51489-23-7 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 51489-23-7 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 5,1,4,8 and 9 respectively; the second part has 2 digits, 2 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 51489-23:
(7*5)+(6*1)+(5*4)+(4*8)+(3*9)+(2*2)+(1*3)=127
127 % 10 = 7
So 51489-23-7 is a valid CAS Registry Number.
51489-23-7Relevant articles and documents
'One-Pot' Synthesis of Sulphinic Esters from Disulphides
Brownbridge, Peter,Jowett, Ian C.
, p. 252 - 254 (2007/10/02)
Alkane- and arenesulphinic esters can conveniently be prepared from disulphides and alcohols using N-bromosuccinimide or a combination of 3-chloroperoxybenzoic acid and N-bromosuccinimide.