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1206975-97-4

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1206975-97-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1206975-97-4 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,0,6,9,7 and 5 respectively; the second part has 2 digits, 9 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 1206975-97:
(9*1)+(8*2)+(7*0)+(6*6)+(5*9)+(4*7)+(3*5)+(2*9)+(1*7)=174
174 % 10 = 4
So 1206975-97-4 is a valid CAS Registry Number.

1206975-97-4Relevant academic research and scientific papers

Synthetic study of matrine-type alkaloids: Stereoselective construction of the AB rings of the quinolizidine skeleton

Tsukano, Chihiro,Oimura, Atsuko,Enkhtaivan, Iderbat,Takemoto, Yoshiji

, p. 653 - 656 (2014)

A new method has been developed for the stereoselective construction of the AB rings of the quinolizidine skeleton of ?matrine-type alkaloids with a cis-cis stereochemistry. The key features of this method involve: (i)? construction of the quinolizidine by reduction of an acylpyridinium cation; and (ii)? late-stage introduction of methoxypyridine by sequential Stille coupling and diastereo?selective hydrogenation reactions. Georg Thieme Verlag Stuttgart. New York.

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