1342-19-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1342-19-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,3,4 and 2 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1342-19:
(6*1)+(5*3)+(4*4)+(3*2)+(2*1)+(1*9)=54
54 % 10 = 4
So 1342-19-4 is a valid CAS Registry Number.
1342-19-4Relevant academic research and scientific papers
Preparation of substituted aminoanthraquinones
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Page/Page column 5, (2008/12/06)
Process for preparing substituted aminoanthraquinones by reacting 1,4-di-hydroxyanthraquinone with amines in the presence of dihydro-1,4-dihydroxyanthraquinone and a boric ester.
