89227-16-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89227-16-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,2,2 and 7 respectively; the second part has 2 digits, 1 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 89227-16:
(7*8)+(6*9)+(5*2)+(4*2)+(3*7)+(2*1)+(1*6)=157
157 % 10 = 7
So 89227-16-7 is a valid CAS Registry Number.
89227-16-7Relevant academic research and scientific papers
Naphthoquinone anti-psoriatic agents
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, (2008/06/13)
Psoriasis in mammals is relieved by topically administering substituted naphthoquinone of the formula: STR1 wherein: R3 is halo, linear or branched alkoxy of one to eighteen carbon atoms or --S(O)n R wherein: n is 0, 1 or 2; and R is