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1148136-45-1

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1148136-45-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1148136-45-1 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,4,8,1,3 and 6 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1148136-45:
(9*1)+(8*1)+(7*4)+(6*8)+(5*1)+(4*3)+(3*6)+(2*4)+(1*5)=141
141 % 10 = 1
So 1148136-45-1 is a valid CAS Registry Number.

1148136-45-1Downstream Products

1148136-45-1Relevant articles and documents

A very efficient route toward the 4a-methyltetrahydrofluorene skeleton: short synthesis of (±)-dichroanone and (±)-taiwaniaquinone H

Alvarez-Manzaneda, Enrique,Chahboun, Rachid,Cabrera, Eduardo,Alvarez, Esteban,Alvarez-Manzaneda, Ramón,Meneses, Ricardo,Es-Samti, Hakima,Fernández, Antonio

supporting information; experimental part, p. 3384 - 3388 (2009/09/08)

A very expedient and efficient new route toward taiwaniaquinoids, bearing the 4a-methyltetrahydrofluorene skeleton, is reported. Key steps are the intramolecular Friedel - Crafts alkylation of an aryldiene and the degradative oxidation of a methylenedioxy

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