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934744-07-7

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934744-07-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 934744-07-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,3,4,7,4 and 4 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 934744-07:
(8*9)+(7*3)+(6*4)+(5*7)+(4*4)+(3*4)+(2*0)+(1*7)=187
187 % 10 = 7
So 934744-07-7 is a valid CAS Registry Number.

934744-07-7Downstream Products

934744-07-7Relevant articles and documents

Synthesis and anticholinesterase activity of some new fluorogenic analogues of organophosphorus nerve agents

Timperley, Christopher M.,Casey, Krystal E.,Notman, Stuart,Sellers, David J.,Williams, Nancy E.,Williams, Nichola H.,Williams, Gareth R.

, p. 1554 - 1563 (2008/09/18)

Eighteen new fluorogenic analogues of organophosphorus nerve agents were synthesised and characterised. They included analogues of tabun, sarin, cyclosarin, soman, VX, and Russian VX, with the 7-oxy-4-methylcoumarin or 7-oxy-4-(trifluoromethyl)coumarin leaving group. These analogues inhibited acetylcholinesterase (AChE) effectively in vitro and therefore have potential as tools for the identification of novel organophosphatases in biological systems. Analogues of VX and Russian VX with the 7-amino-4-methylcoumarin group, although poor AChE inhibitors, may have utility for screening enzyme libraries for phosphoramidases capable of cleaving P-N bonds.

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