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1208333-40-7

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1208333-40-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1208333-40-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,8,3,3 and 3 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1208333-40:
(9*1)+(8*2)+(7*0)+(6*8)+(5*3)+(4*3)+(3*3)+(2*4)+(1*0)=117
117 % 10 = 7
So 1208333-40-7 is a valid CAS Registry Number.

1208333-40-7Relevant articles and documents

A novel construction of 2-benzazepine scaffold based on TiCl 4-mediated tandem Mannich reaction - Aromatic electrophilic substitution

Li, Liangxi,Li, Zhiming,Wang, Quanrui

experimental part, p. 2754 - 2761 (2010/04/02)

A novel construction of 2-benzazepine derivatives based on TiCl 4-mediated tandem Mannich reaction of electron-rich benzyl iminium ions with alkenyl ethers and Friedel - Crafts-type alkylation is described. The protocol is amenable to provide the tricyclic furo[3,2-d][2]benzazepine and pyrano[3,2-d][2]benzazepine derivatives, respectively, with 2,3-dihydrofuran or 3,4-dihydro-2H-pyran as the substrates.

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