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213250-65-8

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213250-65-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 213250-65-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,3,2,5 and 0 respectively; the second part has 2 digits, 6 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 213250-65:
(8*2)+(7*1)+(6*3)+(5*2)+(4*5)+(3*0)+(2*6)+(1*5)=88
88 % 10 = 8
So 213250-65-8 is a valid CAS Registry Number.

213250-65-8Relevant articles and documents

New 1alpha,25-dihydroxy-19-norvitamin D3 compounds of high biological activity: synthesis and biological evaluation of 2-hydroxymethyl, 2-methyl, and 2-methylene analogues.

Sicinski,Prahl,Smith,DeLuca

, p. 4662 - 4674 (1998)

New highly active isomers of the natural hormone 1alpha, 25-dihydroxyvitamin D3 possessing an exomethylene group at the 2-position were prepared in a convergent manner, starting with (-)-quinic acid and the corresponding (20R)- and (20S)-25-hydroxy Grundm

2-ALKYLIDENE-19-NOR-VITAMIN D DERIVATIVES FOR THE TREATMENT OF OSTEOGENESIS IMPERFECTA

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Page/Page column 28; 29; 39; 40, (2010/11/08)

The present invention relates to the treatment of ostogenesis imperfecta by adminstering to a patient in need thereof a 2-alkylidene-19-nor-vitamin D derivative, optionally with a bisphosphonate. Particularly, the present invention relates to the treatmen

2-alkylidene-19-nor-vitamin D derivatives for the treatment of hypogonadism or andropause

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Page/Page column 9, (2008/06/13)

The present invention relates to methods of treating hypogonadism or andropause, the methods comprising administering to a patient in need thereof a 2-alkylidene-19-nor-vitamin D derivative. Particularly, the present invention relates to methods of treati

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