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3-chloro-4-nitro-1,2-di-(tosylamino)benzene is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

143334-89-8

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143334-89-8 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 143334-89-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,4,3,3,3 and 4 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 143334-89:
(8*1)+(7*4)+(6*3)+(5*3)+(4*3)+(3*4)+(2*8)+(1*9)=118
118 % 10 = 8
So 143334-89-8 is a valid CAS Registry Number.

143334-89-8Relevant academic research and scientific papers

CHEMOSELECTIVITY REVERSALS IN QUINOXALINES: THE REACTION OF 5-CHLORO-6-NITROQUINOXALINE WITH NUCLEOPHILES

Nasielski, J.,Moucheron, C.,Nasielski-Hinkens, R.

, p. 491 - 496 (2007/10/02)

5-Chloro-6-nitroquinoxaline 2, made in six steps from 2,3-dichloronitrobenzene, reacts 1) with piperidine to give 6-nitro-5-piperidinoquinoxaline as the only product; 2) with methoxide to give a 95:5 ratio of 5-methoxy-6-nitro- and 5-chloro-6-methoxyquino

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