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82413-31-8

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82413-31-8 Usage

Chemical Properties

White Solid

Check Digit Verification of cas no

The CAS Registry Mumber 82413-31-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,2,4,1 and 3 respectively; the second part has 2 digits, 3 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 82413-31:
(7*8)+(6*2)+(5*4)+(4*1)+(3*3)+(2*3)+(1*1)=108
108 % 10 = 8
So 82413-31-8 is a valid CAS Registry Number.
InChI:InChI=1/C21H24O3/c1-2-19(21(22)17-8-4-3-5-9-17)16-11-13-18(14-12-16)24-20-10-6-7-15-23-20/h3-5,8-9,11-14,19-20H,2,6-7,10,15H2,1H3

82413-31-8Relevant articles and documents

Estrogenic and Antiestrogenic Activity of Monophenolic Analogues of Tamoxifen, (Z)-2--N,N-dimethylethylamine

Ruenitz, Peter C.,Bagley, Jerome R.,Mokler, Corwin M.

, p. 1056 - 1060 (2007/10/02)

Five hydroxylated analogues of tamoxifen -N,N-dimethylethylamine> and its geometric isomer were prepared by reaction of protected hydroxy-α-ethyldeoxybenzoins with 4-phenylmagnesium bromide, followed by acid-catalyzed dehydration-deprotection and chromatographic separation of isomer mixtures.Estrogen receptor binding affinity and estrogenic and antiestrogenic activity of each of the compounds were determined in the rat, in comparison with 4-hydroxytamoxifen (2).The new compounds had a wide rangeof receptor binding affinities, with that of 3-hydroxytamoxifen (6c), the most strongly bound, approaching that of estradiol.The trans isomers 6a,b were more strongly bound than were the cis isomers 7a,b.Antiestrogenic activity was seen in all compounds except 7b.This was also true for estrogenic activity, except that in 6c this activity was also substantially reduced.Maximal antiestrogenic effectiveness of 6c occurred at a 10-fold greater daily dose (50 μg/rat) than that required for maximal effect of 2.

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