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C20H16F10O5 is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

74274-94-5

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74274-94-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74274-94-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,2,7 and 4 respectively; the second part has 2 digits, 9 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 74274-94:
(7*7)+(6*4)+(5*2)+(4*7)+(3*4)+(2*9)+(1*4)=145
145 % 10 = 5
So 74274-94-5 is a valid CAS Registry Number.

74274-94-5Downstream Products

74274-94-5Relevant academic research and scientific papers

FLUORO-SUBSTITUTED BENZO-CROWN POLYETHERS

Haines, Alan H.

, p. 285 - 286 (1980)

3'4'5'6'-Tetrafluorobenzo-15-crown-5 (1) and 3',4',5',6'-tetrafluorobenzo-18-crown-6 (2) are readily prepared by reaction of hexafluorobenzene with tetra- and pentaethylene glycol, respectively, and show markedly reduced salt-extraction capability compared to hydrocarbon analogues.

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