Cas 749922-66-5,C22H21NO5

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Check Digit Verification of cas no

The CAS Registry Mumber 749922-66-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,4,9,9,2 and 2 respectively; the second part has 2 digits, 6 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 749922-66:
(8*7)+(7*4)+(6*9)+(5*9)+(4*2)+(3*2)+(2*6)+(1*6)=215
215 % 10 = 5
So 749922-66-5 is a valid CAS Registry Number.

749922-66-5Upstream product

749922-72-3 (1S,2R,10bS)-2-(tert-butyldimethylsilanyloxy)-1-hydroxy-8,9-dimethoxy-10b-phenylethynyl-1,2,3,5,6,10b-hexahydropyrrolo[2,1-a]isoquinolin-3-one

749922-66-5Downstream Products

1015071-44-9 C₂₂H₂₁NO₆

749922-66-5Relevant academic research and scientific papers

A new route to optically pure highly functionalized tetrahydro-isoquinolines with a quaternary carbon stereocenter

Ka?uza, Zbigniew,Mostowicz, Danuta,Do?ega, Grzegorz,Wójcik, Robert

, p. 2321 - 2328 (2008/09/18)

A facile synthesis of highly substituted, optically pure tetrahydro-isoquinolines with a quaternary carbon stereocenter is described. Glycolic cleavage of 1,2-dihydroxy-hexahydro-pyrrolo-isoquinolines 1 affords a mixture of cyclic hemiacetals, which can b

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