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4771-09-9

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4771-09-9 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4771-09-9 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 4,7,7 and 1 respectively; the second part has 2 digits, 0 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 4771-09:
(6*4)+(5*7)+(4*7)+(3*1)+(2*0)+(1*9)=99
99 % 10 = 9
So 4771-09-9 is a valid CAS Registry Number.

4771-09-9Relevant articles and documents

Gold(I) or silver catalyzed synthesis of α-indolylacrylates

Pirovano, Valentina,Facoetti, Diego,Dell'Acqua, Monica,Della Fontana, Emanuela,Abbiati, Giorgio,Rossi, Elisabetta

supporting information, p. 3812 - 3815 (2013/09/02)

Methyl 2-acetamidoacrylate reacted with various 2-substituted indoles in the presence of catalytic amounts of AgSbF6 or AuPPh 3NTf2 to provide the corresponding methyl 2-(2-substituted-1H-indol-3-yl)acrylates.

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