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137445-18-2

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137445-18-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 137445-18-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,7,4,4 and 5 respectively; the second part has 2 digits, 1 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 137445-18:
(8*1)+(7*3)+(6*7)+(5*4)+(4*4)+(3*5)+(2*1)+(1*8)=132
132 % 10 = 2
So 137445-18-2 is a valid CAS Registry Number.

137445-18-2Downstream Products

137445-18-2Relevant articles and documents

Reactions Involving Fluoride Ion. Part 35. Fluorinated Derivatives of Benzyl Anions

Chambers, Richard D.,Greenhall, Martin P.,Seabury, Mark J.

, p. 2061 - 2064 (2007/10/02)

Hexafluoroisopropyl groups were introduced into fluorinated aromatic systems using 2H-pentafluoropropene and caesium fluoride.Reaction with pentafluoronitrobenzene gave a fluorinated isoxazole and a mechanism is advanced for this reaction.Direct observation of fluorinated benzyl anion derivatives has been possible and effects on fluorine chemical shifts are discussed.

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