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128812-95-3

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128812-95-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128812-95-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,8,1 and 2 respectively; the second part has 2 digits, 9 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 128812-95:
(8*1)+(7*2)+(6*8)+(5*8)+(4*1)+(3*2)+(2*9)+(1*5)=143
143 % 10 = 3
So 128812-95-3 is a valid CAS Registry Number.

128812-95-3Downstream Products

128812-95-3Relevant articles and documents

N-HALOGENO COMPOUNDS. PART 11. PERFLUORO-, A POWERFUL NEW ELECTROPHILIC FLUORINATING AGENT

Banks, Ronald Eric,Khazaei, Ardeshir

, p. 297 - 305 (1990)

Perfluoro- (III), synthesised via direct fluorination of the sodio derivative of perfluoro- (I), readily converts diethyl sodio(phenyl)malonate and anisole to diethyl fluoro(phenyl)malonate and ortho- plus para-fluoroanisole respectively at ambient temperature; at 60 deg C it quickly converts benzene to fluorobenzene.The sodio-precursor (I) of the N-F compound (III) is easily made from pentafluoropyridine and trifluoromethanesulphonamide.

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