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245679-91-8

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245679-91-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 245679-91-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,5,6,7 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 245679-91:
(8*2)+(7*4)+(6*5)+(5*6)+(4*7)+(3*9)+(2*9)+(1*1)=178
178 % 10 = 8
So 245679-91-8 is a valid CAS Registry Number.

245679-91-8Downstream Products

245679-91-8Relevant articles and documents

A highly flexible route to 1,2,3,4,5,6-hexahydro-5-hydroxypyrimidin-2-ones as potential HIV protease inhibitors

Enders, Dieter,Wortmann, Lars,Raabe, Gerhard,Duecker, Barbara

, p. 559 - 581 (2007/10/03)

The first asymmetric synthesis of potential HIV protease inhibitors of type II, III and IV is described. Key step of the synthesis is an auxiliary based stereoselective alkylation by means of the (R)-1-amino-2-methoxymethylpyrrolidine (RAMP)- / (S)-1-amino-2-methoxymethylpyrrolidine (SAMP)-hydrazone method starting from a readily available key building block, pyrimidin-2,5-dione (6). The synthesis is short and highly versatile in the choice of the substitution pattern as well as the absolute configuration of the alkylated 1,2,3,4,5,6-Hexahydro-5-hydroxypyrimidin-2-ones.

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