67666-90-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 67666-90-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,7,6,6 and 6 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 67666-90:
(7*6)+(6*7)+(5*6)+(4*6)+(3*6)+(2*9)+(1*0)=174
174 % 10 = 4
So 67666-90-4 is a valid CAS Registry Number.
67666-90-4Relevant academic research and scientific papers
Dibenzo [b.f]thiepin and dibenzo[b.f]oxepin derivatives
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, (2008/06/13)
Novel dibenzo[b.f]thiepin and oxepin compounds of the formula and the pharmaceutically acceptable esters and salts thereof, wherein R is hydrogen or methyl; X is oxygen or S(O)n in which n is the integer 0, 1 or 2 and Z is a single or double bo
