65642-19-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 65642-19-5 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,5,6,4 and 2 respectively; the second part has 2 digits, 1 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 65642-19:
(7*6)+(6*5)+(5*6)+(4*4)+(3*2)+(2*1)+(1*9)=135
135 % 10 = 5
So 65642-19-5 is a valid CAS Registry Number.
65642-19-5Relevant academic research and scientific papers
Pyrazolo benzodiazepines
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, (2008/06/13)
Compounds are presented of the formula STR1 wherein R1 is selected from the group consisting of hydrogen, amino, halogen and nitro; R2 is selected from the group consisting of hydrogen, lower alkyl, carboxylic acids, esters and prima
