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99728-37-7

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99728-37-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99728-37-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,7,2 and 8 respectively; the second part has 2 digits, 3 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 99728-37:
(7*9)+(6*9)+(5*7)+(4*2)+(3*8)+(2*3)+(1*7)=197
197 % 10 = 7
So 99728-37-7 is a valid CAS Registry Number.

99728-37-7Downstream Products

99728-37-7Relevant articles and documents

Fluorocarbanion Chemistry. A Versatile Synthesis of Functionalized Fluoro Ketones

Krespan, Carl G.,Smart, Bruce E.

, p. 320 - 326 (1986)

Fluorocarbanions generated by the addition of an anion to a fluoro olefin can be trapped by fluoro esters, thereby providing a versatile, one-step synthesis of functionalized fluoro ketones.The most efficient anions include CN-, N3-, C6H5O-, RO-, and RS-.The reaction has been extended in one case to prepare a sulfinate ester.

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