89435-49-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 89435-49-4 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 8,9,4,3 and 5 respectively; the second part has 2 digits, 4 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 89435-49:
(7*8)+(6*9)+(5*4)+(4*3)+(3*5)+(2*4)+(1*9)=174
174 % 10 = 4
So 89435-49-4 is a valid CAS Registry Number.
89435-49-4Relevant articles and documents
Reagents and synthetic methods. 31. Silylations with N-trimethylsilyl-2-oxazolidinone (TMSO)
Aizpurua, Jesus M.,Palomo, Claudio,Palomo, Antonio L.
, p. 336 - 340 (2007/10/02)
Silylation of ketones, alcohols, mercaptans, and carboxylic acids with N-trimethylsilyl-2-oxazolidinone (TMSO) and triflic acid as catalyst has been described from synthetic and mechanistic points of view.