169458-93-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 169458-93-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,6,9,4,5 and 8 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 169458-93:
(8*1)+(7*6)+(6*9)+(5*4)+(4*5)+(3*8)+(2*9)+(1*3)=189
189 % 10 = 9
So 169458-93-9 is a valid CAS Registry Number.
169458-93-9Relevant articles and documents
Piperazine derivatives
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, (2008/06/13)
A piperazine compound of the formula: STR1 wherein: X is carbonyl or sulfonyl; Y is a direct bond or lower alkylene; and R1, R2, R3, R4 are as defined herein. The compounds are advantageously used as Tachykinin antagonists in the treatment of respiratory diseases, ophthalmic diseases and inflammatory diseases, for example.