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909570-85-0

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909570-85-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 909570-85-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,0,9,5,7 and 0 respectively; the second part has 2 digits, 8 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 909570-85:
(8*9)+(7*0)+(6*9)+(5*5)+(4*7)+(3*0)+(2*8)+(1*5)=200
200 % 10 = 0
So 909570-85-0 is a valid CAS Registry Number.

909570-85-0Relevant articles and documents

Total synthesis of (R)-(+)-goniothalamin and (R)-(+)-goniothalamin oxide: first application of the sulfoxide-modified Julia olefination in total synthesis

Pospí?il, Ji?í,Markó, István E.

, p. 5933 - 5937 (2006)

A short and efficient synthesis of (R)-(+)-goniothalamin 1 and (R)-(+)-goniothalamin oxide 2 is described. During this approach, the sulfoxide-modified Julia olefination was used as a key step to connect aldehyde 5 to sulfoxide 6. The desired styryl-containing adduct is obtained in good yield and with excellent E/Z selectivity.

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