154581-54-1 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 154581-54-1 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,5,4,5,8 and 1 respectively; the second part has 2 digits, 5 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 154581-54:
(8*1)+(7*5)+(6*4)+(5*5)+(4*8)+(3*1)+(2*5)+(1*4)=141
141 % 10 = 1
So 154581-54-1 is a valid CAS Registry Number.
154581-54-1Relevant articles and documents
1-Benzyloxy-3-(p-tolylsulfonyl)alkenes as enal β-anion equivalents. Synthesis of 2,3-disubstituted furans
Craig, Donald,Etheridge, Christopher J.
, p. 7487 - 7488 (2007/10/02)
An efficient three-step method is described for the synthesis of 2,3-disubstituted furans from (p-tolylsulfonyl)alkanes 6 and 2-benzyloxyethanal.
