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143423-39-6

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143423-39-6 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143423-39-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,4,2 and 3 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 143423-39:
(8*1)+(7*4)+(6*3)+(5*4)+(4*2)+(3*3)+(2*3)+(1*9)=106
106 % 10 = 6
So 143423-39-6 is a valid CAS Registry Number.

143423-39-6Relevant articles and documents

An improved synthesis of (-)-dodecahydro-3a,6,6,9a-tetramethylnaphtho[2,1-b]furan via ozonolysis of (-)-sclareol

Barton,Taylor,Tse

, p. 9505 - 9508 (2007/10/02)

Ozonolysis of (-)-sclareol 1 under a wide range of experimental conditions has been investigated. The addition of one of the following; sodium periodate, sodium iodate, iodine or potassium iodide affords after workup the methyl-ketone 2 in excellent yield. Further elaboration of 2 afforded the title compound 4 in high yield.

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