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321164-87-8

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321164-87-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 321164-87-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 3,2,1,1,6 and 4 respectively; the second part has 2 digits, 8 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 321164-87:
(8*3)+(7*2)+(6*1)+(5*1)+(4*6)+(3*4)+(2*8)+(1*7)=108
108 % 10 = 8
So 321164-87-8 is a valid CAS Registry Number.

321164-87-8Relevant articles and documents

A synthetic approach to 3-hydroxy 4-substituted carboxylic acids based on the stereoselective reduction of 1-trimethylsilyl-1-alkyn-3-ones

Alemany, Carme,Bach, Jordi,Garcia, Jordi,López, Marta,Rodríguez, Ana B.

, p. 9305 - 9312 (2007/10/03)

The oxazaborolidine-mediated reduction of chiral, 4-substituted 1-trimethylsilyl-1-alkyn-3-ones followed by hydroboration affords syn or anti 3-hydroxy 4-substituted carboxylic acids, common substructures of a number of biologically active macrolides, peptides and depsipeptides, with high control on the new C(3) stereocenter. This strategy has been applied to the synthesis of (3S,4S)-3-hydroxy-4-methylheptanoic acid and of N-Boc-statine, constituents of permentin A and pepstatin, respectively. (C) 2000 Elsevier Science Ltd.

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