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1526941-25-2

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1526941-25-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1526941-25-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,2,6,9,4 and 1 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1526941-25:
(9*1)+(8*5)+(7*2)+(6*6)+(5*9)+(4*4)+(3*1)+(2*2)+(1*5)=172
172 % 10 = 2
So 1526941-25-2 is a valid CAS Registry Number.

1526941-25-2Upstream product

1526941-25-2Downstream Products

1526941-25-2Relevant academic research and scientific papers

Catalytic enantioselective allylic amination of olefins for the synthesis of ent -sitagliptin

Bao, Hongli,Bayeh, Liela,Tambar, Uttam

, p. 2459 - 2463 (2013)

The presence of nitrogen atoms in most chiral pharmaceutical drugs has motivated the development of numerous strategies for the synthesis of enantiomerically enriched amines. Current methods are based on multistep transformations of functionalized allylic electrophiles to form chiral allylic amines. The enantioselective allylic amination of nonactivated olefins would represent a more direct and more attractive strategy. We report the enantio selective synthesis of ent-sitagliptin through an allylic amination of a nonactivated terminal olefin. Georg Thieme Verlag Stuttgart, New York.

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