66548-98-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 66548-98-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,6,5,4 and 8 respectively; the second part has 2 digits, 9 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 66548-98:
(7*6)+(6*6)+(5*5)+(4*4)+(3*8)+(2*9)+(1*8)=169
169 % 10 = 9
So 66548-98-9 is a valid CAS Registry Number.
66548-98-9Relevant articles and documents
1-(Pyridazinyl)pyrazoline derivatives
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, (2008/06/13)
Described are compounds of the formula STR1 wherein R1, R2 and R3 independently of one another denote hydrogen or loweralkyl, X is hydroxy or amino, and Y is hydrogen, loweralkyl, loweralkoxy, benzyl or STR2 wherein W and