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99686-93-8

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99686-93-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 99686-93-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,9,6,8 and 6 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 99686-93:
(7*9)+(6*9)+(5*6)+(4*8)+(3*6)+(2*9)+(1*3)=218
218 % 10 = 8
So 99686-93-8 is a valid CAS Registry Number.

99686-93-8Relevant articles and documents

Aminolysis of isatin and N-acetyl isatin in acetonitrile and mixed acetonitrile-water solvents

Ibrahim, Mahmoud F.,Al-Karewi, Asma A.A.,Khattab, Sherine N.,Hamed, Ezzat A.,El-Faham, Ayman

, p. 8029 - 8038 (2015/02/19)

The reactions of N-acetyl isatin and N-propionyl isatin with morpholine, piperazine and diethylamine in acetonitrile underwent nucleophilic substitution reactions at the amide linkage with ring opening process to give N-[2-(2-amino-2-oxo-acetyl)phenyl]ace

Palladium-Catalyzed Double Carbonylation of Aryl Halides Affording α-Keto Amides. Applications to Synthesis of Isatin and Quinoline Derivatives

Ozawa, Fumiyuki,Yanagihara, Hisayoshi,Yamamoto, Akio

, p. 415 - 417 (2007/10/02)

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