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78999-59-4

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78999-59-4 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 78999-59-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,8,9,9 and 9 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 78999-59:
(7*7)+(6*8)+(5*9)+(4*9)+(3*9)+(2*5)+(1*9)=224
224 % 10 = 4
So 78999-59-4 is a valid CAS Registry Number.

78999-59-4Downstream Products

78999-59-4Relevant articles and documents

Novel Reaction of Uracil Derivatives Possessing Electron-withdrawing Groups at the 5-Position with Amines: Exchange Reaction between the N1-Portion of Uracils and Amines

Hirota, Kosaku,Kitade, Yukio,Sajiki, Hironao,Maki, Yoshifumi,Yogo, Motoi

, p. 367 - 373 (2007/10/02)

The reaction of 1,3-disubstituted uracils possessing an electron-withdrawing group such as nitro, carbamoyl, and cyano at 5-position with primary amines resulted in the exchange of the N1-portion of the uracil ring with the amine moiety.The exchange reactions were influenced by the nature of substituents at the 5- and N1-position.The reaction sequence is explained in terms of addition, ring-opening, and ring-closure.

Ring transformation of uracil derivatives with nucleophiles

Hirota, Kosaku,Kitade, Yukio,Sajiki, Hironao,Maki, Yoshifumi

, p. 205 (2007/10/02)

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