20690-61-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 20690-61-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,0,6,9 and 0 respectively; the second part has 2 digits, 6 and 1 respectively.
Calculate Digit Verification of CAS Registry Number 20690-61:
(7*2)+(6*0)+(5*6)+(4*9)+(3*0)+(2*6)+(1*1)=93
93 % 10 = 3
So 20690-61-3 is a valid CAS Registry Number.
InChI:InChI=1/C14H26O2/c1-3-5-6-7-8-9-10-11-12-13-16-14(15)4-2/h4H,2-3,5-13H2,1H3
20690-61-3Relevant articles and documents
Triphenylphosphine-catalysed conversion of maleic anhydride into acrylate esters
Adair, Gareth R. A.,Edwards, Michael G.,Williams, Jonathan M. J.
, p. 5523 - 5525 (2003)
Maleic anhydride has been converted into a range of acrylate esters on treatment with a suitable alcohol using triphenylphosphine as a catalyst.