253867-17-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 253867-17-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,5,3,8,6 and 7 respectively; the second part has 2 digits, 1 and 7 respectively.
Calculate Digit Verification of CAS Registry Number 253867-17:
(8*2)+(7*5)+(6*3)+(5*8)+(4*6)+(3*7)+(2*1)+(1*7)=163
163 % 10 = 3
So 253867-17-3 is a valid CAS Registry Number.
253867-17-3Relevant articles and documents
Methods for synthesis of substituted tetrahydrofuran compound
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, (2008/06/13)
The invention includes inter alia new methods for preparation of the pharmaceutically active compound 2-(4-fluorophenoxymethyl)-5-(4-N-hydroxyureidyl-1-butynyl)-tetrahydrofuran and precursors thereof.