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15540-09-7

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15540-09-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 15540-09-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,5,5,4 and 0 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 15540-09:
(7*1)+(6*5)+(5*5)+(4*4)+(3*0)+(2*0)+(1*9)=87
87 % 10 = 7
So 15540-09-7 is a valid CAS Registry Number.

15540-09-7Relevant articles and documents

Cyclopentane construction by Rh-catalyzed intramolecular C-H insertion: Relative reactivity of a range of catalysts

Taber, Douglass F.,Joshi, Pramod V.

, p. 4276 - 4278 (2004)

The preparation and Rh-mediated cyclization of the α-diazoester 1 are outlined, and its utility in determining the elements that contribute to the reactivity of the intermediate Rh-carbenoid is presented. The rate of disappearance of diazo ester 1 catalyz

REDUCTION OF BENZYLIDENEACETONE DERIVATIVES WITH Pd/SiO2-AlPO4 AS CATALYST AND CYCLOHEXENE AS HYDROGEN DONOR

Alba, A.,Aramendia, A.,Borau, V.,Garcia-Raso, A.,Jimenez, C.,Marinas, J. M.

, p. 917 - 921 (2007/10/02)

The hydrogen transfer reduction of benzylidenacetone derivatives p-X-C6H4-CH=CH-CO-R (X=-OCH3, H; R=C6H5, alkyl, OR, OH) using cyclohexene as hydrogen donor has been studied.The selective reduction of the C=C bond is observed and the effects of the nature of X and R, solvent, catalyst, and reaction temperature on the initial reaction rate are analyzed.In all cases, and for any substrate or catalyst, the reaction is firts-order with respect to the hydrogen donor and acceptor.

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