133220-91-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 133220-91-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,3,2,2 and 0 respectively; the second part has 2 digits, 9 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 133220-91:
(8*1)+(7*3)+(6*3)+(5*2)+(4*2)+(3*0)+(2*9)+(1*1)=84
84 % 10 = 4
So 133220-91-4 is a valid CAS Registry Number.
133220-91-4Relevant articles and documents
Derivatives of 1-phenyl 1,4-dihydro 3-amino 4-oxo pyridazines, their preparation and their use in therapy
-
, (2008/06/13)
The present invention relates to derivatives of 1-phenyl 1,4-dihydro 3-amino 4-oxo pyridazines of the general formula I: STR1 and the production thereof. It also concerns pharmaceutical compositions comprising as active principle a compound of general for