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910559-34-1

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910559-34-1 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 910559-34-1 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 9 respectively; the second part has 2 digits, 3 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 910559-34:
(8*9)+(7*1)+(6*0)+(5*5)+(4*5)+(3*9)+(2*3)+(1*4)=161
161 % 10 = 1
So 910559-34-1 is a valid CAS Registry Number.

910559-34-1Relevant 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 (2005)

(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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