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569646-48-6

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569646-48-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 569646-48-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,6,9,6,4 and 6 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 569646-48:
(8*5)+(7*6)+(6*9)+(5*6)+(4*4)+(3*6)+(2*4)+(1*8)=216
216 % 10 = 6
So 569646-48-6 is a valid CAS Registry Number.

569646-48-6Relevant articles and documents

Retro-Mannich reactions of 3-alkyl-3,4-dihydro-2H-1,3-benz[e]oxazines and the synthesis of axially chiral resorcinarenes

Page, Philip C. Bulman,Heaney, Harry,McGrath, Matthew J.,Sampler, Edward P.,Wilkins, Robert F.

, p. 2965 - 2970 (2003)

Intermediates involved in the conversion of 3-alkyl-3,4-dihydro-2H-1,3-benz[e]oxazines into 2-N,N-dialkylaminomethylphenol derivatives, using morpholine and other high boiling secondary amines, have been identified and characterised. Additional experiments have established the involvement of o-quinone methide intermediates in the retro-Mannich reactions. Axially chiral resorcinarenes have been prepared by utilising the exchange reactions.

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