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2979-57-9

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2979-57-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 2979-57-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 2,9,7 and 9 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 2979-57:
(6*2)+(5*9)+(4*7)+(3*9)+(2*5)+(1*7)=129
129 % 10 = 9
So 2979-57-9 is a valid CAS Registry Number.

2979-57-9Relevant articles and documents

Transesterification of α-amino esters catalyzed by a tetranuclear zinc cluster: Zn4(OCOCF3)6O

Maegawa, Yusuke,Agura, Kazushi,Hayashi, Yukiko,Ohshima, Takashi,Mashima, Kazushi

supporting information; experimental part, p. 137 - 141 (2012/02/03)

Transesterification of amino acid ester derivatives was developed using a tetranuclear zinc cluster, Zn4(OCOCF3)6O, as the catalyst. Because the reaction conditions were very mild, a variety of N-protective groups and functional groups on side chains were tolerated. Georg Thieme Verlag Stuttgart. New York.

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