

4045-40-3

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4045-40-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4045-40-3 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,0,4 and 5 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 4045-40:
(6*4)+(5*0)+(4*4)+(3*5)+(2*4)+(1*0)=63
63 % 10 = 3
So 4045-40-3 is a valid CAS Registry Number.

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