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C43H28N4O4 is a chemical with a specific purpose. Lookchem provides you with multiple data and supplier information of this chemical.

87444-67-5

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87444-67-5 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 87444-67-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,7,4,4 and 4 respectively; the second part has 2 digits, 6 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 87444-67:
(7*8)+(6*7)+(5*4)+(4*4)+(3*4)+(2*6)+(1*7)=165
165 % 10 = 5
So 87444-67-5 is a valid CAS Registry Number.

87444-67-5Downstream Products

87444-67-5Relevant academic research and scientific papers

Synthesis of Some New Schiff Bases as Acetylcholinesterase Inhibitors

Hajela, Kanchan,Sengupta, Anil K.,Ahmad, Shakeel,Shanker, Kripa

, p. 517 - 518 (2007/10/02)

Bis(4-aminophenyl)methane on condensation with 5-substituted isatins gives 3,3'-bis-2-indolinones (1a-i).These when subjected to Mannich condensation yield 1-aminomethyl-bis-2-indolinone derivatives (2a-h).Almost all the compounds exhibit moderate acetylcholinesterase inhibition.

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