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58824-55-8

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58824-55-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 58824-55-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,8,8,2 and 4 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 58824-55:
(7*5)+(6*8)+(5*8)+(4*2)+(3*4)+(2*5)+(1*5)=158
158 % 10 = 8
So 58824-55-8 is a valid CAS Registry Number.

58824-55-8Relevant articles and documents

Iridium-Catalyzed Asymmetric Allylic Alkylation of Deconjugated Butyrolactams

Mitra, Sankash,Mukherjee, Santanu

, p. 3021 - 3026 (2021)

Compared with the ever-growing list of nonprochiral nucleophiles in Ir-catalyzed asymmetric allylic substitution reactions, prochiral nucleophiles are less studied. We present a new prochiral nucleophile, namely, deconjugated butyrolactam, for Ir-catalyze

Highly efficient kinetic resolution of aryl-alkenyl alcohols by ru-catalyzed hydrogen transfer

Jin, Ming Yu,Tao, Guanyu,Xing, Xiangyou,You, Yipeng

supporting information, (2021/12/24)

No matter through asymmetric reduction of ketones or kinetic resolution of secondary alcohols, enantioselective synthesis of the corresponding secondary alcohols is challenging when the two groups attached to the prochiral or chiral centers are spatially

Ketone Reductase Biocatalysis in the Synthesis of Chiral Intermediates Toward Generic Active Pharmaceutical Ingredients

Forsyth, Sian M.,Moseley, Jonathan D.,Raynbird, Marina Y.,Sampson, Joanne B.,Smith, Dan A.,Wells, Andrew S.

supporting information, (2020/06/29)

A range of generic active pharmaceutical ingredients were examined for potential chiral alcohol motifs and derivatives within their structures that could be employed as key synthetic intermediates. For seven generic active pharmaceutical ingredients (APIs), eight precursor ketones were acquired and then subjected to reduction by >400 commercially available ketone reductases from different suppliers. Positive screening results were achieved for five ketones screened, with multiple ketone reductases available for each successful ketone. Selectivity was typically >99.5% ee in most cases, including for the opposite enantiomer. The three best examples were then optimized and quickly scaled up to 1 L scale in high conversion and isolated yield while retaining selectivity of >99.5% ee for the desired chiral alcohol enantiomer. This work illustrates that where a wide range of enzymes are available, productive enzymes to give either alcohol enantiomer can be readily identified for many ketones and rapidly scaled up to produce chiral alcohols. This approach is particularly applicable to generating chiral API intermediates.

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