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767288-57-3

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767288-57-3 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 767288-57-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 7,6,7,2,8 and 8 respectively; the second part has 2 digits, 5 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 767288-57:
(8*7)+(7*6)+(6*7)+(5*2)+(4*8)+(3*8)+(2*5)+(1*7)=223
223 % 10 = 3
So 767288-57-3 is a valid CAS Registry Number.

767288-57-3Downstream Products

767288-57-3Relevant articles and documents

Synthesis of 3-substituted indazoles and benzoisoxazoles via Pd-catalyzed cyclization reactions: application to the synthesis of nigellicine

Inamoto, Kiyofumi,Katsuno, Mika,Yoshino, Takashi,Arai, Yukari,Hiroya, Kou,Sakamoto, Takao

, p. 2695 - 2711 (2007/10/03)

Syntheses of 3-substituted indazoles and benzoisoxazoles were efficiently accomplished with the aid of Pd-catalyzed intramolecular carbon-nitrogen and carbon-oxygen bond formations. The catalyst system described herein allows the cyclization to proceed under very mild conditions and thus could be applied to a wide range of substrates with acid- or base-sensitive functional groups. A total synthesis for the indazole ring-containing natural product nigellicine is also described.

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