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Fexofenadine hydrochloride intermediate
[Chemical Name]: 2-[4-[4-[4-(Hydroxydiphenylmethyl)-1-piperidinyl]-1-oxobutyl]phenyl]-2,2-dimethylacetic acid methyl ester
[Synonyms]: Methyl4-[4-[4-(hydroxydiphenylmethyl)-1-piperidinyl]-1-oxobutyl]-a,a-dimethylbenzeneacetate
[Structure]:

[Formula]: C33H39NO4
[Molecular Weight]: 513.67
[CAS RN]: 154477-55-1
[Density]: 1.132 g/cm3
[Specification]:
| Appearance |
White to off-white crystalline powder |
| Water |
4.0%max |
| m-Isomer |
1.5%max |
| Assay |
95.0%min |
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