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118220-82-9

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118220-82-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 118220-82-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,8,2,2 and 0 respectively; the second part has 2 digits, 8 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 118220-82:
(8*1)+(7*1)+(6*8)+(5*2)+(4*2)+(3*0)+(2*8)+(1*2)=99
99 % 10 = 9
So 118220-82-9 is a valid CAS Registry Number.

118220-82-9Downstream Products

118220-82-9Relevant articles and documents

Trialkylborane as an Initiator and Terminator of Free Radical Reactions. Facile Routes to Boron Enolates via α-Carbonyl Radicals and Aldol Reaction of Boron Enolates

Nozaki, Kyoko,Oshima, Koichiro,Utimoto, Kiitiro

, p. 403 - 409 (2007/10/02)

A variety of trialkylborane-induced reactions were examined for the preparation of the α-carbonyl radicals: (1) addition of alkyl radical to methyl vinyl ketone, (2) reduction of α-halo ketone, and (3) intramolecular radical addition to α,β-unsaturated carbonyl moiety.Trialkylborane reacted with α-carbonyl radicals to give boron enolates.The resulting boron enolates were efficiently trapped by carbonyl compounds to give β-hydroxy ketones in good yields.

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