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156557-88-9

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156557-88-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 156557-88-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,6,5,5 and 7 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 156557-88:
(8*1)+(7*5)+(6*6)+(5*5)+(4*5)+(3*7)+(2*8)+(1*8)=169
169 % 10 = 9
So 156557-88-9 is a valid CAS Registry Number.

156557-88-9Relevant articles and documents

HYDROXAMATE-BASED INHIBITORS OF DEACETYLASES

-

Page/Page column 41, (2012/03/26)

The present teachings relate to compounds of Formula (I): and pharmaceutically acceptable salts, hydrates, esters, and prodrugs thereof, wherein R1, R2, R3, R4, R5, ring A, and Z are as defined herein

Chemical differentiation of enantiotopic groups: Diastereoselective opening of a prochiral dilactone

Deseke, Eckart,Hoyer, Wolfgang,Winterfeldt, Ekkehard

, p. 14577 - 14598 (2007/10/03)

Prochiral dilactone 1 has been synthesized and subjected to diastereoselective nucleophilic opening. The structural features of chiral, enantiomerically pure nucleophiles have been optimized regarding their capability to perform prochiral recognition at dilactone 1. 3-Ketoglutaric mono acid products 2 of dilactone opening, which are versatile building blocks for natural product synthesis, have been obtained in diastereomeric ratios up to 84:16 and were enriched by subsequent crystallization to 97.5:2.5.

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