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74820-52-3

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74820-52-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74820-52-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,8,2 and 0 respectively; the second part has 2 digits, 5 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 74820-52:
(7*7)+(6*4)+(5*8)+(4*2)+(3*0)+(2*5)+(1*2)=133
133 % 10 = 3
So 74820-52-3 is a valid CAS Registry Number.

74820-52-3Downstream Products

74820-52-3Relevant articles and documents

Synthesis Using Allylidenedihydropyridines. Part 7. Preparation and Some Reactions of Vinyl-Substituted 2-Aminopyrazolopyridines and 2-Aminoindolizines

Kakehi, Akikazu,Ito, Suketaka,Watanabe, Kozo,Ono, Tadashi,Miyazima, Tomio

, p. 401 - 425 (2007/10/02)

The title compounds were prepared by the intramolecular cyclizations of the 2-allylidene-1,2-dihydropyridine derivatives carrying an alkylamino(methylthio)-methyleneamino or -vinyl group at the 1 position.The possibilities of their transformations into fu

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