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(Z)-(2S,3R,8R)-3-(tert-Butyl-diphenyl-silanyloxy)-8-diisopropylsilanyloxy-2-ethyl-9-methylene-2,3,4,7,8,9-hexahydro-oxonine is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

140170-13-4

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140170-13-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 140170-13-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,0,1,7 and 0 respectively; the second part has 2 digits, 1 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 140170-13:
(8*1)+(7*4)+(6*0)+(5*1)+(4*7)+(3*0)+(2*1)+(1*3)=74
74 % 10 = 4
So 140170-13-4 is a valid CAS Registry Number.

140170-13-4Relevant articles and documents

An intramolecular hydrosilation approach to hexahydrooxonins related to obtusenyne. Effect of catalyst and conditions on stereoselectivity

Curtis,Holmes

, p. 675 - 678 (1992)

The intramolecular hydrosilation of the α-dialkylsilyloxy enol ethers 3 and 5 followed by oxidative workup resulted in the diastereoselective synthesis of either the hexahydrooxonin diol 7 or 8 according to the catalyst and conditions employed.

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