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74575-22-7

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74575-22-7 Usage

Check Digit Verification of cas no

The CAS Registry Mumber 74575-22-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,5,7 and 5 respectively; the second part has 2 digits, 2 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 74575-22:
(7*7)+(6*4)+(5*5)+(4*7)+(3*5)+(2*2)+(1*2)=147
147 % 10 = 7
So 74575-22-7 is a valid CAS Registry Number.

74575-22-7Relevant articles and documents

From 2,3-, 2,6-, 3,4- and 4,6-dichloroquinolines to isomeric chloroquinolinesulfonyl chlorides

Marciniec, Krzysztof,Maslankiewicz, Andrzej

experimental part, p. 305 - 316 (2010/08/20)

The action of sodium methanethiolate (in boiling DMF) on x,y-dichloroquinolines (1) (x=3 or 6, y=2 or 4) occured via chlorine ipso-substitution followed by methanethiolato-S-demethylation to yield x,y-quinolinedithiolates 2A which were: i) subjected to S-

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