187031-44-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 187031-44-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,8,7,0,3 and 1 respectively; the second part has 2 digits, 4 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 187031-44:
(8*1)+(7*8)+(6*7)+(5*0)+(4*3)+(3*1)+(2*4)+(1*4)=133
133 % 10 = 3
So 187031-44-3 is a valid CAS Registry Number.
187031-44-3Relevant articles and documents
Benzylpiperazine derivative
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, (2008/06/13)
This invention provides a benzylpiperazine derivative of formula (I) and a pharmacologically acceptable salt thereof STR1 wherein R1 represents a pyridine ring or a group of either formula (IV) or formula (V); R2 represents hydrogen