125078-05-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 125078-05-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,5,0,7 and 8 respectively; the second part has 2 digits, 0 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 125078-05:
(8*1)+(7*2)+(6*5)+(5*0)+(4*7)+(3*8)+(2*0)+(1*5)=109
109 % 10 = 9
So 125078-05-9 is a valid CAS Registry Number.
125078-05-9Relevant articles and documents
Attempts toward synthesis of 2,6-Bis(2-furyl)-4-phenylpyrylium Tetrafluoroborate
Reichardt, Christian,Milart, Pjotr
, p. 401 - 402 (2007/10/02)
An improved synthesis of the 1,5-diketone 3 is reported.Ring closure of 3 with triphenylcarbenium tetrafluoroborate leads only to a mixture of the pyrylium salts 4 and 5.
