Nebivolol
28 Results Found
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NebivololAPI Reference standards and its EP Impurities, USP Impurities, non pharmacopeial Impurities, listed below & also offered custom synthesis for unknown Impurities. If require any contact info@drjcrbio.com, sales@drjcrbio.com
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Product Name : N-Nitroso-Nebivolol N,N-bis(2-(6-Flu;orochroman-2-yl)-2-hydroxyethyl)nitrous amide|1391051-68-5
Code: JCNBV-28 CAS: 1391051-68-5 Chemical Formula: C22H24F2N2O5 Molecular Weight: 434.4 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: N-Nitroso-Nebivolol N,N-bis(2-(6-Flu;orochroman-2-yl)-2-hydroxyethyl)nitrous amide|1391051-68-5 is useful as reference Impurity standard. 
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Product Name : Nebivolol EP Impurity D ; (1RS)-1-[(2RS)-6-fluoro-3,4-dihydro-2H-1-benzopyran-2-yl]-2-[[(2SR)-2-[(2SR)-6-fluoro-3,4-dihydro-2H-1-benzopyran-2-yl]-2- hydroxyethyl]amino]ethan-1-ol
Code: JCNBV-27 CAS: NA Chemical Formula: C22H25F2NO4 Molecular Weight: 405.44 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Nebivolol EP Impurity D ; (1RS)-1-[(2RS)-6-fluoro-3,4-dihydro-2H-1-benzopyran-2-yl]-2-[[(2SR)-2-[(2SR)-6-fluoro-3,4-dihydro-2H-1-benzopyran-2-yl]-2- hydroxyethyl]amino]ethan-1-ol is useful as reference Impurity standard. ![Nebivolol EP Impurity D ; (1RS)-1-[(2RS)-6-fluoro-3,4-dihydro-2H-1-benzopyran-2-yl]-2-[[(2SR)-2-[(2SR)-6-fluoro-3,4-dihydro-2H-1-benzopyran-2-yl]-2- hydroxyethyl]amino]ethan-1-ol](https://drjcrbio.com/wp-content/uploads/Nebivolol-EP-Impurity-D.png)
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Product Name : Nebivolol Hydrochloride A-Spot; (+/-)[1S*(S*)]-6-fluoro-3,4-dihydro-2-oxiranyl-2H-1-benzopyran”
Code: JCNBV-26 CAS: NA Chemical Formula: C11H11FO2 Molecular Weight: 194.21 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Nebivolol Hydrochloride A-Spot ;(+/-)[1S*(S*)]-6-fluoro-3,4-dihydro-2-oxiranyl-2H-1-benzopyran" is useful as reference Impurity standard. ![Nebivolol Hydrochloride A-Spot; (+/-)[1S*(S*)]-6-fluoro-3,4-dihydro-2-oxiranyl-2H-1-benzopyran](https://drjcrbio.com/wp-content/uploads/Nebivolol-Hydrochloride-A-Spot.png)
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Product Name : Nebivolol Impurity B (SR,SS) ; [2S-[2R[R[S(R)]]]]-α,α’-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol | 119365-25-2
Code: JCNBV-25 CAS: 119365-25-2 Chemical Formula: C22H25F2NO4 Molecular Weight: 441.90 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Nebivolol Impurity B (SR,SS) ; [2S-[2R[R[S(R)]]]]-α,α'-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol | 119365-25-2 is useful as reference Impurity standard. ![Nebivolol Impurity B (SR,SS) ; [2S-[2R[R[S(R)]]]]-α,α'-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol | 119365-25-2](https://drjcrbio.com/wp-content/uploads/119365-25-2-1.png)
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Product Name : Nebivolol Isomer (S,R,S,S) Synonym: (2S,αR,αS,2S)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol]
Code: JCNBV-24 CAS: NA Chemical Formula: Molecular Weight: Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Nebivolol Isomer (S,R,S,S) Synonym: (2S,αR,αS,2S)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] ; is useful as reference Impurity standard. ![Nebivolol Isomer (S,R,S,S) Synonym: (2S,αR,αS,2S)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol]](https://drjcrbio.com/wp-content/uploads/Nebivolol-Isomer-SRSS-150x75.png)
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Product Name : Nebivolol Isomer (R,S,R,R) Synonym: (2R,αS,αR,2R)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] ;
Code: JCNBV-23 CAS: NA Chemical Formula: Molecular Weight: Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Nebivolol Isomer (R,S,R,R) Synonym: (2R,αS,αR,2R)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] ;is useful as reference Impurity standard. ![Nebivolol Isomer (R,S,R,R) Synonym: (2R,αS,αR,2R)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] ;](https://drjcrbio.com/wp-content/uploads/Nebivolol-Isomer-RSRR-150x73.png)
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Product Name : Nebivolol Isomer (SRSR+RSRS); (2S,αR,αS,2R)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol];(2R,αS,αR,2S)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol]
Code: JCNBV-22 CAS: NA Chemical Formula: Molecular Weight: Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Nebivolol Isomer (SRSR+RSRS); (2S,αR,αS,2R)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol];(2R,αS,αR,2S)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol];is useful as reference Impurity standard. ![Nebivolol Isomer (SRSR+RSRS); (2S,αR,αS,2R)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol];(2R,αS,αR,2S)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol]](https://drjcrbio.com/wp-content/uploads/Nebivolol-Isomer-SRSRRSRS-150x75.png)
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Product Name : Nebivolol Isomer (RSSS+SRRS) ;(2R,αS,αS,2S)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol];(2S,αR,αR,2S)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol]
Code: JCNBV-21 CAS: NA Chemical Formula: Molecular Weight: Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Nebivolol Isomer (RSSS+SRRS) ;(2R,αS,αS,2S)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol];(2S,αR,αR,2S)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol]is useful as reference Impurity standard. ![Nebivolol Isomer (RSSS+SRRS) ;(2R,αS,αS,2S)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol];(2S,αR,αR,2S)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol]](https://drjcrbio.com/wp-content/uploads/Nebivolol-Isomer-RSSSSRRS-150x75.png)
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Product Name : Nebivolol USP RC E ;Monodesfluoro Nebivolol HCl ; 1-(Chroman-2-yl)-2-((2-(6-fluorochroman-2-yl)-2-hydroxyethyl)amino)ethanol hydrochloride ;; 129101-34-4 (base)
Code: JCNBV-20 CAS: 129101-34-4 (base) Chemical Formula: C22H27ClFNO4 Molecular Weight: 423.91 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Nebivolol USP RC E ;Monodesfluoro Nebivolol HCl ; 1-(Chroman-2-yl)-2-((2-(6-fluorochroman-2-yl)-2-hydroxyethyl)amino)ethanol hydrochloride ;; 129101-34-4 (base) ; is useful as reference Impurity standard. 
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Product Name : Nebivolol USP RC D ;Mixture of (R)-6-Fluoro-2-[(S)-oxiran-2-yl]chroman and its enantiomer ; (RS)-6-Fluoro-2-[(SR)-oxiran-2-yl]chroman ; 793669-26-8
Code: JCNBV-19 CAS: 793669-26-8 Chemical Formula: C11H11FO2 Molecular Weight: 194.20 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Nebivolol USP RC D ;Mixture of (R)-6-Fluoro-2-[(S)-oxiran-2-yl]chroman and its enantiomer ; (RS)-6-Fluoro-2-[(SR)-oxiran-2-yl]chroman ; 793669-26-8 ; is useful as reference Impurity standard.
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Product Name : Nebivolol USP RC D (SR)-Isomer ;(S)-6-Fluoro-2-[(R)-oxiran-2-yl]chroman
Code: JCNBV-18 CAS: NA Chemical Formula: C11H11FO2 Molecular Weight: 194.20 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Nebivolol USP RC D (SR)-Isomer ;(S)-6-Fluoro-2-[(R)-oxiran-2-yl]chroman ; is useful as reference Impurity standard.
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Product Name : Nebivolol USP RC D (RS)-Isomer ;(R)-6-Fluoro-2-[(S)-oxiran-2-yl]chroman ;
Code: JCNBV-17 CAS: NA Chemical Formula: C11H11FO2 Molecular Weight: 194.20 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Nebivolol USP RC D (RS)-Isomer ;(R)-6-Fluoro-2-[(S)-oxiran-2-yl]chroman ;is useful as reference Impurity standard.
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Product Name : Nebivolol USP RC C ;Mixture of (R)-6-Fluoro-2-[(R)-oxiran-2-yl]chroman and its enantiomer ; (RS)-6-Fluoro-2-[(RS)-oxiran-2-yl]chroman ;876514-31-7
Code: JCNBV-16 CAS: 876514-31-7 Chemical Formula: C11H11FO2 Molecular Weight: 194.20 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Nebivolol USP RC C ;Mixture of (R)-6-Fluoro-2-[(R)-oxiran-2-yl]chroman and its enantiomer ; (RS)-6-Fluoro-2-[(RS)-oxiran-2-yl]chroman ;876514-31-7 ;is useful as reference Impurity standard.
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Product Name : Nebivolol USP RC C (SS)-Isomer ;(S)-6-Fluoro-2-[(S)-oxiran-2-yl]chroman ;
Code: JCNBV-15 CAS: NA Chemical Formula: C11H11FO2 Molecular Weight: 194.20 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Nebivolol USP RC C (SS)-Isomer ;(S)-6-Fluoro-2-[(S)-oxiran-2-yl]chroman ;is useful as reference Impurity standard.
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Product Name : Nebivolol USP RC C (RR)-Isomer ;(R)-6-Fluoro-2-[(R)-oxiran-2-yl]chroman ;Nebivolol USP RC C (RR)-Isomer ;
Code: JCNBV-14 CAS: NA Chemical Formula: C11H11FO2 Molecular Weight: 194.20 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Nebivolol USP RC C (RR)-Isomer ;(R)-6-Fluoro-2-[(R)-oxiran-2-yl]chroman ;Nebivolol USP RC C (RR)-Isomer ;is useful as reference Impurity standard.
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Product Name : Nebivolol N-Benzyl Impurity ;(αSR,αSR,2RS,2SR)-α,α-[[(Phenylmethyl)imino]bis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol ;
Code: JCNBV-13 CAS: 1199945-26-0 Chemical Formula: C29H31F2NO4 Molecular Weight: 495.56 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Nebivolol N-Benzyl Impurity ;(αSR,αSR,2RS,2SR)-α,α-[[(Phenylmethyl)imino]bis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol ;is useful as reference Impurity standard.
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Product Name : Nebivolol HCl ;α,α’-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] HCl ; 169293-50-9 ;
Code: JCNBV-12 CAS: 169293-50-9 Chemical Formula: Molecular Weight: Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Nebivolol HCl ;α,α’-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] HCl ; 169293-50-9 ;is useful as reference Impurity standard.
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Product Name : Nebivolol Didesfluoro Impurity ;1-(Chroman-2-yl)-2-((2-(chroman-2-yl)-2-hydroxyethyl)amino)ethanol ; 129101-33-3
Code: JCNBV-11 CAS: 129101-33-3 Chemical Formula: C22H27NO4 Molecular Weight: 369.45 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Nebivolol Didesfluoro Impurity ;1-(Chroman-2-yl)-2-((2-(chroman-2-yl)-2-hydroxyethyl)amino)ethanol ; 129101-33-3is useful as reference Impurity standard.
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Product Name : Nebivolol Desfluorochromane N-Benzyl Impurity ; (1SR,2RS)-2-(2-Benzylamino-1-hydroxyethyl)-6-fluorochromane;
Code: JCNBV-10 CAS: 129050-27-7 Chemical Formula: C18H20FNO2 Molecular Weight: 301.36 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Nebivolol Desfluorochromane N-Benzyl Impurity ; (1SR,2RS)-2-(2-Benzylamino-1-hydroxyethyl)-6-fluorochromane;is useful as reference Impurity standard.
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Product Name : Nebivolol 4-Hydroxy Impurity (HCl) ;6-Fluoro-α-[[[2-(6-fluoro-3,4-dihydro-2H-1-benzopyran-2-yl)-2-hydroxyethyl] amino]methyl]-3,4-dihydro-4-hydroxy-2H-1-benzopyran-2-methanol hydrochloride
Code: JCNBV-09 CAS: 178383-76-1 (base) Chemical Formula: C22H26ClF2NO5 Molecular Weight: 457.9 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Nebivolol 4-Hydroxy Impurity (HCl) ;6-Fluoro-α-[[[2-(6-fluoro-3,4-dihydro-2H-1-benzopyran-2-yl)-2-hydroxyethyl] amino]methyl]-3,4-dihydro-4-hydroxy-2H-1-benzopyran-2-methanol hydrochlorideis useful as reference Impurity standard.
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Product Name : Nebivolol (S,S,S,S)-Isomer ;(2S,αS,αS,2S)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] ;
Code: JCNBV-08 CAS: 119365-28-5 (base) ; Chemical Formula: C22H25F2NO4 Molecular Weight: 405.44 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Nebivolol (S,S,S,S)-Isomer ;(2S,αS,αS,2S)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] ;is useful as reference Impurity standard. ![Nebivolol (S,S,S,S)-Isomer ;(2S,αS,αS,2S)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] ;](https://drjcrbio.com/wp-content/uploads/Nebivolol-Isomer-SSSS-150x75.png)
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Product Name : Nebivolol (S,R,R,S)-Isomer ;(2S,αR,αR,2S)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] ; 119365-23-0 ;
Code: JCNBV-07 CAS: 119365-23-0 Chemical Formula: C22H25F2NO4 Molecular Weight: 405.44 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Nebivolol (S,R,R,S)-Isomer ;(2S,αR,αR,2S)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] ; 119365-23-0 ;is useful as reference Impurity standard.
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Product Name : Nebivolol (S,R,R,R)-Isomer ; (2S,αR,αR,2R)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] ;
Code: JCNBV-06 CAS: 213132-06-0 Chemical Formula: C22H25F2NO4 Molecular Weight: 405.44 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Nebivolol (S,R,R,R)-Isomer ; (2S,αR,αR,2R)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] ;is useful as reference Impurity standard. ![Nebivolol (S,R,R,R)-Isomer ; (2S,αR,αR,2R)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] ;](https://drjcrbio.com/wp-content/uploads/213132-06-0-1.png)
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Product Name : Nebivolol (R,S,S,S)-Isomer ; (2R,αS,αS,2S)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] ;920299-33-8
Code: JCNBV-05 CAS: 920299-33-8 Chemical Formula: C22H25F2NO4 Molecular Weight: 405.44 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Nebivolol (R,S,S,S)-Isomer ; (2R,αS,αS,2S)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] ;920299-33-8is useful as reference Impurity standard. ![Nebivolol (R,S,S,S)-Isomer ; (2R,αS,αS,2S)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] ;920299-33-8](https://drjcrbio.com/wp-content/uploads/920299-33-8.png)
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Product Name : Nebivolol (R,S,R,S)-Isomer ;(2R,αS,αR,2S)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] ;119365-24-1
Code: JCNBV-04 CAS: 119365-24-1 Chemical Formula: C22H25F2NO4 Molecular Weight: 405.44 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Nebivolol (R,S,R,S)-Isomer ;(2R,αS,αR,2S)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] ;119365-24-1 is useful as reference Impurity standard. ![Nebivolol (R,S,R,S)-Isomer ;(2R,αS,αR,2S)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] ;119365-24-1](https://drjcrbio.com/wp-content/uploads/119365-24-1.png)
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Product Name : Nebivolol (R,R,S,S)-Isomer ;(2R,αR,αS,2S)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] ;
Code: JCNBV-03 CAS: 1360598-84-0 Chemical Formula: C22H25F2NO4 Molecular Weight: 405.44 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Nebivolol (R,R,S,S)-Isomer ;(2R,αR,αS,2S)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] ;is useful as reference Impurity standard. ![Nebivolol (R,R,S,S)-Isomer ;(2R,αR,αS,2S)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] ;](https://drjcrbio.com/wp-content/uploads/Nebivolol-Isomer-RRSS.png)
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Product Name : Nebivolol (R,R,S,R)-Isomer ;(2R,αR,αS,2R)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] ;920275-20-3
Code: JCNBV-02 CAS: 920275-20-3 Chemical Formula: C22H25F2NO4 Molecular Weight: 405.44 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Nebivolol (R,R,S,R)-Isomer ;(2R,αR,αS,2R)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] ;920275-20-3is useful as reference Impurity standard. ![Nebivolol (R,R,S,R)-Isomer ;(2R,αR,αS,2R)-α,α-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] ;920275-20-3](https://drjcrbio.com/wp-content/uploads/920275-20-3.png)
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Product Name : Nebivolol (R,R,R,R)-Isomer ; (2R,αR,α’R,2’R)-α,α’-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] ;
Code: -JCNBV-01 CAS: Chemical Formula: C22H25F2NO4 Molecular Weight: 405.44 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Nebivolol (R,R,R,R)-Isomer ; (2R,αR,α’R,2’R)-α,α’-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] ;is useful as reference Impurity standard. ![Nebivolol (R,R,R,R)-Isomer ; (2R,αR,α’R,2’R)-α,α’-[Iminobis(methylene)]bis[6-fluoro-3,4-dihydro-2H-1-benzopyran-2-methanol] ;](https://drjcrbio.com/wp-content/uploads/Nebivolol-IsomerRRRR.png)
