Building Blocks

1683 Results Found

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Building Blocks (Aliphatic/Aromatic/Heterocyclic/Carbohydrates)

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    Product Name : Poly(4-vinylpyridine) [average Mw ~60,000] | 4-Vinylpyridine homopolymer, 4-Vinylpyridine polymer, Poly(4-pyridylethylene), Poly(p -vinylpyridine) | 25232-41-1

    Code: JC-BB562
    CAS: 25232-41-1
    Chemical Formula: 
    Molecular Weight:
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Poly(4-vinylpyridine) [average Mw ~60,000] | 4-Vinylpyridine homopolymer, 4-Vinylpyridine polymer, Poly(4-pyridylethylene), Poly(p -vinylpyridine) | 25232-41-1is useful as reference Impurity standard.
    Poly(4-vinylpyridine) [average Mw ~60,000] | 4-Vinylpyridine homopolymer, 4-Vinylpyridine polymer, Poly(4-pyridylethylene), Poly(p -vinylpyridine) | 25232-41-1
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    Product Name : benzyl ((3S,3aS,6aS)-5-oxohexahydrofuro[3,2-b]furan-3-yl)carbamate |

    Code: JC-BB561
    CAS: NA
    Chemical Formula:  C14H15NO5
    Molecular Weight: 277.28
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: benzyl ((3S,3aS,6aS)-5-oxohexahydrofuro[3,2-b]furan-3-yl)carbamate | is useful as reference Impurity standard.
    benzyl ((3S,3aS,6aS)-5-oxohexahydrofuro[3,2-b]furan-3-yl)carbamate |
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    Product Name : benzyl (S)-2,2-dimethyl-4-((R)-5-oxo-2,5-dihydrofuran-2-yl)oxazolidine-3-carboxylate |

    Code: JC-BB560
    CAS: NA
    Chemical Formula: C17H19NO5
    Molecular Weight: 317.34
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: benzyl (S)-2,2-dimethyl-4-((R)-5-oxo-2,5-dihydrofuran-2-yl)oxazolidine-3-carboxylate | is useful as reference Impurity standard.
    benzyl (S)-2,2-dimethyl-4-((R)-5-oxo-2,5-dihydrofuran-2-yl)oxazolidine-3-carboxylate |
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    Product Name : ((5-bromo-2-chlorophenyl)(4-ethoxyphenyl) methanone, | 333361-49-2

    Code: JC-BB559
    CAS: 333361-49-2
    Chemical Formula: C₁₄H₁₀BrClO₂
    Molecular Weight: 325.28
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: ((5-bromo-2-chlorophenyl)(4-ethoxyphenyl) methanone, | 333361-49-2is useful as reference Impurity standard.
    ((5-bromo-2-chlorophenyl)(4-ethoxyphenyl) methanone, | 333361-49-2
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    Product Name : 4-Chloro-4-fluorobutyrophenone | 3874-54-2

    Code: JC-BB558
    CAS: 3874-54-2
    Chemical Formula: C10H10ClFO
    Molecular Weight: 200.64
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 4-Chloro-4-fluorobutyrophenone | 3874-54-2is useful as reference Impurity standard.
    4-Chloro-4-fluorobutyrophenone | 3874-54-2
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    Product Name : Benzene-1,2,4-triol ; Hydroxyhydroquinone | 533-73-3

    Code: JC-BB557
    CAS: 533-73-3
    Chemical Formula: C6H3(OH)3
    Molecular Weight: 126.11
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Benzene-1,2,4-triol ; Hydroxyhydroquinone | 533-73-3is useful as reference Impurity standard.
    Benzene-1,2,4-triol ; Hydroxyhydroquinone | 533-73-3
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    Product Name : Methyl azetidine-2-carboxylate hydrochloride | 162698-26-2

    Code: JC-BB556
    CAS: 162698-26-2
    Chemical Formula: C5H10ClNO2
    Molecular Weight: 151.19
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Methyl azetidine-2-carboxylate hydrochloride | 162698-26-2is useful as reference Impurity standard.
    Methyl azetidine-2-carboxylate hydrochloride | 162698-26-2
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    Product Name : 5- Chloroacetylsalicylamide; 5-(2-Chloroacetyl)-2-hydroxybenzamide; 5-(Chloroacetyl)-salicylamide; 5-(Chloroacetyl)-2-hydroxy-benzamide | 33254-88-5

    Code: JC-BB555
    CAS: 33254-88-5
    Chemical Formula: C₉H₈ClNO₃
    Molecular Weight: 213.62
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 5- Chloroacetylsalicylamide; 5-(2-Chloroacetyl)-2-hydroxybenzamide; 5-(Chloroacetyl)-salicylamide; 5-(Chloroacetyl)-2-hydroxy-benzamide | 33254-88-5is useful as reference Impurity standard.
    5- Chloroacetylsalicylamide; 5-(2-Chloroacetyl)-2-hydroxybenzamide; 5-(Chloroacetyl)-salicylamide; 5-(Chloroacetyl)-2-hydroxy-benzamide | 33254-88-5
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    Product Name : Salicylamide ; 2-Hydroxybenzamide | 65-45-2

    Code: JC-BB554
    CAS: 65-45-2
    Chemical Formula: C7H7NO2
    Molecular Weight: 137.138
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:Salicylamide ; 2-Hydroxybenzamide | 65-45-2is useful as reference Impurity standard.
    Application: 
    Salicylamide ; 2-Hydroxybenzamide | 65-45-2
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    Product Name : Sodium Trifluoromethanesulfinate ; Langlois reagent, Trifluoromethanesulfinic acid sodium salt | 2926-29-6

    Code: JC-BB553
    CAS:  2926-29-6
    Chemical Formula: CF3NaO2S
    Molecular Weight: 156.06
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Sodium Trifluoromethanesulfinate ; Langlois reagent, Trifluoromethanesulfinic acid sodium salt | 2926-29-6is useful as reference Impurity standard.
    Sodium Trifluoromethanesulfinate ; Langlois reagent, Trifluoromethanesulfinic acid sodium salt | 2926-29-6
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    Product Name : 4-Hydrazinobenzoic Acid | 619-67-0

    Code: JC-BB552
    CAS: 619-67-0
    Chemical Formula:  C7H8N2O2
    Molecular Weight: 152.15
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 4-Hydrazinobenzoic Acid | 619-67-0is useful as reference Impurity standard.
    4-Hydrazinobenzoic Acid | 619-67-0
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    Product Name : Dihydrocoumarin ;Benzodihydropyrone, 3,4-Dihydro-1-benzopyran-2-one, Hydrocoumarin | 119-84-6

    Code: JC-BB551
    CAS: 119-84-6
    Chemical Formula: C9H8O2
    Molecular Weight: 148.16
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Dihydrocoumarin ;Benzodihydropyrone, 3,4-Dihydro-1-benzopyran-2-one, Hydrocoumarin | 119-84-6is useful as reference Impurity standard.
    Dihydrocoumarin ;Benzodihydropyrone, 3,4-Dihydro-1-benzopyran-2-one, Hydrocoumarin | 119-84-6
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    Product Name : 2-(4-(Aminomethyl)phenoxy)-N,N-dimethylethanamine | 20059-73-8

    Code: JC-BB550
    CAS: 20059-73-8
    Chemical Formula: C₁₁H₁₈N₂O
    Molecular Weight: 194.27
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 2-(4-(Aminomethyl)phenoxy)-N,N-dimethylethanamine | 20059-73-8is useful as reference Impurity standard.
    2-(4-(Aminomethyl)phenoxy)-N,N-dimethylethanamine | 20059-73-8
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    Product Name : Tert-butyl (3R)-1-benzylpiperidin-3-ylcarbamate |454713-13-4

    Code: JC-BB549
    CAS: 454713-13-4
    Chemical Formula: C17H26N2O2
    Molecular Weight:  290.40
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Tert-butyl (3R)-1-benzylpiperidin-3-ylcarbamate |454713-13-4is useful as reference Impurity standard.
    Tert-butyl (3R)-1-benzylpiperidin-3-ylcarbamate |454713-13-4
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    Product Name : Trimethylamine hydrochloride, | Trimethylamine hydrochloride, | 593-81-7

    Code: JC-BB548
    CAS:  593-81-7
    Chemical Formula: C3H9N•HCl
    Molecular Weight:  95.57
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Trimethylamine hydrochloride, | Trimethylamine hydrochloride, | 593-81-7is useful as reference Impurity standard.
    Trimethylamine hydrochloride, | Trimethylamine hydrochloride, | 593-81-7
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    Product Name : Ethyl (S)-(−)-4-bromo-3-hydroxybutyrate ; Ethyl (S)-(−)-4-bromo-3-hydroxybutyrate | 95537-36-3

    Code: JC-BB547
    CAS: 95537-36-3
    Chemical Formula: C6H11BrO3
    Molecular Weight: 211.05
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Ethyl (S)-(−)-4-bromo-3-hydroxybutyrate ; Ethyl (S)-(−)-4-bromo-3-hydroxybutyrate | 95537-36-3 is useful as reference Impurity standard.
    Ethyl (S)-(−)-4-bromo-3-hydroxybutyrate ; Ethyl (S)-(−)-4-bromo-3-hydroxybutyrate | 95537-36-3
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    Product Name : 3,5-Bis(bromomethyl)toluene ; 3,5-Bis(bromomethyl)toluene | 19294-04-3

    Code: JC-BB546
    CAS: 19294-04-3
    Chemical Formula: C9H10Br2
    Molecular Weight: 277.98
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 3,5-Bis(bromomethyl)toluene ; 3,5-Bis(bromomethyl)toluene | 19294-04-3is useful as reference Impurity standard.
    3,5-Bis(bromomethyl)toluene ; 3,5-Bis(bromomethyl)toluene | 19294-04-3
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    Product Name : 5-Methyl-1,3-benzenediacetonitrile | 120511-74-2

    Code: JC-BB545
    CAS: 120511-74-2
    Chemical Formula: C11H10N2
    Molecular Weight: 170.22
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 5-Methyl-1,3-benzenediacetonitrile | 120511-74-2is useful as reference Impurity standard.
    5-Methyl-1,3-benzenediacetonitrile | 120511-74-2
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    Product Name : 2-methyl-4-(3-nitrophenyl)but-3-yn-2-ol,; 2-methyl-4-(3-nitrophenyl)but-3-yn-2-ol,| 33432-52-9

    Code: JC-BB544
    CAS: 33432-52-9
    Chemical Formula: C11H11NO3
    Molecular Weight: 205.21
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:2-methyl-4-(3-nitrophenyl)but-3-yn-2-ol,; 2-methyl-4-(3-nitrophenyl)but-3-yn-2-ol,| 33432-52-9 is useful as reference Impurity standard.
    2-methyl-4-(3-nitrophenyl)but-3-yn-2-ol,; 2-methyl-4-(3-nitrophenyl)but-3-yn-2-ol,| 33432-52-9
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    Product Name : (S)-4-Chloro-1,3-butanediol | 139013-68-6

    Code: JC-BB543
    CAS: 139013-68-6
    Chemical Formula: C4H9ClO2
    Molecular Weight: 124.57
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: (S)-4-Chloro-1,3-butanediol | 139013-68-6is useful as reference Impurity standard.
    (S)-4-Chloro-1,3-butanediol | 139013-68-6
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    Product Name : 5,5-Dimethylhydantoin ; 5,5-Dimethyl-2,4-imidazolidinedione; 4,4-Dimethyl-2,5-dioxoimidazolidine; 5,5-Dimethylhydantoin; DM Hydantoin; DMH; Dantoin 736; Dantoin DMH; Dimethylhydantoin; Fennosurf 300; NSC 8652 | 77-71-4

    Code: JC-BB542
    CAS: 77-71-4
    Chemical Formula:
    Molecular Weight:
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 5,5-Dimethylhydantoin ; 5,5-Dimethyl-2,4-imidazolidinedione; 4,4-Dimethyl-2,5-dioxoimidazolidine; 5,5-Dimethylhydantoin; DM Hydantoin; DMH; Dantoin 736; Dantoin DMH; Dimethylhydantoin; Fennosurf 300; NSC 8652 | 77-71-4is useful as reference Impurity standard.
    5,5-Dimethylhydantoin ; 5,5-Dimethyl-2,4-imidazolidinedione; 4,4-Dimethyl-2,5-dioxoimidazolidine; 5,5-Dimethylhydantoin; DM Hydantoin; DMH; Dantoin 736; Dantoin DMH; Dimethylhydantoin; Fennosurf 300; NSC 8652 | 77-71-4
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    Product Name : Benzethonium Chloride ; Phemerol chloride, (Diisobutylphenoxyethoxyethyl)dimethylbenzylammonium chloride | 121-54-0

    Code: JC-BB541
    CAS: 121-54-0
    Chemical Formula:
    Molecular Weight:
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Benzethonium Chloride ; Phemerol chloride, (Diisobutylphenoxyethoxyethyl)dimethylbenzylammonium chloride | 121-54-0is useful as reference Impurity standard.
    Benzethonium Chloride ; Phemerol chloride, (Diisobutylphenoxyethoxyethyl)dimethylbenzylammonium chloride | 121-54-0
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    Product Name : 4-Aminobenzaldehyde | 556-18-3

    Code: JC-BB540
    CAS:  556-18-3
    Chemical Formula: C7H7NO
    Molecular Weight: 121.14
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 4-Aminobenzaldehyde | 556-18-3 is useful as reference Impurity standard.
    4-Aminobenzaldehyde | 556-18-3
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    Product Name : Diisonicotinoyl Hydrazine ; N,N’-bis(isonicotinoyl)hydrazine | 4329-75-3

    Code: JC-BB539
    CAS: 4329-75-3
    Chemical Formula: C12H10N4O2
    Molecular Weight: 242.23
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Diisonicotinoyl Hydrazine ; N,N'-bis(isonicotinoyl)hydrazine | 4329-75-3is useful as reference Impurity standard.
    Diisonicotinoyl Hydrazine ; N,N'-bis(isonicotinoyl)hydrazine | 4329-75-3
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    Product Name : 2-Amino-3-chlorophenol | 56962-00-6

    Code: JC-BB538
    CAS: 56962-00-6
    Chemical Formula: C6H6ClNO
    Molecular Weight: 143.57
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 2-Amino-3-chlorophenol | 56962-00-6is useful as reference Impurity standard.
    2-Amino-3-chlorophenol | 56962-00-6
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    Product Name : 2-Amino-3-bromophenol, | 116435-77-9

    Code: JC-BB537
    CAS: 116435-77-9
    Chemical Formula: C6H6BrNO
    Molecular Weight: 188.02
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 2-Amino-3-bromophenol, | 116435-77-9is useful as reference Impurity standard.
    2-Amino-3-bromophenol, | 116435-77-9
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    Product Name : 4-Amino-3-bromophenol | 74440-80-5

    Code: JC-BB536
    CAS:  74440-80-5
    Chemical Formula: C6H6BrNO
    Molecular Weight: 188.02
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 4-Amino-3-bromophenol | 74440-80-5 is useful as reference Impurity standard.
    4-Amino-3-bromophenol | 74440-80-5
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    Product Name : 2-Chloro-N-(4′-chloro-5-hydroxy[1,1′-biphenyl]-2-yl)-3-pyridinecarboxamide | 661463-87-2

    Code: JC-BB535
    CAS: 661463-87-2
    Chemical Formula: C₁₈H₁₂Cl₂N₂O₂
    Molecular Weight: 359.21
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 2-Chloro-N-(4'-chloro-5-hydroxy[1,1'-biphenyl]-2-yl)-3-pyridinecarboxamide | 661463-87-2is useful as reference Impurity standard.
    2-Chloro-N-(4'-chloro-5-hydroxy[1,1'-biphenyl]-2-yl)-3-pyridinecarboxamide | 661463-87-2
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    Product Name : 2-Chloro-N-(2-phenylphenyl)pyridine-3-carboxamide | 57841-47-1

    Code: JC-BB534
    CAS: 57841-47-1
    Chemical Formula:  C18H13ClN2O
    Molecular Weight: 308.76
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 2-Chloro-N-(2-phenylphenyl)pyridine-3-carboxamide | 57841-47-1is useful as reference Impurity standard.
    2-Chloro-N-(2-phenylphenyl)pyridine-3-carboxamide | 57841-47-1
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    Product Name : N-(4-chloro-[1,1-biphenyl ; N-(4-chloro-[1,1-biphenyl]-2-yl)-2-hydroxynicotinamide | 1606127-56-3

    Code: JC-BB533
    CAS: 1606127-56-3
    Chemical Formula: C18H13ClN2O2
    Molecular Weight: 324.76
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: N-(4-chloro-[1,1-biphenyl ; N-(4-chloro-[1,1-biphenyl]-2-yl)-2-hydroxynicotinamide | 1606127-56-3 is useful as reference Impurity standard.
    N-(4-chloro-[1,1-biphenyl ; N-(4-chloro-[1,1-biphenyl]-2-yl)-2-hydroxynicotinamide | 1606127-56-3
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    Product Name : 3-Chloro Iminodibenzyl; 3-Chloro-10,11-dihydro-5H-dibenzo[b,f]azepine (CAS: 32943-25-2)

    Code: JC-BB532
    CAS: 32943-25-2
    Chemical Formula: C14H12ClN
    Molecular Weight: 229.71
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Status: Limited Stock ; Contact: sales@drjcrbio.com
    Application: Manufacturer of 3-Chloro Iminodibenzyl; 3-Chloro-10,11-dihydro-5H-dibenzo[b,f]azepine (CAS: 32943-25-2) is useful as reference Impurity standard.
    3-Chloro Iminodibenzyl; 3-Chloro-10,11-dihydro-5H-dibenzo[b,f]azepine (CAS: 32943-25-2)
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    Product Name : 8-Bromooctanoic acid | 8-Bromooctanoic acid | 17696-11-6

    Code: JC-BB531
    CAS: 17696-11-6
    Chemical Formula: C8H15BrO2
    Molecular Weight: 223.11
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:8-Bromooctanoic acid | 8-Bromooctanoic acid | 17696-11-6 is useful as reference Impurity standard.
    8-Bromooctanoic acid | 8-Bromooctanoic acid | 17696-11-6
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    Product Name : Methyl 2-(bromomethyl)-3-nitrobenzoate (CAS: 98475-07-1)

    Code: JC-BB530
    CAS: 98475-07-1
    Chemical Formula: C9H8BrNO4
    Molecular Weight:  274.07
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Status: Limited Stock ; Contact: sales@drjcrbio.com
    Application: Manufacturer of Methyl 2-(bromomethyl)-3-nitrobenzoate (CAS: 98475-07-1) is useful as reference Impurity standard.
    Methyl 2-(bromomethyl)-3-nitrobenzoate (CAS: 98475-07-1)
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