74231-53-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 74231-53-1 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 7,4,2,3 and 1 respectively; the second part has 2 digits, 5 and 3 respectively.
Calculate Digit Verification of CAS Registry Number 74231-53:
(7*7)+(6*4)+(5*2)+(4*3)+(3*1)+(2*5)+(1*3)=111
111 % 10 = 1
So 74231-53-1 is a valid CAS Registry Number.
74231-53-1Relevant articles and documents
PROCESS FOR THE MANUFACTURE OF HI-6 DIMETHANESULFONATE
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Page/Page column 13, (2008/06/13)
The invention provides a process for the manufacture of Hl 6 dimethanesulfonate comprising contacting an O-protected pyridine aidoxime compound with bis(methylsulphonoxymethyl) ether in a suitable solvent to form an intermediate compound, contacting said