Cas 31924-43-3,1-(4-chlorophenyl)-2-(3-methyl-1,3-benzothiazol-2(3H)-ylidene)ethanone

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Check Digit Verification of cas no

The CAS Registry Mumber 31924-43-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 3,1,9,2 and 4 respectively; the second part has 2 digits, 4 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 31924-43:
(7*3)+(6*1)+(5*9)+(4*2)+(3*4)+(2*4)+(1*3)=103
103 % 10 = 3
So 31924-43-3 is a valid CAS Registry Number.

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31924-43-3Relevant academic research and scientific papers

Semicyclic 3-Trifloxypropen- and Propyniminium Triflates

Reinhard, Robert,Maas, Gerhard,Bohrisch, Joerg,Liebscher, Juergen

, p. 429 - 432 (2007/10/02)

O-Sulfonylation of 2-oxomethylene-substituted 1-azaheterocycles 1 yields the 3-trifloxypropeniminium triflates 2a-e in high yield.Thermal β-elimination of triflic acid from these salts affords the propyniminium triflates (2-ethynylcycliminium triflates) 3

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