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143838-10-2

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143838-10-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143838-10-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,8,3 and 8 respectively; the second part has 2 digits, 1 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 143838-10:
(8*1)+(7*4)+(6*3)+(5*8)+(4*3)+(3*8)+(2*1)+(1*0)=132
132 % 10 = 2
So 143838-10-2 is a valid CAS Registry Number.

143838-10-2Relevant articles and documents

Method for synthesis of C2-symmetric diamino diol mediated by titanium complexes

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Page/Page column 5, (2008/06/13)

A method for synthesis of C2-symmetric diamino diol mediated by titanium complexes is provided. A substituted-L-phenylalaninal undergoes pinacol coupling to yield the corresponding C2-symmetric (1S,2R,3R,4S)-1,4-diamino 2,3-diol in the presence of Cp2TiCl2/ZnCl2 and zinc metal, mediated in good yield and highly selective. This titanium-catalyzed reaction yields diaminodiol, offering a convenient alternative method to the synthesis of C2-symmetric peptidic protease inhibitors. Consequently, the method allows to synthesize TL-3 via titanium complex in moderate yield.

Pharmaceutical composition

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, (2008/06/13)

A solid pharmaceutical composition is disclosed which comprises a pharmaceutically acceptable adsorbent or a mixture of pharmaceutically acceptable adsorbents to which is adsorbed a mixture of (1) a pharmaceutically acceptable organic solvent or a mixture of pharmaceutically acceptable organic solvents, (2) an HIV protease inhibiting compound and (3) one or more pharmaceutically acceptable acids. The solid composition can optionally be encapsulated in a hard gelatin capsule.

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