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20904-57-8

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20904-57-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 20904-57-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,9,0 and 4 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 20904-57:
(7*2)+(6*0)+(5*9)+(4*0)+(3*4)+(2*5)+(1*7)=88
88 % 10 = 8
So 20904-57-8 is a valid CAS Registry Number.

20904-57-8Relevant articles and documents

NOVEL COMPOUND, PREPARATION METHOD THEREOF, AND USE THEREOF

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Paragraph 411-415, (2021/07/24)

The present invention relates to a method for preparing a biomaterial having selectively functionalized tyrosine, a biomaterial having selectively functionalized tyrosine, and a pharmaceutical composition containing the same as an active ingredient. The method for preparing a biomaterial to which a compound represented by formula 2 is coupled, of the present invention, allows the compound represented by formula 2 to be selectively coupled, in a high yield in a biomaterial, to tyrosine, which is present on the surface of an aqueous solution such that the coupling thereof to amino acids other than tyrosine does not occur and, when only one tyrosine is present, heterogeneous mixtures are not present and the inherent activity of the biomaterial is maintained, and thus the compound can be effectively used as a pharmaceutical composition containing a biomaterial drug as an active ingredient. In addition, the method can selectively functionalize tyrosine, and thus can be effectively used for tyrosine functionalization in a biomaterial.

SALTS OF INHIBITORS OF HISTONE DEACETYLASE FOR THE TREATMENT OF DISEASE

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Page/Page column 45, (2008/12/06)

Disclosed herein are salts of carbonyl compounds as inhibitors of histone deacetylase (HDAC), useful in treating disease states including cancers, autoimmune diseases, tissue damage, central nervous system disorders, neurodegenerative disorders, fibrosis,

Pyridiniums as potential synthetic substitutes for nitrogen mustards

Katritzky,Burgess,Patel

, p. 741 - 745 (2007/10/02)

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