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40358-58-5

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40358-58-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 40358-58-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 4,0,3,5 and 8 respectively; the second part has 2 digits, 5 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 40358-58:
(7*4)+(6*0)+(5*3)+(4*5)+(3*8)+(2*5)+(1*8)=105
105 % 10 = 5
So 40358-58-5 is a valid CAS Registry Number.

40358-58-5Relevant articles and documents

Asymmetric hydrogenation of 2-arylated cycloalkanones through dynamic kinetic resolution

Ohkuma, Takeshi,Li, Jing,Noyori, Ryoji

, p. 1383 - 1386 (2004)

Asymmetric hydrogenation of 2-arylcycloalkanones with trans-RuCl 2(binap)(1,2-diamine) and t-C4H9OK in 2-propanol selectively gives the corresponding cis-2-arylcycloalkanols in excellent enantiomeric purity and high yield.

Lewis acid-mediated selective chlorinations of silyl enolate

Zhang, Yanhua,Shibatomi, Kazutaka,Yamamoto, Hisashi

, p. 15038 - 15039 (2007/10/03)

A new method involving efficient, widely applicable, and highly selective α-chlorination of simple silyl enolate with Lewis acid and an α,α-dichloro-1,3-dicarbonyl controller unit was reported. Diastereoselectivity and enantioselectivity of the reaction were investigated. High reactivity and selectivity were achieved by using α,α-dichlorinated malonic ester. Copyright

Preparation of Enantiomerically Pure trans- and cis-2-(1-Naphthyl)cyclohexan-1-ols

Takahashi, Michiyasu,Ogasawara, Kunio

, p. 1617 - 1620 (2007/10/02)

Lipase-mediated treatment of racemic trans-2-(1-naphthyl)cyclohexan-1-ol with vinyl acetate allows clear-cut enantiospecific kinetic acetylation to give (+)-(1R,2S)-acetate in excellent chemical and enantiomeric excesses leaving (+)-(1S,2R)-alcohol in an

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