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288074-67-9

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288074-67-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 288074-67-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,8,8,0,7 and 4 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 288074-67:
(8*2)+(7*8)+(6*8)+(5*0)+(4*7)+(3*4)+(2*6)+(1*7)=179
179 % 10 = 9
So 288074-67-9 is a valid CAS Registry Number.

288074-67-9Relevant articles and documents

Synthetic Utility and Mechanistic Implications of the Fries Rearrangement of Hydroquinone Diesters in Boron Trifluoride Complexes

Boyer, Jessica L.,Krum, Jodie E.,Myers, Michael C.,Fazal, Aleem N.,Wigal, Carl T.

, p. 4712 - 4714 (2000)

Reactions of boron trifluoride methyl and ethyl etherate complexes with hydroquinone diesters yield monomethyl and monoethyl derivatives of acetylhydroquinones. The use of sterically hindered boron trifluoride etherate complexes results in acetylhydroquinone derivatives. This procedure represents a one-step synthesis of acetylhydroquinone derivatives, important building blocks for a variety of synthetic applications.

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