220796-49-6 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 220796-49-6 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,2,0,7,9 and 6 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 220796-49:
(8*2)+(7*2)+(6*0)+(5*7)+(4*9)+(3*6)+(2*4)+(1*9)=136
136 % 10 = 6
So 220796-49-6 is a valid CAS Registry Number.
220796-49-6Relevant articles and documents
Synthesis of the Aromatic Alkylaryl- And Diarylphosphines * Substituted in the Ring
Veits,Karlstedt,Foss,Beletskaya
, p. 525 - 529 (2007/10/03)
The hitherto unknown alkylarylphosphines and tert-butylarylphosphines containing in the aromatic ring both donor and acceptor substituents were synthesized by the cross-coupling reaction of substituted aryl halides with alkyl(trimethylsilyl)phosphines and