1534391-69-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1534391-69-9 includes 10 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 7 digits, 1,5,3,4,3,9 and 1 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 1534391-69:
(9*1)+(8*5)+(7*3)+(6*4)+(5*3)+(4*9)+(3*1)+(2*6)+(1*9)=169
169 % 10 = 9
So 1534391-69-9 is a valid CAS Registry Number.
1534391-69-9Relevant academic research and scientific papers
Preparation of 1,2,5,6,9,10-hexaalkoxyhexahelicenes
Schwertel, Manfred,Hillmann, Sabine,Meier, Herbert
, p. 1347 - 1355 (2014/01/06)
1,2,5,6,9,10-Hexaalkoxyhexahelicenes 3 represent [3]star compounds with a helical core. A multistep synthetic concept for 3 is discussed, in which the final step 16→3 is a twofold oxidative photocyclization. The linearly conjugated compounds 16 contain st