128753-25-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 128753-25-3 includes 9 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 6 digits, 1,2,8,7,5 and 3 respectively; the second part has 2 digits, 2 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 128753-25:
(8*1)+(7*2)+(6*8)+(5*7)+(4*5)+(3*3)+(2*2)+(1*5)=143
143 % 10 = 3
So 128753-25-3 is a valid CAS Registry Number.
128753-25-3Relevant articles and documents
The synthesis of carboxylic acids via an aldol-grob reaction sequence
Kabalka,Li,Tejedor,Malladi,Gao,Trotman
, p. 2783 - 2787 (1999)
Ketones react with aromatic aldehydes via a tandem Aldol-Grob reaction sequence. The reaction, initiated by boron trifluoride, produces a carboxylic acid fragment and can serve as an alternative to the Baeyer-Villiger reaction.
