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1535170-91-2

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1535170-91-2 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 1535170-91-2 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,3,5,1,7 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 1535170-91:
(9*1)+(8*5)+(7*3)+(6*5)+(5*1)+(4*7)+(3*0)+(2*9)+(1*1)=152
152 % 10 = 2
So 1535170-91-2 is a valid CAS Registry Number.

1535170-91-2Relevant articles and documents

POCl3-mediated synthesis of 2-N-arylimino-4-chloro-3- dichloromethylcoumarin and its conversion into 6H-[1]benzopyrano[4,3-b]quinolin- 6-one

Maiti, Sourav,Biswas, Pritam,Ghosh, Jaydip,Bandyopadhyay, Chandrakanta

, p. 1617 - 1623 (2014/01/17)

On heating in POCl3, 2-(N-aryl)aminochromone-3-carbaldehyde produced 2-N-arylimino-4-chloro-3-dichloromethylcoumarin, which undergoes selective acid-catalyzed hydrolysis of its imino function to produce 4-chioro-3-dichloromethylcoumarin. The hy

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