1134937-74-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1134937-74-8 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,1,3,4,9,3 and 7 respectively; the second part has 2 digits, 7 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 1134937-74:
(9*1)+(8*1)+(7*3)+(6*4)+(5*9)+(4*3)+(3*7)+(2*7)+(1*4)=158
158 % 10 = 8
So 1134937-74-8 is a valid CAS Registry Number.
1134937-74-8Relevant articles and documents
Synthesis of 4- and 7-quinolinesulfonamides from 4,7-dichloroquinoline
Marciniec, Krzysztof,Maslankiewicz, Andrzej
, p. 93 - 101 (2009)
Action of sodium methanethiolate (in boiling DMF) towards 4,7-dichloroquinoline (1) or 7-chloro-1-methyl-4(1H)-quinolinone (11) occured via chlorine ipso-substitution followed by methanethiolato-S-demethylation to yield dithiolate 1A or thiolate 18A, whic
