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128563-80-4

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128563-80-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128563-80-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,5,6 and 3 respectively; the second part has 2 digits, 8 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 128563-80:
(8*1)+(7*2)+(6*8)+(5*5)+(4*6)+(3*3)+(2*8)+(1*0)=144
144 % 10 = 4
So 128563-80-4 is a valid CAS Registry Number.

128563-80-4Relevant articles and documents

The Synthesis of Novel Benzomorphan Analogues: A New Intramolecular Acid-catalysed Aldol Route to Benzannelated Bicyclononane Derivatives. X-Ray Molecular Structure of 8-Hydroxy-1-methoxytricyclo2,7>trideca-2,4,6-trien-10-one

Taylor, Richard J. K.,Turner, Stephen M.,Horwell, David C.,Howarth, Oliver W.,Mahon, Mary F.,Molloy, Kieran C.

, p. 2145 - 2150 (2007/10/02)

Novel benzomorphan analogues are described in which the piperidine ring is replaced by an aminocyclohexane ring.The key synthetic intermediate, benzannelated bicyclononane derivative (12), is prepared by an efficient three-step synthetic route base

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