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109089-48-7

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109089-48-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109089-48-7 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,0,8 and 9 respectively; the second part has 2 digits, 4 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 109089-48:
(8*1)+(7*0)+(6*9)+(5*0)+(4*8)+(3*9)+(2*4)+(1*8)=137
137 % 10 = 7
So 109089-48-7 is a valid CAS Registry Number.

109089-48-7Relevant articles and documents

Cyclisation studies of 5-arylalkyl-1,2,3,4,5,6,7,8-octahydroisoquinolines

Dennison, Philip R.,Gibson, Alan,Gray, Alexander I.,Patrick, Graham L.

, p. 721 - 727 (2007/10/03)

Treatment of 1-methyl-5-(3-phenylpropyl)-1,2,3,4,5,6,7,8-octahydroisoquinoline with 48% HBr results in isomerisation of the double bond and cyclisation at position-5 of the octahydroisoquinoline ring system to give a novel spiro structure. This is in cont

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