90842-12-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 90842-12-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,0,8,4 and 2 respectively; the second part has 2 digits, 1 and 2 respectively.
Calculate Digit Verification of CAS Registry Number 90842-12:
(7*9)+(6*0)+(5*8)+(4*4)+(3*2)+(2*1)+(1*2)=129
129 % 10 = 9
So 90842-12-9 is a valid CAS Registry Number.
90842-12-9Relevant articles and documents
Use of N-oxide compounds in coupling reactions
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Page/Page column 14; 24, (2008/12/05)
Metal-catalyzed coupling process comprising reacting a compound of general formula 1 with a compound A-X, to obtain a compound of general formula 2, which may further be converted to a compound of general formula 3