1277186-90-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1277186-90-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,2,7,7,1,8 and 6 respectively; the second part has 2 digits, 9 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 1277186-90:
(9*1)+(8*2)+(7*7)+(6*7)+(5*1)+(4*8)+(3*6)+(2*9)+(1*0)=189
189 % 10 = 9
So 1277186-90-9 is a valid CAS Registry Number.
1277186-90-9Relevant academic research and scientific papers
Synthesis of new indolyl benzodiazepines and thier DNA cleavage and antimicrobial activities
Biradar,Parveen,Sasidhar,Praveen
, p. 181 - 182 (2013/09/23)
2,5-Disubstituted indole aldehydes (1b) were reacted with substituted acetophenones (2a-e) in presence of base to yield the respective chalcones (3a-e). Chalcones were then reacted with substituted orthophenylenediamines to obtain title compounds (4a-e).