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84449-06-9

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84449-06-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 84449-06-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,4,4,4 and 9 respectively; the second part has 2 digits, 0 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 84449-06:
(7*8)+(6*4)+(5*4)+(4*4)+(3*9)+(2*0)+(1*6)=149
149 % 10 = 9
So 84449-06-9 is a valid CAS Registry Number.

84449-06-9Relevant articles and documents

Enantioselective total synthesis of callipeltoside A: two approaches to the macrolactone fragment

Evans, David A.,Burch, Jason D.,Hu, Essa,Jaeschke, Georg

, p. 4671 - 4699 (2008/09/21)

The enantioselective total synthesis of callipeltoside A is described. Two syntheses of the macrolactone subunit are included: the first relies upon an Ireland-Claisen rearrangement to generate the trisubstituted olefin geometry and the second utilizes an enantioselective vinylogous aldol reaction for this purpose. Enantioselective syntheses of the sugar and chlorocyclopropane side chain fragments are also disclosed. The relative and absolute stereochemistry of this natural product was determined by fragment coupling with the two enantiomers of the side chain fragment.

Hetero Diels-Alder vs Electrocyclic Reaction of Azadiene: Selective Synthesis of All Stereoisomers of Threonines

Bongini, Alessandro,Panunzio, Mauro,Bandini, Elisa,Martelli, Giorgio,Spunta, Giuseppe

, p. 8911 - 8913 (2007/10/03)

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γ-Lactam analogues of monocyclic β-lactam antibiotics

Crossley,Crumbie,Fung,et al.

, p. 2883 - 2886 (2007/10/02)

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