69753-56-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 69753-56-6 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 6,9,7,5 and 3 respectively; the second part has 2 digits, 5 and 6 respectively.
Calculate Digit Verification of CAS Registry Number 69753-56:
(7*6)+(6*9)+(5*7)+(4*5)+(3*3)+(2*5)+(1*6)=176
176 % 10 = 6
So 69753-56-6 is a valid CAS Registry Number.
69753-56-6Relevant articles and documents
Direct: N -formylation of nitroarenes with CO2
Shen, Ni,Zhai, Shi-Jing,Cheung, Chi Wai,Ma, Jun-An
, p. 9620 - 9623 (2020)
Herein we describe a straightforward N-formylation of nitroarenes with CO2 to access N-aryl formamides exclusively in the presence of iron and hydrosilane as additives. This protocol showcases a good tolerance of a wide range of nitroarenes and nitroheteroarenes.