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793684-90-9

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793684-90-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 793684-90-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,9,3,6,8 and 4 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 793684-90:
(8*7)+(7*9)+(6*3)+(5*6)+(4*8)+(3*4)+(2*9)+(1*0)=229
229 % 10 = 9
So 793684-90-9 is a valid CAS Registry Number.

793684-90-9Relevant articles and documents

New synthetic route to polyphosphine ligands bearing 1,2,4,5-tetrakis(phosphino)benzene framework: Structural characterizations of 1,4-(PPh2)2 -2,5-(PR)2)2-C6F2 (R = Ph, iPr, Et)

Kongprakaiwoot, Natcharee,Luck, Rudy L.,Urnezius, Eugenijus

, p. 3350 - 3356 (2004)

Reactions of 1,4-dibromo-2,5-difluorobenzene with two equivalents of lithium diisopropylamide at low temperature (T -90 °C) followed by a quench with a slight excess of ClPPh 2 afford 1,4-dibromo-2,5-bis(diphenylphosphino)-3,6-difluorobenzene (1) in good

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