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141708-85-2

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141708-85-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 141708-85-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,1,7,0 and 8 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 141708-85:
(8*1)+(7*4)+(6*1)+(5*7)+(4*0)+(3*8)+(2*8)+(1*5)=122
122 % 10 = 2
So 141708-85-2 is a valid CAS Registry Number.

141708-85-2Downstream Products

141708-85-2Relevant articles and documents

Evaluation of Zard trifluoromethylketone synthesis for the preparation of potential bifunctional fluorinated synthons

Diter, Patrick,Magnier, Emmanuel,Blazejewski, Jean-Claude

, p. 1235 - 1240 (2007)

In the quest for potential bifunctional fluorinated synthons, we examined the behavior of chlorodifluoroacetic and hexafluoroglutaric anhydride in their reaction with acid chlorides in the presence of pyridine under the conditions of Zard trifluoromethylketone synthesis. Chlorodifluoroacetic anhydride led easily to the expected chlorodifluoromethyl ketones in the case of relatively non-encumbered primary acid chlorides. In the case of hexafluoroglutaric anhydride we observed the unexpected formation of α substituted hexafluorocyclohexane-1,3-dione derivatives among with the corresponding fluorinated 3-chloro-cyclohexenones.

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