Originchem Co., Ltd.--Bromnaltrexone Impurity A|1027638-96-5

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Bromnaltrexone Impurity A

CAS NO.	1027638-96-5
Molecular formula	C₂₁H₂₄NO₄Br
Molecular weight	434.33
Specification	Enterprise Standard
Structural formula
Remark	This product is a standard for chromatographic peak positioning in the US Pharmacopoeia, and bromine naltrexone contains 0.1% bromine naltrexone impurity A: (17RS)-17-(Cyclopropylmethyl)-4,5α-epoxy-3,14-dihydroxy-17-methyl-6-oxomorphinan-7-enium bromide