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765922-56-3

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765922-56-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 765922-56-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,6,5,9,2 and 2 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 765922-56:
(8*7)+(7*6)+(6*5)+(5*9)+(4*2)+(3*2)+(2*5)+(1*6)=203
203 % 10 = 3
So 765922-56-3 is a valid CAS Registry Number.

765922-56-3Relevant articles and documents

3-AMINO-3-ARYLPROPIONIC ACID n-ALKYL ESTERS, PROCESS FOR PRODUCTION THEREOF, AND PROCESS FOR PRODUCTION OF OPTICALLY ACTIVE 3-AMINO-3-ARYLPROPIONIC ACIDS AND ESTERS OF THE ANTIPODES THERETO

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Page/Page column 46, (2008/06/13)

The present invention is to provide an n-alkyl 3-amino-3-arylpropionate represented by the formula (I): wherein Ar1 represents an aryl group which may have a substituent(s), provided that a phenyl group and 4-methoxyphenyl group are excluded, R1 represents an n-propyl group or an n-butyl group, and a process for preparing the same, and its optically active compound and an optically active (S or R)-3-amino-3-arylpropionic acid represented by the formula (III-a): wherein Ar represents an aryl group which may have a substituent(s), and * represents an asymmetric carbon, and a process for preparing an optically active n-alkyl (R or S)-3-amino-3-arylpropionate represented by the formula (IV-a): wherein Ar and R1 have the same meanings as defined above, * represents an asymmetric carbon, provided that it has a reverse absolute configuration to the compound of the formula (III-a).

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