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9-{(4S,5S)-5-[(Z)-(R)-1-(tert-Butyl-diphenyl-silanyloxy)-non-3-enyl]-2,2-dimethyl-[1,3]dioxolan-4-yl}-nona-5,8-diynoic acid methyl ester is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

139723-70-9

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139723-70-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 139723-70-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,9,7,2 and 3 respectively; the second part has 2 digits, 7 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 139723-70:
(8*1)+(7*3)+(6*9)+(5*7)+(4*2)+(3*3)+(2*7)+(1*0)=149
149 % 10 = 9
So 139723-70-9 is a valid CAS Registry Number.

139723-70-9Relevant academic research and scientific papers

Stereoselective Synthesis of 10(S),11(R),12(R)-Trihydroxyeicosa-5(Z),8(Z),14(Z)-Trienoic Acid from D-Mannose

Yadav, J. S.,Chander, Madhavi C.,Reddy, K. Kishta

, p. 135 - 138 (2007/10/02)

A stereoselective synthesis of the title compound, from D-mannose using base induced double elimination of β-alkoxy chloride as key step is described.

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