93181-81-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 93181-81-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,3,1,8 and 1 respectively; the second part has 2 digits, 8 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 93181-81:
(7*9)+(6*3)+(5*1)+(4*8)+(3*1)+(2*8)+(1*1)=138
138 % 10 = 8
So 93181-81-8 is a valid CAS Registry Number.
InChI:InChI=1/C15H16ClN3O/c16-13-4-2-1-3-12(13)14-5-6-15(18-17-14)19-9-7-11(20)8-10-19/h1-6,11,20H,7-10H2
93181-81-8Relevant articles and documents
Pyridazine and pyrimidine compounds active on the central nervous system as sedatives or anticonvulsants
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, (2008/06/13)
The present invention relates to the compounds of formula STR1 in which X1 represents N or STR2 X2 represents N or STR3 provided that X1 and X2 are different from each other; R1 and R2 bein