131792-40-0 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 131792-40-0 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,3,1,7,9 and 2 respectively; the second part has 2 digits, 4 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 131792-40:
(8*1)+(7*3)+(6*1)+(5*7)+(4*9)+(3*2)+(2*4)+(1*0)=120
120 % 10 = 0
So 131792-40-0 is a valid CAS Registry Number.
131792-40-0Relevant articles and documents
2,2-Bis(trifluoromethyl)ethylene-1,1-dicarbonitrile as a Unique Enophile
Huisgen, Rolf,Brueckner, Reinhard
, p. 1679 - 1681 (1991)
The title compound (BTF) is the only known electrophilic ethylene derivative which undergoes ene reactions with unactivated alkenes at room temperature.The allylic hydrogen is transferred either to the CF3- or the CN-bearing carbon of BTF, depending on th
