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(βS,4S)-β,2,3-trimethyl-1,3-dioxolane-4-ethanol p-toluenesulfonate is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

74243-90-6

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74243-90-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74243-90-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,2,4 and 3 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 74243-90:
(7*7)+(6*4)+(5*2)+(4*4)+(3*3)+(2*9)+(1*0)=126
126 % 10 = 6
So 74243-90-6 is a valid CAS Registry Number.

74243-90-6Relevant academic research and scientific papers

Formal total synthesis of (-)-5,6-dihydrocineromycine B

Reddy, G. Venkateswar,Kumar, R. Sateesh Chandra,Siva,Babu, K. Suresh,Rao, J. Madhusudana

, p. 2677 - 2681 (2013/01/15)

An efficient and highly convergent formal total synthesis of the 14-membered macrolide (-)-5,6-dihydrocineromycine B is achieved. Key reaction sequences include a Sharpless asymmetric epoxidation followed by esterification for the formation of a fully functionalized acyclic precursor, Corey-Bakshi-Shibata reduction, and ring-closing metathesis, respectively. Georg Thieme Verlag KG Stuttgart · New York.

Total Synthesis of Ionophore Antibiotic X-14547A

Nicolaou, K. C.,Papahatjis, D. P.,Claremon, D. A.,Magolda, R. L.,Dolle, R. E.

, p. 1440 - 1456 (2007/10/02)

A highly stereocontrolled and convergent total synthesis of optically active ionophore antibiotic X-14547A (1) was designed and carried out.Degradative reactions led to the key intermediates 3 and 6, which served as convenient comparison stages.The tetrah

Stereoselective synthesis of optically active forms of δ-multistriatin, the attractant for european populations of the smaller european elm bark beet

Mori, Kenji,Iwasawa, Hiroko

, p. 87 - 90 (2007/10/02)

A stereoselective synthesis of highly optically pure enantiomers of δ-multistriatin [(1S,2S,4S,5R)-2,4-dimethyl-5-ethyl-6, 8-dioxabicyclo[3.2.1)octane and its antipode] was accomplished starting from tartaric acid enantiomers.

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