172331-59-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 172331-59-8 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,7,2,3,3 and 1 respectively; the second part has 2 digits, 5 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 172331-59:
(8*1)+(7*7)+(6*2)+(5*3)+(4*3)+(3*1)+(2*5)+(1*9)=118
118 % 10 = 8
So 172331-59-8 is a valid CAS Registry Number.
172331-59-8Relevant articles and documents
Reaktionsverhalten Alkinyl-substituierter Phosphinite und Phosphane am Beispiel von Kupfer(I)-und Silber(I)-Trifluormethansulfonaten
Lang, Heinrich,Weinmann, Markus,Winter, Moritz,Leise, Michael,Imhof, Wolfgang
, p. 69 - 74 (2007/10/03)
The reaction of (R1)(R2)(PhCC)P (1a: R1=2,4,6-t-Bu3C6H2O, R2=NEt2; 1b: R1=Ph, R2=CCPh; 1c: R1=R2=CCPh) with IOSO2CF3> (2: M=Cu, 3: M=Ag) affords
