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872857-74-4

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872857-74-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 872857-74-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 8,7,2,8,5 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 872857-74:
(8*8)+(7*7)+(6*2)+(5*8)+(4*5)+(3*7)+(2*7)+(1*4)=224
224 % 10 = 4
So 872857-74-4 is a valid CAS Registry Number.

872857-74-4Downstream Products

872857-74-4Relevant articles and documents

5-Carba-pterocarpens: A new scaffold with anti-HCV activity

Fernandes, Talita de A.,Costa, Paulo R. R.,Manvar, Dinesh,Basu, Amartya,Kaushik-Basu, Neerja,Domingos, Jorge L. O.,Nichols, Daniel Brian

, p. 33 - 38 (2018/05/15)

The synthesis of a series of 5-carba-pterocarpens derivatives involving the cyclization of α-aryl-α-tetralones is described. Several compounds demonstrated potent activity and selectivity in vitro against HCV replicon reporter cells. The best profile in H

Synthesis of 5-carbapterocarpens by α-arylation of tetralones followed by one-pot demethylation/cyclization with BBr3

Fernandes, Talita De A.,Domingos, Jorge L. O.,Da Rocha, Luiza I. A.,De Medeiros, Sabrina,Najera, Carmen,Costa, Paulo R. R.

, p. 1314 - 1320 (2014/03/21)

5-Carbapterocarpens, one of them displaying estrogenic activity, were prepared from α-aryltetralones in high yields through a one-pot, BBr 3-promoted O-demethylation and cyclization sequence. The key α-aryltetralone intermediates were obtained

Tetracyclic compounds as estrogen ligands

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Page/Page column 11; 16, (2010/02/15)

This invention provides estrogen receptor modulators having the structure: wherein R1, R2, R3, R4, Q, n, R8, R9, R10, and R11 have been defined in the specification; o

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