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217447-50-2

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217447-50-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 217447-50-2 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,1,7,4,4 and 7 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 217447-50:
(8*2)+(7*1)+(6*7)+(5*4)+(4*4)+(3*7)+(2*5)+(1*0)=132
132 % 10 = 2
So 217447-50-2 is a valid CAS Registry Number.

217447-50-2Downstream Products

217447-50-2Relevant articles and documents

Synthesis of (3S,4S)-4-Hydroxy-2,3,4,5-Tetrahydropyridazine-3-Carboxylic Acid, Component of Luzopeptin A.

Greck, Christine,Bischoff, Laurent,Genet, Jean Pierre

, p. 1989 - 1994 (1995)

The enantioselective synthesis of (3S,4S)-4-hydroxy-2,3,4,5-tetrahydropyridazine-3-carboxylic acid 1 is described.The two stereogenic centers in anti relationship are obtained by sequential enantio and chemoselective hydrogenation of β-ketoester in presence of chiral ruthenium catalyst and diastereoselective amination of β-hydroxyester with di t-butylazodicarboxylate.

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