1746-75-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 1746-75-4 includes 7 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 4 digits, 1,7,4 and 6 respectively; the second part has 2 digits, 7 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 1746-75:
(6*1)+(5*7)+(4*4)+(3*6)+(2*7)+(1*5)=94
94 % 10 = 4
So 1746-75-4 is a valid CAS Registry Number.
1746-75-4Relevant articles and documents
A convenient method for the preparation of N-aryl and N-alkyl-O-methyl hydroxylamines
Santos,Lobo,Prabhakar
, p. 3509 - 3518 (2007/10/03)
Trifluoroaceto or p-nitrobenzo-N-substituted hydroxamic acids are smoothly methylated with diazomethane and the products cleanly cleaved by hydrazine to provide the title compounds.
