Buprenorphine > Impurities > 12

Structure Compound Pricing
N-Methylnorbuprenorphine 3-Methyl Ether
CS-T-57833 > Impurities

Molecular Formula : C27H39NO4   Molecular Weight: 441.6   CAS Number: 16196-70-6
Synonyms : (2S)-2-[(1S,2R,6S,14R,15R,16R)-11,15-dimethoxy-3- methyl-13-oxa-3- azahen-16-yl]-3,3-dimethylbutan-2-ol
Parent API : Buprenorphine
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Buprenorphine Related compound A
CS-O-14104 > Impurities

Molecular Formula : C29H41NO4   Molecular Weight: 467.64   CAS Number: 457071-73-7
Synonyms : Buprenorphine Related compound A;(4R,4aS,6R,7R,7aR,12bS)-3-(but-3-en-1-yl)-6-((S)-2-hydroxy-3,3-dimethylbutan-2-yl)-7-methoxy-1,2,3,4,5,6,7,7a-octahydro-4a,7-ethano-4,12-methanobenzofuro[3,2-e]isoquinolin-9-ol.
Parent API : Buprenorphine
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Buprenorphine EP Impurity C
CS-O-33646 > Impurities

Molecular Formula : C27H36N2O4   Molecular Weight: 452.59   CAS Number: 16614-60-1
Synonyms : (4R,4aS,6R,7R,7aR,12bS)-6-((S)-2-hydroxy-3,3-dimethylbutan-2-yl)-7,9-dimethoxy-1,2,5,6,7,7a-hexahydro-4a,7-ethano-4,12-methanobenzofuro[3,2-e]isoquinoline-3(4H)-carbonitrile; 4,5α-epoxy-7α-[(1S)-1-hydroxy-1,2,2-trimethylpropyl]-3,6- dimethoxy-6α,14-ethano-14α-morphinan-17-carbonitrile; N-Cyano-3-O-methyl Norbuprenorphine
Parent API : Buprenorphine
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Buprenorphine EP Impurity D
CS-O-33647 > Impurities

Molecular Formula : C30H43NO4   Molecular Weight: 481.67   CAS Number: 16524-65-5
Synonyms : (S)-2-((4R,4aS,6R,7R,7aR,12bS)-3-(cyclopropylmethyl)-7,9-dimethoxy-1,2,3,4,5,6,7,7a-octahydro-4a,7-ethano-4,12-methanobenzofuro[3,2-e]isoquinolin-6-yl)-3,3-dimethylbutan-2-ol; (2S)-2-[17-(cyclopropylmethyl)-4,5α-epoxy- 3,6-dimethoxy-6α,14-ethano-14α-morphinan-7α-yl]-3,3- dimethylbutan-2-ol; 3-O-methylbuprenorphine; Buprenorphine 3-O-Methyl Ether
Parent API : Buprenorphine
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Buprenorphine EP Impurity E
CS-O-33648 > Impurities

Molecular Formula : C28H39NO4   Molecular Weight: 453.61   CAS Number: 130668-48-3
Synonyms : (4R,4aS,6R,7R,7aR,12bS)-3-(cyclopropylmethyl)-6-((S)-2-hydroxy-3,3-dimethylbutan-2-yl)-1,2,3,4,5,6,7,7a-octahydro-4a,7-ethano-4,12-methanobenzofuro[3,2-e]isoquinoline-7,9-diol; (2S)-2-[17-(cyclopropylmethyl)-4,5α-epoxy- 3,6-dihydroxy-6α,14-ethano-14α-morphinan-7α-yl]-3,3- dimethylbutan-2-ol; 6-O-desmethylbuprenorphine; 6-O-Desmethyl Buprenorphine
Parent API : Buprenorphine
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Buprenorphine EP Impurity H
CS-O-33651 > Impurities

Molecular Formula : C29H43NO4   Molecular Weight: 469.66   CAS Number: 90387-35-2
Synonyms : (4R,4aS,6R,7R,7aR,12bS)-3-butyl-6-((S)-2-hydroxy-3,3-dimethylbutan-2-yl)-7-methoxy-1,2,3,4,5,6,7,7a-octahydro-4a,7-ethano-4,12-methanobenzofuro[3,2-e]isoquinolin-9-ol; (2S)-2-[17-butyl-4,5α-epoxy-3-hydroxy-6-methoxy-6α,14-ethano-14α-morphinan-7α-yl]-3,3-dimethylbutan-2-ol; N-(3-N-Butyl)norbuprenorphine
Parent API : Buprenorphine
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Buprenorphine EP Impurity F
CS-O-33649 > Impurities

Molecular Formula : C29H39NO3   Molecular Weight: 449.62   CAS Number: 97203-04-8
Synonyms : (4R,4aS,6R,7R,7aR,12bS)-3-(cyclopropylmethyl)-6-(3,3-dimethylbut-1-en-2-yl)-7-methoxy-1,2,3,4,5,6,7,7a-octahydro-4a,7-ethano-4,12-methanobenzofuro[3,2-e]isoquinolin-9-ol; 17-(cyclopropylmethyl)-4,5α-epoxy-6-methoxy-7α-[1-(1,1-dimethylethyl)ethenyl]-6α,14-ethano-14α-morphinan-3-ol; 7-Dehydroxy Buprenorphine
Parent API : Buprenorphine
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Buprenorphine EP Impurity G
CS-O-33650 > Impurities

Molecular Formula : C58H80N2O8   Molecular Weight: 933.26   CAS Number: 163597-04-4
Synonyms : (4R,4'R,5S,5'S,7R,7'R,8R,8'R,9R,9'R,17S,17'S)-3,3'-bis(cyclopropylmethyl)-7,7'-bis((S)-2-hydroxy-3,3-dimethylbutan-2-yl)-8,8'-dimethoxy-2,2',3,3',4,4',6,6',7,7',8,8',9,9',18,18',19,19',20,20'-icosahydro-1H,1'H-[13,13'-bi(4a,7-ethano-4,12-methanobenzofuro[3,2-e]isoquinoline)]-12,12'-diol; 17,17′-di(cyclopropylmethyl)-4,5α;4′,5α′-diepoxy-7α,7α′-di[(1S)-1-hydroxy-1,2,2-trimethylpropyl]-6,6′-dimethoxy-2,2′-bi(6α,14-ethano-14α-orphinan)-3,3′-diol; 2,2′-bibuprenorphine: Pseudo Buprenorphine
Parent API : Buprenorphine
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Buprenorphine EP Impurity I
CS-O-33652 > Impurities

Molecular Formula : C28H37NO3   Molecular Weight: 435.60   CAS Number: 89663-73-0
Synonyms : (4bS,8R,8aS,9aR,12aR,12bR)-7-(cyclopropylmethyl)-10,10,11,11-tetramethyl-6,7,8,9,9a,10,11,12b-octahydro-5H-8a,12a-ethano-4,8-methanobenzofuro[3,2-e]furo[2,3-g]isoquinolin-1-ol; 17-(cyclopropylmethyl)-4″,4″,5″,5″-tetramethyl-4″,5″-dihydro-(7βH)-6α,14-ethano-(5βH)-difurano- [2′,3′,4′,5′:4,12,13,5 ;2″,3″:6,7]-14α-morphinan-3-ol; Buprenorphine Furanyl Impurity
Parent API : Buprenorphine
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3-O-Methyl Norbuprenorphine
CS-O-33654 > Impurities

Molecular Formula : C26H37NO4   Molecular Weight: 427.58   CAS Number: 16614-59-8
Synonyms : (S)-2-((4R,4aS,6R,7R,7aR,12bS)-7,9-dimethoxy-1,2,3,4,5,6,7,7a-octahydro-4a,7-ethano-4,12-methanobenzofuro[3,2-e]isoquinolin-6-yl)-3,3-dimethylbutan-2-ol; (αS,5α,7α)-α-(1,1-Dimethylethyl)-4,5-epoxy-18,19-dihydro-3,6-dimethoxy-α-methyl-6,14-ethenomorphinan-7-methanol; 3-O-Methylnorbuprenorphine; Norbuprenorphine 3-methyl ether
Parent API : Buprenorphine
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Buprenorphine EP Impurity J
CS-O-33653 > Impurities

Molecular Formula : C29H39NO4   Molecular Weight: 465.62   CAS Number: 155203-05-7
Synonyms : (4R,4aR,7R,7aR,12bS,14R)-3-(cyclopropylmethyl)-14-((S)-2-hydroxy-3,3-dimethylbutan-2-yl)-7-methoxy-1,2,3,4,7,7a-hexahydro-7,4a-ethano-4,12-methanobenzofuro[3,2-e]isoquinolin-9-ol; (αS,5α,7α)-17-(Cyclopropylmethyl)-α-(1,1-dimethylethyl)-4,5-epoxy-3-hydroxy-6-methoxy-α-methyl-6,14-ethenomorphinan-7-methanol; 18,19-Dehydrobuprenorphine; HS 599; (2S)-2-[17-(cyclopropylmethyl)-4,5α-epoxy-3-hydroxy-6-methoxy-6α,14-etheno-14α-morphinan-7α-yl]-3,3-dimethylbutan-2-ol.
Parent API : Buprenorphine
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7-(S)-Buprenorphine
CS-O-33656 > Impurities

Molecular Formula : C29H41NO4   Molecular Weight: 467.64   CAS Number: NA
Synonyms : (4R,4aS,6S,7R,7aR,12bS)-3-(cyclopropylmethyl)-6-((S)-2-hydroxy-3,3-dimethylbutan-2-yl)-7-methoxy-1,2,3,4,5,6,7,7a-octahydro-4a,7-ethano-4,12-methanobenzofuro[3,2-e]isoquinolin-9-ol
Parent API : Buprenorphine
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