249757-84-4 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 249757-84-4 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 2,4,9,7,5 and 7 respectively; the second part has 2 digits, 8 and 4 respectively.
Calculate Digit Verification of CAS Registry Number 249757-84:
(8*2)+(7*4)+(6*9)+(5*7)+(4*5)+(3*7)+(2*8)+(1*4)=194
194 % 10 = 4
So 249757-84-4 is a valid CAS Registry Number.
249757-84-4Relevant academic research and scientific papers
Radical-based asymmetric synthesis: an iterative approach to 1, 3, 5, ... (2n + 1) polyols.
Garner,Anderson
, p. 1057 - 1059 (2008/02/09)
[formula: see text] A conceptually novel approach to 1, 3, 5, ... (2n + 1) polyols based on iterative stereo-controlled homologation of chiral hydroxyalkyl radicals is reported. Starting from alpha-keto ester precursors, the general sequence of (1) ketone
