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1333084-19-7

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1333084-19-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1333084-19-7 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,3,3,0,8 and 4 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1333084-19:
(9*1)+(8*3)+(7*3)+(6*3)+(5*0)+(4*8)+(3*4)+(2*1)+(1*9)=127
127 % 10 = 7
So 1333084-19-7 is a valid CAS Registry Number.

1333084-19-7Relevant articles and documents

A refined synthesis of enantiomerically pure 2-aminocyclobutanecarboxylic acids

Declerck, Valerie,Aitken, David J.

, p. 587 - 595 (2012/06/04)

The synthesis of enantiomerically pure 2-aminocyclobutanecarboxylic acids has been refined to improve both the efficiency and the simplicity. These improvements provide a shorter and easier access to the racemic cis-cyclobutane β-amino acid core. Derivatization of this material with a chiral non-racemic oxazolidin-2-one allows easy diastereoisomeric separation and presents the advantage of allowing the non-destructive cleavage of the chiral auxiliary either by hydrolysis or by ammonolysis, thus providing an efficacious access to N-protected derivatives of all four stereoisomers of Boc-2-aminocyclobutanecarboxylic acid.

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