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136176-42-6

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136176-42-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 136176-42-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,6,1,7 and 6 respectively; the second part has 2 digits, 4 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 136176-42:
(8*1)+(7*3)+(6*6)+(5*1)+(4*7)+(3*6)+(2*4)+(1*2)=126
126 % 10 = 6
So 136176-42-6 is a valid CAS Registry Number.

136176-42-6Downstream Products

136176-42-6Relevant articles and documents

Redox-Initiated Per(poly)fluoroalkylation of Olefins by Per(poly)fluoroalkyl Chlorides

Hu, Chang-Ming,Qing, Feng-Ling

, p. 6348 - 6351 (2007/10/02)

The per(poly)fluoroalkylation of olefins by per(poly)fluoroalkyl chlorides, initiated by ammonium persulfate/sodium formate ((NH4)2S2O8/HCO2Na), is described.The reaction proceeds smoothly in polar aprotic solvents. The presence of functional groups like sodium carboxylate or sulfonate in the polyfluoroalkyl chloride appear to facilitate the reaction.The reaction appears to be initiated by a single-electron transfer, represents the firat example of the reactivity of per(poly)fluoroalkyl chlorides, and also demonstrates their use as per(poly)fluoroalkylating agents.For α-chloro-ω-iodoperfluoroalkanes only the carbon-iodine bond is cleaved during the reaction.An explantation for the apparent stability of the carbon-chlorine bond in such compounds is given.

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