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910558-55-3

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910558-55-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 910558-55-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 9,1,0,5,5 and 8 respectively; the second part has 2 digits, 5 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 910558-55:
(8*9)+(7*1)+(6*0)+(5*5)+(4*5)+(3*8)+(2*5)+(1*5)=163
163 % 10 = 3
So 910558-55-3 is a valid CAS Registry Number.

910558-55-3Relevant articles and documents

Total synthesis of (-)- and ent-(+)-vindoline

Choi, Younggi,Ishikawa, Hayato,Velcicky, Juraj,Elliott, Gregory I.,Miller, Michael M.,Boger, Dale L.

, p. 4539 - 4542 (2007/10/03)

(Chemical Equation Presented) Two exceptionally concise total syntheses of (-)- and ent-(+)-vindoline are detailed enlisting a diastereoselective tandem [4 + 2]/[3 + 2] cycloaddition of a 1,3,4-oxadiazole. The unique reaction cascade assembles the fully functionalized pentacyclic ring system of vindoline in a single step that forms four C-C bonds and three rings while introducing all requisite functionality and setting all six stereocenters within the central ring including three contiguous and four total quaternary centers.

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