108159-93-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 108159-93-9 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,0,8,1,5 and 9 respectively; the second part has 2 digits, 9 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 108159-93:
(8*1)+(7*0)+(6*8)+(5*1)+(4*5)+(3*9)+(2*9)+(1*3)=129
129 % 10 = 9
So 108159-93-9 is a valid CAS Registry Number.
108159-93-9Relevant articles and documents
A Simple Route to 2,4-Bisiminothietanes
Bestmann, Hans Juergen,Siegel, Bernd,Schmid, Guenter
, p. 1529 - 1530 (2007/10/02)
N-Substituted keteniminylidenetriphenylphosphoranes react with isothiocyanates in a cycloaddition to form the four-membered ring phosphonium ylides.These yield the previously unknown arylidene-2,4-bisiminothietanes with aromatic aldehydes.