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116019-90-0

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116019-90-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 116019-90-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,0,1 and 9 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 116019-90:
(8*1)+(7*1)+(6*6)+(5*0)+(4*1)+(3*9)+(2*9)+(1*0)=100
100 % 10 = 0
So 116019-90-0 is a valid CAS Registry Number.

116019-90-0Upstream product

116019-90-0Relevant articles and documents

Preparation of polyfluoroenolates

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, (2008/06/13)

Polyfluoroenolates, R1 CX=CR2 OM (R1 is F or a perfluoroalkyl group, R2 is a perfluoroalkyl group, X is F, Cl or Br), are easily formed at good yields by dehydrohalogenation reaction of polyfluoroalcoholates, R1 CXY--CR2 HOM (Y is F, Cl or Br), with a strong base such as, e.g., an alkyl metal or an aryl metal. A typical example of the polyfluoroenolates is lithium pentafluoro-2-propenolate which is obtained from hexafluoro-2-propanolate. A polyfluoroenolate of the above general formula can be converted into another polyfluoroenolate having an alkyl or aryl group in place of the halogen X by reaction with an alkyl or aryl metal.

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