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957131-07-6

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957131-07-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 957131-07-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,5,7,1,3 and 1 respectively; the second part has 2 digits, 0 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 957131-07:
(8*9)+(7*5)+(6*7)+(5*1)+(4*3)+(3*1)+(2*0)+(1*7)=176
176 % 10 = 6
So 957131-07-6 is a valid CAS Registry Number.

957131-07-6Downstream Products

957131-07-6Relevant articles and documents

Enzymatic desymmetrization of prochiral 2-substituted-1,3-diamines: Preparation of valuable nitrogenated compounds

Rios-Lombardia, Nicolas,Busto, Eduardo,Garcia-Urdiales, Eduardo,Gotor-Fernandez, Vicente,Gotor, Vicente

body text, p. 2571 - 2574 (2009/07/25)

A wide range of prochiral 1, 3-diamines were first efficiently synthesized and subsequently desymmetrized by using lipase from Pseudomonas cepacia as catalyst and diallyl carbonate as alkoxycarbonylating agent. In all cases, the amino carbamates of R-configuration were recovered. Final selective cleavage of the N-allyloxycarbonyl moiety was carried out under mild reaction conditions, which demonstrates the high versatility and potential of this chemoenzymatic route as a source of intermediates in the synthesis of related optically active nitrogenated derivatives.

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