94233-69-9 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 94233-69-9 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 9,4,2,3 and 3 respectively; the second part has 2 digits, 6 and 9 respectively.
Calculate Digit Verification of CAS Registry Number 94233-69:
(7*9)+(6*4)+(5*2)+(4*3)+(3*3)+(2*6)+(1*9)=139
139 % 10 = 9
So 94233-69-9 is a valid CAS Registry Number.
94233-69-9Relevant articles and documents
CONCERNING THE ROLE OF LEWIS ACIDS IN CHELATION CONTROLLED ADDITION TO CHIRAL ALKOXY ALDEHYDES
Reetz, M. T.,Kesseler, K.,Jung, A.
, p. 729 - 732 (2007/10/02)
Chiral α- and β-alkoxy aldehydes react stereoselectively with various C-nucleophiles in th epresence of Lewis acids to provide chelation controlled adducts.
