Cas 108926-16-5,6,7-dimethoxy-4-hydroxy-4-(3,4-dimethoxyphenethyl)isochroman-3-one

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Check Digit Verification of cas no

The CAS Registry Mumber 108926-16-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,9,2 and 6 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 108926-16:
(8*1)+(7*0)+(6*8)+(5*9)+(4*2)+(3*6)+(2*1)+(1*6)=135
135 % 10 = 5
So 108926-16-5 is a valid CAS Registry Number.

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108926-16-5Relevant academic research and scientific papers

Electrochemical Oxidation of Aromatic Ethers. Part 11. The Synthesis of Phenanthropyrrolidines

Bird, Paul,Black, Gerald G.,Lloyd, Helen,Sainsbury, Malcolm,Scopes, David I. C.

, p. 1197 - 1202 (2007/10/02)

7a,8-Dihydro-3,10,11-trimethoxyphenanthrofuran-2,7(5H)dione (5), obtained by electrochemical oxidation of 6,7-dimethoxy-4-(3,4-dimethoxybenzyl)isochroman-3-one, has been converted by reduction, treatment with propylamine, and further reduction into 2,3,4,5,6,7a,8,12b-octahydro-3,10,11-trimethoxy-6-propyl-1H-phenanthropyrrol-2ol (12).Anodic oxidation of 6,7-dimethoxy-4-(3,4-dimethoxyphenethyl)isochroman-3-one (18) affords 8,9-dihydro-2,11,12-trimethoxybenzonaphthopyran-3,7(5H,7aH)dione (26) which on reaction with methylamine yields 4a,5,7,8-tetrahydro-4a-hydroxymethyl-2,10,11-trimethoxy-5-methylnaphthindole-3,6(4H,6aH)dione.

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