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1159183-27-3

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1159183-27-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1159183-27-3 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,5,9,1,8 and 3 respectively; the second part has 2 digits, 2 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1159183-27:
(9*1)+(8*1)+(7*5)+(6*9)+(5*1)+(4*8)+(3*3)+(2*2)+(1*7)=163
163 % 10 = 3
So 1159183-27-3 is a valid CAS Registry Number.

1159183-27-3Relevant articles and documents

INTERMEDIATES FOR THE PREPARATION OF (3R, 4S)-1-(4-FLUOROPHENYL)-3-[(3S)-3-(4-FLUOROPHENYL)-3-HYDROXYPROPYL)]-4-(4-HYDROXYPHENYL)-2-AZETIDINONE

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Page/Page column 4-5, (2011/04/14)

A method for the preparation of (S)-alcohol oxazolidides of general formula II, in which PG represents hydrogen or a hydroxyl protecting group, such as trimethylsilyl, tert-butyldimethylsilyl, benzyloxycarbonyl, tert-butoxycarbonyl, benzyl, benzhydryl or

A METHOD OF MANUFACTURING (3R,4S)-L-(4-FLUOROPHENYL)-3-[(3S)-3-(4-FLUOROPHENYL)-3- HYDROXYPROPYL)]-4-(4-HYDROXYPHENYL)-2-AZETIDINONE AND ITS INTERMEDIATES

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Page/Page column 16, (2009/07/03)

A method of manufacturing (3R,4S)-l-(4-fluorophenyl)-3-[(3S)-3-(4-fluorophenyl)-3- hydroxypropyl)]-4-(4-hydroxyphenyl)-2-azetidinone (ezetimibe) of formula I, in which a protected ketone of general formula II, wherein R stands for a protective group, such as benzyloxycarbonyl, tert-butoxycarbonyl, benzhydryl or trityl, is reduced with asymmetrical borane agents in an inert organic solvent in the temperature range of -30 to +40 °C, and finally the obtained protected alcohol of general formula III, wherein R has the same meaning as above, is deprotected by the action of hydro genolytic or acidic agents in an inert organic solvent.

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