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128300-30-1

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128300-30-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 128300-30-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,3,0 and 0 respectively; the second part has 2 digits, 3 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 128300-30:
(8*1)+(7*2)+(6*8)+(5*3)+(4*0)+(3*0)+(2*3)+(1*0)=91
91 % 10 = 1
So 128300-30-1 is a valid CAS Registry Number.

128300-30-1Relevant articles and documents

Design and application of hybrid phosphorus ligands for enantioselective Rh-Catalyzed anti-markovnikov hydroformylation of unfunctionalized 1,1-disubstituted Alkenes

You, Cai,Li, Shuailong,Li, Xiuxiu,Lan, Jialing,Yang, Yuhong,Chung, Lung Wa,Lv, Hui,Zhang, Xumu

supporting information, p. 4977 - 4981 (2018/04/24)

A series of novel hybrid phosphorus ligands were designed and applied to the Rh-catalyzed enantioselective anti-Markovnikov hydroformylation of unfunctionalized 1,1-disubstituted alkenes. By employing the new catalyst, linear aldehydes with β-chirality can be prepared with high yields and enantioselectivities under mild conditions. Furthermore, catalyst loading as low as 0.05 mol % furnished the desired product in good yield and undiminished selectivity, demonstrating the efficiency of this transformation in large-scale synthesis.

Baker's yeast mediated enantioselective synthesis of the bisabolene sesquiterpenes (+)-epijuvabione and (-)-juvabione

Fuganti, Claudio,Serra, Stefano

, p. 97 - 102 (2007/10/03)

Fermenting baker's yeast converts the unsaturated aldehydes 7 and 11 into the saturated alcohols 8 and 12, respectively. The microbial saturation of the double bond proceeds in high chemical yields and the stereoselectivity of the reduction is strongly influenced by the E:Z ratio of the substrate. Enantiopure 8 and 12 are chiral building blocks for the synthesis of bisabolene sesquiterpenes and their usefulness is shown in the preparation of (+)-epijuvabione 1 and (-)-juvabione 3.

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