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4770-03-0

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4770-03-0 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 4770-03-0 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 0 respectively; the second part has 2 digits, 0 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 4770-03:
(6*4)+(5*7)+(4*7)+(3*0)+(2*0)+(1*3)=90
90 % 10 = 0
So 4770-03-0 is a valid CAS Registry Number.

4770-03-0Relevant articles and documents

Regioselective nitration of 3-acetylindole and its N-acyl and N-sulfonyl derivatives

Ottoni, Olivia,Cruz, Rosimeire,Krammer, Norbert H.

, p. 1117 - 1120 (1999)

3-Acetylindole reacts regioselectively with NO2BF4 in the presence of SnCl4 to produce 3-acetyl-5-nitroindole or 3-acetyl-6-nitroindole, depending on the temperature, both in excellent yields.

A mild and efficient method for the mononitration of aromatic compounds by cerium (III) ammonium nitrate in acetic anhydride

Tanemura, Kiyoshi,Suzuki, Tsuneo,Nishida, Yoko,Satsumabayashi, Koko,Horaguchi, Takaaki

, p. 497 - 499 (2007/10/03)

A mild and efficient method for the mononitration of aromatic and olefinic compounds is described. This method is especially useful for active substrates.

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