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  • Chemical Name:4-Cloromethyl-5-methyl-1,3-dioxol-2-one
  • CAS No.:80841-78-7
  • MF:C5H5ClO3
  • MW:148.54
  • Specification: USP|EP|BP
  • Purity: 98%/99%,GC92%/95%/97%/98% or As customer requestedProduct Categories:Carbonates;Carbonyl Compounds;Pharmaceutical Intermediates
  • Test method: HPLC

4 Cloromethyl 5 methyl 1 3 dioxol 2 one Basic information    

Product Name: 4-Cloromethyl-5-methyl-1,3-dioxol-2-one
Synonyms: DMDO-CL;4-Cloromethyl-5-methyl-1,3-dioxol-2-one;Olmesartan Impurity 57;4-CloroMethyl-5-Methyl-1,3-dioxol-2-one (DMDO-Cl);OlMesartan IMpurity (4-(ChloroMethyl)-5-Methyl-1,3-Dioxol-2-one);4- chloroMethyl-5- Methyl-1,3- two oxygenheterocyclicpentadiene-2- ketone;-5--1,3- two4-chloroMethylMethylcyclopentene-2- ketoneheterocyclic oxygen;4-ChloroMethyl-5-Methyl-l,3-dioxocyclopenten-2–one
CAS: 80841-78-7
MF: C5H5ClO3
MW: 148.54
EINECS: 617-178-6
Product Categories: Carbonates;Carbonyl Compounds;Pharmaceutical Intermediates
Mol File: 80841-78-7.mol

4 Cloromethyl 5 methyl 1 3 dioxol 2 one Chemical Structure


4 Cloromethyl 5 methyl 1 3 dioxol 2 one Chemical Properties    
Boiling point  >90℃/2mm
density  1.362±0.06 g/cm3(Predicted)
refractive index  1.4760-1.4820
Fp  129 °C
BRN  4798926
CAS DataBase Reference 80841-78-7(CAS DataBase Reference)

4 Cloromethyl 5 methyl 1 3 dioxol 2 one Usage And Synthesis

Chemical Properties: Pale Yellow Oil


4-Chloromethyl-5-methyl-1,3-dioxol-2-one is an important reagent in the preparation of angiotensin II receptor antagonist such as Olmesratan Medoxomil (O550000). 4-Chloromethyl-5-methyl-1,3-dioxol-2-o ne is also used in the preparation of prodrugs of ampicillin.

MSDS: MSDS available

COA: COA can be available if you send us inquiry.

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