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405884-57-3

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405884-57-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 405884-57-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 4,0,5,8,8 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 405884-57:
(8*4)+(7*0)+(6*5)+(5*8)+(4*8)+(3*4)+(2*5)+(1*7)=163
163 % 10 = 3
So 405884-57-3 is a valid CAS Registry Number.

405884-57-3Downstream Products

405884-57-3Relevant articles and documents

Synthesis of 1,8-diborylnaphthalenes by the ring-opening reaction of a new anionic boron-bridged naphthalene derivative

Hoefelmeyer, James D.,Gabbai, Fran?ois P.

, p. 982 - 985 (2008/10/08)

Synthesis of 1,8-diborylnaphthalenes by the ring-opening reaction of a new anionic boron-bridged naphthalene derivative was studied. The reaction of the derivative with dimesitylboron fluoride led to the formation of a precipitate that can be recrystallized. The NMR spectroscopy revealed the existence of a symmetrically substituted naphthalene ring and a unique mesityl environment.

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