guaifenesin
Guaifenesin is used to try to help with coughing up thick mucous and is sometimes combined with dextromethorphan,an antitussive. It is available as a generic medication and over the counter. Reference standards of Guaifenesin API,and its pharmacopeial, non pharmacopeial impurities, and stable isotopes are listed below.
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Guaifenesin - API Standards
Catalogue No.:PA 07 17000
Molecular Formula : C10H14O4
Molecular Weight : 198.22
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Catalogue No.:PA 07 17020
Molecular Formula : C10H14O4
Molecular Weight : 198.22
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[pname] => Guaifenesin - Impurity C
[catalogue_number] => PA 07 17030
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[weight] => 378.42
[form] => C20H26O7
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Catalogue No.:PA 07 17030
Molecular Formula : C20H26O7
Molecular Weight : 378.42
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[catalogue_number] => PA 07 17040
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[weight] => 304.34
[form] => C17H20O5
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Catalogue No.:PA 07 17040
Molecular Formula : C17H20O5
Molecular Weight : 304.34
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[weight] => 224.21
[form] => C11H12O5
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4-[(2-Methoxyphenoxy)methyl]-1,3-dioxolan-2-one
Catalogue No.:PA 07 17530
Molecular Formula : C11H12O5
Molecular Weight : 224.21
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[pname] => Guaifenesin - Impurity A
[catalogue_number] => PA 07 17010
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[weight] => 124.14
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Catalogue No.:PA 07 17010
Molecular Formula : C7H8O2
Molecular Weight : 124.14
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1-Chloro-3-(2-methoxyphenoxy)-2-propanol
Catalogue No.:PA 07 17510
Molecular Formula : C10H13ClO3
Molecular Weight : 216.66
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Catalogue No.:PA 07 17520
Molecular Formula : C10H13NO4
Molecular Weight : 211.21
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[pname] => rac Guaifenesin-d5
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[weight] => 203.25
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Catalogue No.:PA STI 046090
Molecular Formula : C10H9D5O4
Molecular Weight : 203.25
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rac Guaifenesin-d5 Cyclic Carbonate
Catalogue No.:PA STI 046100
Molecular Formula : C11H7D5O5
Molecular Weight : 229.24
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2-(2-Methoxyphenoxy)-1,3-propanediol-d4
Catalogue No.:PA STI 060110
Molecular Formula : C10H10D4O4
Molecular Weight : 202.24
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3-(2-Methoxyphenoxy) Lactic Acid