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109720-50-5

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109720-50-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 109720-50-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,9,7,2 and 0 respectively; the second part has 2 digits, 5 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 109720-50:
(8*1)+(7*0)+(6*9)+(5*7)+(4*2)+(3*0)+(2*5)+(1*0)=115
115 % 10 = 5
So 109720-50-5 is a valid CAS Registry Number.

109720-50-5Downstream Products

109720-50-5Relevant articles and documents

Transformations of 1-phenethyl-1,2,3,6-tetrahydropyridines in the presence of trifluoromethanesulfonic acid

Shadrikova, Vera A.,Popov, Alexander S.,Termelyova, Maria V.,Baimuratov, Marat R.,Klimochkin, Yuri N.

, p. 909 - 914 (2020/08/26)

[Figure not available: see fulltext.] 1-Phenethyl-1,2,3,6-tetrahydropyridines undergo intramolecular Friedel–Crafts reaction in trifluoromethanesulfonic acid medium, resulting in the formation of azatricyclic structures. It was shown that the direction of

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