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1357912-54-9

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1357912-54-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1357912-54-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,3,5,7,9,1 and 2 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1357912-54:
(9*1)+(8*3)+(7*5)+(6*7)+(5*9)+(4*1)+(3*2)+(2*5)+(1*4)=179
179 % 10 = 9
So 1357912-54-9 is a valid CAS Registry Number.

1357912-54-9Downstream Products

1357912-54-9Relevant articles and documents

Asymmetric Synthesis of Trisubstituted Tetrahydrothiophenes via in Situ Generated Chiral Fluoride-Catalyzed Cascade Sulfa-Michael/Aldol Reaction of 1,4-Dithiane-2,5-diol and α,β-Unsaturated Ketones

Duan, Mengying,Liu, Yidong,Ao, Jun,Xue, Lu,Luo, Shilong,Tan, Yu,Qin, Wenling,Song, Choong Eui,Yan, Hailong

supporting information, p. 2298 - 2301 (2017/05/12)

A chiral fluoride-catalyzed asymmetric cascade sulfa-Michael/aldol condensation reaction of 1,4-dithiane-2,5-diol and a series of α,β-unsaturated ketones is described to access chiral trisubstituted tetrahydrothiophene derivatives. The target products, in

Hydrogen-bond-mediated cascade reaction involving chalcones: Facile synthesis of enantioenriched trisubstituted tetrahydrothiophenes

Ling, Jun-Bing,Su, Yu,Zhu, Hai-Liang,Wang, Guan-Yu,Xu, Peng-Fei

supporting information; experimental part, p. 1090 - 1093 (2012/04/04)

A bifunctional squaramide catalyzed sulfa-Michael/aldol cascade reaction between 1,4-dithiane-2,5-diol and chalcones with a low catalyst loading has been developed. Trisubstituted tetrahydrothiophenes with three contiguous stereogenic centers are obtained

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