Impurity Standards

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Guaifenesin EP Impurity A

Product Code:
DH/GFN/1001
Molecular Formula:
C7H8O2
CAS Number:
90-05-1
Molecular Weight:
124.14
Synonyms: 2-Methoxyphenol


Guaifenesin EP Impurity B

Product Code:
DH/GFN/1002
Molecular Formula:
C10H14O4
CAS Number:
14007-09-1
Molecular Weight:
198.22
Synonyms: 2-(2-Methoxyphenoxy)propane-1,3-diol


Guaifenesin EP Impurity C

Product Code:
DH/GFN/1003
Molecular Formula:
C20H26O7
CAS Number:
1797132-23-0
Molecular Weight:
378.42
Synonyms: 1,1′-Oxybis[3-(2-methoxyphenoxy)propan-2


Guaifenesin EP Impurity D

Product Code:
DH/GFN/1004
Molecular Formula:
C17H20O5
CAS Number:
16929-60-5
Molecular Weight:
304.34
Synonyms: 1,3-Bis(2-Methoxyphenoxy)propan-2-ol


Guanfacine Ethyl Ester Impurity

Product Code:
DH/GFN/1005
Molecular Formula:
C10H10Cl2O2
CAS Number:
NA
Molecular Weight:
233.09
Synonyms: 2,6-Dichlorophenylacetic acid ethyl ester


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