28975-45-3 Usage
Check Digit Verification of cas no
The CAS Registry Mumber 28975-45-3 includes 8 digits separated into 3 groups by hyphens. The first part of the number,starting from the left, has 5 digits, 2,8,9,7 and 5 respectively; the second part has 2 digits, 4 and 5 respectively.
Calculate Digit Verification of CAS Registry Number 28975-45:
(7*2)+(6*8)+(5*9)+(4*7)+(3*5)+(2*4)+(1*5)=163
163 % 10 = 3
So 28975-45-3 is a valid CAS Registry Number.
28975-45-3Relevant articles and documents
Synthesis of 1-Acyl-2-alkylcyclopropanecarboxylic Esters from 2-Alkenylphosphonium Salts
Jacoby, D.,Celerier, J. P.,Petit, H.,Lhommet, G.
, p. 301 - 304 (2007/10/02)
The one-pot reaction of allyltriphenylphosphonium bromide with the sodium salts of β-keto esters leads to the formation of alkyl 1-acyl-2-alkylcyclopropanecarboxylates.