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1280563-33-8

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1280563-33-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1280563-33-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,8,0,5,6 and 3 respectively; the second part has 2 digits, 3 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 1280563-33:
(9*1)+(8*2)+(7*8)+(6*0)+(5*5)+(4*6)+(3*3)+(2*3)+(1*3)=148
148 % 10 = 8
So 1280563-33-8 is a valid CAS Registry Number.

1280563-33-8Relevant articles and documents

Cu-Catalyzed Oxidation of C2 and C3 Alkyl-Substituted Indole via Acyl Nitroso Reagents

Zhang, Jun,Torabi Kohlbouni, Saeedeh,Borhan, Babak

, p. 14 - 17 (2019/01/08)

The selective oxidation of C2-alkyl-substituted indoles to 3-oxindole and the selective C-H oxygenation or amination of C2,C3-dialkyl-substituted indoles at C2 are reported under mild conditions. The position of the alkyl substitution on the indole directs the reaction to different pathways under similar conditions.

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