18856-89-8 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 18856-89-8 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 1,8,8,5 and 6 respectively; the second part has 2 digits, 8 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 18856-89:
(7*1)+(6*8)+(5*8)+(4*5)+(3*6)+(2*8)+(1*9)=158
158 % 10 = 8
So 18856-89-8 is a valid CAS Registry Number.
18856-89-8Relevant academic research and scientific papers
Oxidation of diethyl N-sulfinylphosphoramidates
Mielniczak, Grazyna,Lopusinski, Andrzej
, p. 530 - 536 (2008/12/22)
It is reported that the diethyl N-sulfinylphosphoramidate (1a) is oxidized with iodoso-and/or iodoxybenzene as well as with organic peroxides, to give diethyl N-sulfonylphosphoramidate (7a). The latter was generated in situ at low temperature and trapped