116672-20-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 116672-20-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,1,6,6,7 and 2 respectively; the second part has 2 digits, 2 and 0 respectively.
Calculate Digit Verification of CAS Registry Number 116672-20:
(8*1)+(7*1)+(6*6)+(5*6)+(4*7)+(3*2)+(2*2)+(1*0)=119
119 % 10 = 9
So 116672-20-9 is a valid CAS Registry Number.
116672-20-9Relevant academic research and scientific papers
UEBER DAS SYNTHESEPOTENTIAL TRIFLUORMETHYL-SUBSTITUIERTER ZINN-HETEROCYCLEN
Burger, Klaus,Geith, Klaus,Sewald, Norbert
, p. 105 - 122 (2007/10/02)
4,4-Bis(trifluoromethyl) substituted heterodienes of type (F3C)2C=N-C(R1)=X (X = O, S, NR2) react with tin(II) compounds to give cycloadducts.The cycloaddition process causes an 'Umpolung' at the carbon
