557093-72-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 557093-72-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 5,5,7,0,9 and 3 respectively; the second part has 2 digits, 7 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 557093-72:
(8*5)+(7*5)+(6*7)+(5*0)+(4*9)+(3*3)+(2*7)+(1*2)=178
178 % 10 = 8
So 557093-72-8 is a valid CAS Registry Number.
557093-72-8Relevant academic research and scientific papers
Benzocyclodecane derivatives with antitumor activity
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Page/Page column 9, (2010/02/15)
A compound which is a benzocyclodecane of the formula I: wherein: at positions 8-9 and 11-12 independently represents a single or double bond, —R1 is ═O, or —OR7, R7 is H, C1-C7 alkanoyl, benzoyl, Cs
