1639461-49-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1639461-49-6 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,6,3,9,4,6 and 1 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1639461-49:
(9*1)+(8*6)+(7*3)+(6*9)+(5*4)+(4*6)+(3*1)+(2*4)+(1*9)=196
196 % 10 = 6
So 1639461-49-6 is a valid CAS Registry Number.
1639461-49-6Relevant articles and documents
Synthesis and characterization of benzochromeno[2,3-b]tetrahydroquinolinone derivatives
Han, Guang-Fan,Wang, Ming,Jin, Yan,Chen, Li-Zhuang
, p. 648 - 655 (2014/06/10)
We report on a novel method for the preparation of a new series of benzochromeno[2,3-b]tetrahydroquinolin-1-one derivatives. The title compounds are prepared by the 5-substituted-1,3 -cyclohexanedione and 3-amino-1-aryl-1H- benzo[f]chromene-2-carbonitrile
