90844-39-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90844-39-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,8,4 and 4 respectively; the second part has 2 digits, 3 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 90844-39:
(7*9)+(6*0)+(5*8)+(4*4)+(3*4)+(2*3)+(1*9)=146
146 % 10 = 6
So 90844-39-6 is a valid CAS Registry Number.
90844-39-6Relevant academic research and scientific papers
3,6-disubstituted triazolo [3,4-A]phthalazine derivatives
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, (2008/06/13)
The present invention is directed to new 3,6-disubstituted-1,2,4-triazolo[3,4-a]phthalazine derivatives of formula I STR1 wherein R represents phenyl or substituted phenyl, n is 1 or 2, R 1 is an amino group of formula NR 4 R 5, or an alkoxy of cycloalkox