161719-91-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 161719-91-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,1,7,1 and 9 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 161719-91:
(8*1)+(7*6)+(6*1)+(5*7)+(4*1)+(3*9)+(2*9)+(1*1)=141
141 % 10 = 1
So 161719-91-1 is a valid CAS Registry Number.
161719-91-1Relevant articles and documents
Vinylogous acid derivatives
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Page/Page column 8, (2008/06/13)
The invention is concerned with vinylogous acids derivatives of formula (I) wherein A and R1 to R6 are as defined in the description and in the claims, as well as physiologically acceptable salts thereof. These compounds inhibit chym