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167357-22-4

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167357-22-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 167357-22-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,7,3,5 and 7 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 167357-22:
(8*1)+(7*6)+(6*7)+(5*3)+(4*5)+(3*7)+(2*2)+(1*2)=154
154 % 10 = 4
So 167357-22-4 is a valid CAS Registry Number.

167357-22-4Relevant articles and documents

Asymmetric Aldol Type Reactions of Acetate Imide Enolates

Yan, Tu-Hsin,Hung, An-Wei,Lee, Hui-Chun,Chang, Chii-Shin,Liu, Wen-Hung

, p. 3301 - 3306 (1995)

Titanium-mediated chelation-controlled aldol type reactions of acetate thioimide with representative aldehydes proceed with high ?-facial differentiation.An investigation of the influence of the nature of the imide enolate ligands and the Lewis acids in t

An Unusual Enantioselective Aldol Type Reaction of Acetate Boryl Enolate Derived from Chiral Thioimide

Yan, Tu-Hsin,Hung, An-Wei,Lee, Hui-Chun,Chang, Chii-Shin

, p. 8187 - 8191 (2007/10/02)

The camphor-derived N-acetyloxazolidinethione has been used to effect enantioselective aldol type reactions of the derived 9-BBN enolate with a variety of aldehydes.Mechanistically, the observed facial selectivity is best explained by a boatlike transitio

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