126921-78-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 126921-78-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,6,9,2 and 1 respectively; the second part has 2 digits, 7 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 126921-78:
(8*1)+(7*2)+(6*6)+(5*9)+(4*2)+(3*1)+(2*7)+(1*8)=136
136 % 10 = 6
So 126921-78-6 is a valid CAS Registry Number.
126921-78-6Relevant articles and documents
A New Convenient Synthesis of 2-Aryl- and 2-Heteroaryloxazolopyridines
Flouzant, Christine,Guillaumet, Gerald
, p. 64 - 66 (2007/10/02)
Several 2-aryl- and 2-heteroaryloxazolopyridines were synthesized in high yields from 3-(arylcarbonylamino)-2-chloropyridines by heating in the presence of trimethylsilylpolyphosphate ester.