690662-88-5 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 690662-88-5 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 6,9,0,6,6 and 2 respectively; the second part has 2 digits, 8 and 8 respectively.
Calculate Digit Verification of CAS Registry Number 690662-88:
(8*6)+(7*9)+(6*0)+(5*6)+(4*6)+(3*2)+(2*8)+(1*8)=195
195 % 10 = 5
So 690662-88-5 is a valid CAS Registry Number.
690662-88-5Relevant articles and documents
Synthesis of sulfonyl chlorides of phenylboronic acids
Veds?, Per,Olesen, Preben H.,Hoeg-Jensen, Thomas
, p. 892 - 894 (2007/10/03)
Sulfonyl chlorides of phenylboronic esters have been made available by selective lithiation of bromo N-methyl-diethanolamine phenylboronates to give lithium sulfinyl phenylboronates as intermediates. Oxidations with N-chlorosuccinimide give the target sul
