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3a(1H)-Pentalenecarboxylic acid, 2,3,4,6a-tetrahydro-6-methyl-3-oxo-5-(phenylthio)-, methyl ester, cis- is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

89951-99-5

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89951-99-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 89951-99-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,9,5 and 1 respectively; the second part has 2 digits, 9 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 89951-99:
(7*8)+(6*9)+(5*9)+(4*5)+(3*1)+(2*9)+(1*9)=205
205 % 10 = 5
So 89951-99-5 is a valid CAS Registry Number.

89951-99-5Relevant academic research and scientific papers

SYNTHESIS OF A HIGHLY FUNCTIONALISED BICYCLOOCTANE

Hewson, Alan T.,MacPerson, David T.

, p. 5807 - 5808 (1983)

The bicyclooctanes 4 and 5 are prepared by making use of vinyl phosphonium salts, and 4 is used in formal total syntheses of chrysomelidial and loganin.

Total Synthesis of Cyclopentanoid Natural Products

Hewson, Alan T.,MacPherson, David T.

, p. 2625 - 2636 (2007/10/02)

The highly functionalised bicyclooctanes (5) and (6) have been prepared by a sequence involving intramolecular Wittig reactions of the diketo ester (9) with vinyl phosphonium salts (3) and (4).Compounds (5) and (6) have then been used as starting m

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