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1089733-96-9

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1089733-96-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1089733-96-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,0,8,9,7,3 and 3 respectively; the second part has 2 digits, 9 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 1089733-96:
(9*1)+(8*0)+(7*8)+(6*9)+(5*7)+(4*3)+(3*3)+(2*9)+(1*6)=199
199 % 10 = 9
So 1089733-96-9 is a valid CAS Registry Number.

1089733-96-9Downstream Products

1089733-96-9Relevant articles and documents

A short enantioselective synthesis of (-)-bestatin via l-proline-catalyzed α-amination of an aldehyde

George, Shyla,Suryavanshi, Gurunath S.,Sudalai, Arumugam

scheme or table, p. 6791 - 6793 (2009/04/06)

A short and high yielding enantioselective synthesis of (-)-bestatin, a naturally occurring aminopeptidase inhibitor, is described via l-proline-catalyzed asymmetric α-amination of 3-phenylpropionaldehyde as the key reaction. The methodology also involves a Pd-catalyzed intramolecular cyclization of an allylic acetate giving a trans-oxazoline in a highly diastereoselective manner (dr > 14:1).

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