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165875-64-9

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165875-64-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 165875-64-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,5,8,7 and 5 respectively; the second part has 2 digits, 6 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 165875-64:
(8*1)+(7*6)+(6*5)+(5*8)+(4*7)+(3*5)+(2*6)+(1*4)=179
179 % 10 = 9
So 165875-64-9 is a valid CAS Registry Number.

165875-64-9Downstream Products

165875-64-9Relevant articles and documents

A new enantioselective synthesis of glycidates via dynamic kinetic resolution of racemic 2-chloro-3-keto esters using chiral Ru (II) complexes

Genet, Jean-Pierre,Cano De Andrade,Ratovelomanana-Vidal

, p. 2063 - 2066 (1995)

2-chloro-3-keto esters were quantitatively hydrogenated to syn and anti 2-chloro-3-hydroxyester by asymmetric hydrogenation with chiral ruthenium (II) catalysts prepared in-situ from (COD)Ru(2-methylallyl)2 in presence of atropisomeric ligands such as MeO-Biphep and Binap, giving enantioselectivity up to 99%, 2-chloro-3-hydroxy esters were treated with different bases to give (E)-and (Z)-2,3-epoxyalkanoates in 65-90% yields with 84-97% ee.

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