Building Blocks

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Building Blocks (Aliphatic/Aromatic/Heterocyclic/Carbohydrates)

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    Product Name : Androstenedione Impurity; Δ4-Androstene-3,17-dione (CAS: 63-05-8)

    Code: JCBB1686
    CAS: 63-05-8
    Chemical Formula: C19H26O2
    Molecular Weight: 286.41
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Status: Limited Stock;  Contact: sales@drjcrbio.com
    Application: Manufacturer of Androstenedione Impurity; Δ4-Androstene-3,17-dione (CAS: 63-05-8)  is useful as reference Impurity standard.
    Androstenedione Impurity; Δ4-Androstene-3,17-dione (CAS: 63-05-8)
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    Product Name : 2,4,5-Trifluorobenzyl cyanide (CAS: 220141-74-2)

    Code: JCBB1685
    CAS: 220141-74-2
    Chemical Formula: C8H4F3N
    Molecular Weight: 171.12
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Status: Limited Stock;  Contact: sales@drjcrbio.com
    Application: Manufacturer of 2,4,5-Trifluorobenzyl cyanide (CAS: 220141-74-2)is useful as reference Impurity standard.
    2,4,5-Trifluorobenzyl cyanide (CAS: 220141-74-2)
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    Product Name : 9-Acetyl adenine; 1-(6-Amino-9H-purin-9-yl)ethan-1-one (CAS: 6743-09-5)

    Code: JCBB1684
    CAS: 6743-09-5
    Chemical Formula: C7H7N5O
    Molecular Weight: 177.2
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Status: Synthesis (1-2 weeks);  Contact: sales@drjcrbio.com
    Application: Manufacturer of 9-Acetyl adenine; 1-(6-Amino-9H-purin-9-yl)ethan-1-one (CAS: 6743-09-5) is useful as reference Impurity standard
    9-Acetyl adenine; 1-(6-Amino-9H-purin-9-yl)ethan-1-one (CAS: 6743-09-5)
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    Product Name : Ethyl 2,6-difluorobenzoate/19064-14-3

    Code: JCBB1683
    CAS: 19064-14-3
    Chemical Formula: C9H8F2O2
    Molecular Weight: 186.16
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Ethyl 2,6-difluorobenzoate/19064-14-3 is useful as reference Impurity standard
    Ethyl 2,6-difluorobenzoate/19064-14-3
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    Product Name : 2,6-Difluorobenzonitrile/1897-52-5

    Code: JCBB1682
    CAS: 1897-52-5
    Chemical Formula: C7H3F2N
    Molecular Weight: 139.10
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 2,6-Difluorobenzonitrile/1897-52-5 is useful as reference Impurity standard
    2,6-Difluorobenzonitrile/1897-52-5
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    Product Name : 2-bromo-5-tert-butylaniline;2-bromo-5-tert-butylbenzenamine;2-BroMo-5-tert-butyl-phenylaMine;2-bromo-5-(tert-butyl)benzeneamine;Benzenamin;2-bromo-5-(1,1-dimethylethyl)/58164-14-0

    Code: JCBB1681
    CAS: 58164-14-0
    Chemical Formula:C10H14BrN
    Molecular Weight: 228.13
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 2-bromo-5-(1,1-dimethylethyl)/58164-14-0 is useful as reference Impurity standard
    2-bromo-5-tert-butylaniline;2-bromo-5-tert-butylbenzenamine;2-BroMo-5-tert-butyl-phenylaMine;2-bromo-5-(tert-butyl)benzeneamine;Benzenamin;2-bromo-5-(1,1-dimethylethyl)/58164-14-0
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    Product Name : 2-Methylthio-4-pyrimidinol/5751-20-2

    Code: JCBB1680
    CAS: 5751-20-2
    Chemical Formula: C5H6N2OS
    Molecular Weight:  142.18 
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 2-Methylthio-4-pyrimidinol/5751-20-2  is useful as reference Impurity standard
    2-Methylthio-4-pyrimidinol/5751-20-2
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    Product Name : 2-Amino-5-bromopyrimidine/7752-82-1

    Code: JCBB1679
    CAS: 7752-82-1
    Chemical Formula: C4H4BrN3
    Molecular Weight:  174.00 
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 2-Amino-5-bromopyrimidine/7752-82-1  is useful as reference Impurity standard
    2-Amino-5-bromopyrimidine/7752-82-1
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    Product Name : 2-(Methylthio)pyridin-4-amine;2-(methylthio)-4-Pyridinamine;4-AMino-2-(Methylthio)pyridine;4-Pyridinamine, 2-(methylthio)-;2-methylsulfanylpyridin-4-amine;4-AMino-2-(Methylthio)pyridine /59243-39-9

    Code: JCBB1678
    CAS: 59243-39-9
    Chemical Formula: C6H8N2S
    Molecular Weight: 140.21
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 4-AMino-2-(Methylthio)pyridine /59243-39-9  is useful as reference Impurity standard
    2-(Methylthio)pyridin-4-amine;2-(methylthio)-4-Pyridinamine;4-AMino-2-(Methylthio)pyridine;4-Pyridinamine, 2-(methylthio)-;2-methylsulfanylpyridin-4-amine;4-AMino-2-(Methylthio)pyridine /59243-39-9
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    Product Name : 4-Bromo-2,6-diisopropylaniline/80058-84-0

    Code: JCBB1677
    CAS: 80058-84-0
    Chemical Formula: C12H18BrN
    Molecular Weight:  256.19 
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 4-Bromo-2,6-diisopropylaniline/80058-84-0  is useful as reference Impurity standard
    4-Bromo-2,6-diisopropylaniline/80058-84-0
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    Product Name : 3,5-Diisopropyl-4-biphenylamine;3,5-diisopropyl-[1,1′-biphenyl]-4-amine;1,1′-Biphenyl]-4-amine, 3,5-bis(1-methylethyl);[1,1′-Biphenyl]-4-amine, 3,5-bis(1-methylethyl)/389104-62-5

    Code: JCBB1676
    CAS: 389104-62-5
    Chemical Formula: C18 H23 N
    Molecular Weight:  253.38
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 3,5-Diisopropyl-4-biphenylamine/389104-62-5  is useful as reference Impurity standard
    3,5-Diisopropyl-4-biphenylamine;3,5-diisopropyl-[1,1'-biphenyl]-4-amine;1,1'-Biphenyl]-4-amine, 3,5-bis(1-methylethyl);[1,1'-Biphenyl]-4-amine, 3,5-bis(1-methylethyl)/389104-62-5
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    Product Name : tert-Butyl 4-(4-Bromophenyl)piperazine-1-carboxylate/352437-09-3

    Code: JCBB1675
    CAS: 352437-09-3
    Chemical Formula: C15H21BrN2O2
    Molecular Weight:  341.25 
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: tert-Butyl 4-(4-Bromophenyl)piperazine-1-carboxylate/352437-09-3  is useful as reference Impurity standard
    tert-Butyl 4-(4-Bromophenyl)piperazine-1-carboxylate/352437-09-3
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    Product Name : 1-(4-Bromophenyl)piperazine/66698-28-0

    Code: JCBB1674
    CAS:  66698-28-0
    Chemical Formula: C10H13BrN2
    Molecular Weight: 241.13 
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 1-(4-Bromophenyl)piperazine/66698-28-0  is useful as reference Impurity standard.
    1-(4-Bromophenyl)piperazine/66698-28-0
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    Product Name : Ethyl 5‑chloro‑3‑(methylthio)‑1,2,4‑triazine‑6‑carboxylate (CAS: 75824-03-2)

    Code: JCBB1673
    CAS:  75824-03-2
    Chemical Formula: C7H8ClN3O2S
    Molecular Weight: 233.678
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Ethyl 5‑chloro‑3‑(methylthio)‑1,2,4‑triazine‑6‑carboxylate (CAS: 75824-03-2)  is useful as reference Impurity standard.
    Ethyl 5‑chloro‑3‑(methylthio)‑1,2,4‑triazine‑6‑carboxylate (CAS: 75824-03-2)
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    Product Name : 6-(Triphenylphosonimum)hexylamine diHCl /1131626-45-3

    Code: JCBB1672
    CAS: 1131626-45-3
    Chemical Formula: C24H30Cl2NP
    Molecular Weight: 434.38
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 6-(Triphenylphosonimum)hexylamine diHCl /1131626-45-3 is useful as reference Impurity standard
    6-(Triphenylphosonimum)hexylamine diHCl /1131626-45-3
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    Product Name : 1-Azido-2-Bromoethane (CAS: 19263-22-0)

    Code: JCBB1671
    CAS: 19263-22-0
    Chemical Formula: C2H4BrN3
    Molecular Weight: 149.98
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 1-Azido-2-Bromoethane (CAS: 19263-22-0) is useful as reference Impurity standard
    1-Azido-2-Bromoethane (CAS: 19263-22-0)
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    Product Name : tert-Butyl 4-(4-bromo-2-chlorophenyl)piperazine-1-carboxylate/1429891-40-6

    Code: JCBB1670
    CAS: 1429891-40-6
    Chemical Formula:C15H20BrClN2O2
    Molecular Weight:375.69
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: tert-Butyl 4-(4-bromo-2-chlorophenyl)piperazine-1-carboxylate/1429891-40-6 is useful as reference Impurity standard
    tert-Butyl 4-(4-bromo-2-chlorophenyl)piperazine-1-carboxylate/1429891-40-6
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    Product Name : 1,1-Dimethylhydrazine/57-14-7

    Code: JCBB1669
    CAS: 57-14-7
    Chemical Formula:C2H8N2
    Molecular Weight:60.10 
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 1,1-Dimethylhydrazine/57-14-7 is useful as reference Impurity standard
    1,1-Dimethylhydrazine/57-14-7
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    Product Name : 3-BROMO-2-FLUORO-4-METHYL-BENZOIC ACID;Benzoic acid, 3-bromo-2-fluoro-4-methyl/1427382-06-6

    Code: JCBB1668
    CAS: 1427382-06-6
    Chemical Formula:C8H6BrFO2
    Molecular Weight:233.03
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 3-bromo-2-fluoro-4-methyl/1427382-06-6 is useful as reference Impurity standard
    3-BROMO-2-FLUORO-4-METHYL-BENZOIC ACID;Benzoic acid, 3-bromo-2-fluoro-4-methyl/1427382-06-6
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    Product Name : Methyl 3-bromo-2-fluoro-4-methylbenzoate;Benzoic acid 3-bromo-2-fluoro-4-methyl-, methyl ester/1807043-92-0

    Code: JCBB1667
    CAS: 1807043-92-0
    Chemical Formula:C9H8BrFO2
    Molecular Weight:247.06
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 3-bromo-2-fluoro-4-methyl-, methyl ester/1807043-92-0 is useful as reference Impurity standard
    Methyl 3-bromo-2-fluoro-4-methylbenzoate;Benzoic acid 3-bromo-2-fluoro-4-methyl-, methyl ester/1807043-92-0
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    Product Name : 2,4,6,8-Tetrahydroxy-Pyrimido-(5,4D)Pyrimidine/6713-54-8

    Code: JCBB1666
    CAS: 6713-54-8
    Chemical Formula:C6H4N4O4
    Molecular Weight:196.12
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Isoamyl 4-Hydroxybenzoate/6521-30-8 is useful as reference Impurity standard
    2,4,6,8-Tetrahydroxy-Pyrimido-(5,4D)Pyrimidine/6713-54-8
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    Product Name : Isoamyl 4-Hydroxybenzoate/6521-30-8

    Code: JCBB1665
    CAS: 6521-30-8
    Chemical Formula:C12H16O3
    Molecular Weight: 208.26 
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Isoamyl 4-Hydroxybenzoate/6521-30-8 is useful as reference Impurity standard
    Isoamyl 4-Hydroxybenzoate/6521-30-8
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    Product Name : 1,2-Dimethoxyethane/110-71-4

    Code: JCBB1664
    CAS: 110-71-4
    Chemical Formula:C4H10O2
    Molecular Weight: 90.12 
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 1,2-Dimethoxyethane/110-71-4 is useful as reference Impurity standard
    1,2-Dimethoxyethane/110-71-4
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    Product Name : 4(1H)-Cycloheptimidazolone, 5,6,7,8-tetrahydro-2-propyl/165951-91-7

    Code: JCBB1663
    CAS: 165951-91-7
    Chemical Formula:C11H16N2O
    Molecular Weight:192.26
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 4(1H)-Cycloheptimidazolone, 5,6,7,8-tetrahydro-2-propyl/165951-91-7 is useful as reference Impurity standard
    4(1H)-Cycloheptimidazolone, 5,6,7,8-tetrahydro-2-propyl/165951-91-7
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    Product Name : 1,3-Dichloropropane/142-28-9

    Code: JCBB1662
    CAS: 142-28-9
    Chemical Formula:C3H6Cl2
    Molecular Weight:112.98 
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 1,3-Dichloropropane/142-28-9 is useful as reference Impurity standard
    1,3-Dichloropropane/142-28-9
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    Product Name : 2,3,4,5-Tetrahydro-3-(trifluoroacetyl)-1,5-methano-1H-3-benzazepine/230615-51-7

    Code: JCBB1661
    CAS:230615-51-7
    Chemical Formula:C13H12F3NO
    Molecular Weight:255.24
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 2,3,4,5-Tetrahydro-3-(trifluoroacetyl)-1,5-methano-1H-3-benzazepine/230615-51-7 is useful as reference Impurity standard
    2,3,4,5-Tetrahydro-3-(trifluoroacetyl)-1,5-methano-1H-3-benzazepine/230615-51-7
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    Product Name : Decane/124-18-5

    Code: JCBB1660
    CAS:124-18-5
    Chemical Formula:C10H22
    Molecular Weight:142.28
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: Decane/124-18-5 is useful as reference Impurity standard
    Decane/124-18-5
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    Product Name : 4-AMINO-4-(4-CHLOROPHENYL)BUTAN-1-OL/1143534-01-3

    Code: JCBB1659
    CAS:1143534-01-3
    Chemical Formula:C10H14ClNO
    Molecular Weight:199.677
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 4-AMINO-4-(4-CHLOROPHENYL)BUTAN-1-OL/1143534-01-3 is useful as reference Impurity standard
    4-AMINO-4-(4-CHLOROPHENYL)BUTAN-1-OL/1143534-01-3
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    Product Name : 1-(4-ETHOXYPHENYL)ETHANAMINE/104294-63-5

    Code: JCBB1658
    CAS:104294-63-5
    Chemical Formula:C10H15NO
    Molecular Weight:165.23
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: 1-(4-ETHOXYPHENYL)ETHANAMINE/104294-63-5 is useful as reference Impurity standard
    1-(4-ETHOXYPHENYL)ETHANAMINE/104294-63-5
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    Product Name : N,N,O-Trimethylhydroxylamine N-Methoxy-N-methylmethanamine Methanamine, N-methoxy-N-methyl;trimethylhydroxylamine/5669-39-6

    Code: JCBB1656
    CAS: 5669-39-6
    Chemical Formula:C3H9NO
    Molecular Weight:75.11
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application: trimethylhydroxylamine/5669-39-6 is useful as reference Impurity standard
    N,N,O-Trimethylhydroxylamine N-Methoxy-N-methylmethanamine Methanamine, N-methoxy-N-methyl;trimethylhydroxylamine/5669-39-6
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    Product Name : Octafluoronaphthalene/313-72-4

    Code: JCBB1655
    CAS: 313-72-4
    Chemical Formula:C10F8
    Molecular Weight:272.10 
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:Octafluoronaphthalene/313-72-4 is useful as reference Impurity standard
    Octafluoronaphthalene/313-72-4
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    Product Name : 1-Bromocarbazole/16807-11-7

    Code: JCBB1654
    CAS: 16807-11-7
    Chemical Formula:C12H8BrN
    Molecular Weight:246.11 
    Category:  Building Blocks ;Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:1-Bromocarbazole/16807-11-7  is useful as reference Impurity standard
    1-Bromocarbazole/16807-11-7
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    Product Name : Methyl 1-amino-4-bromo-1H-pyrrole-2-carboxylate/1208361-39-0

    Code: JCBB1653
    CAS: 1208361-39-0
    Chemical Formula:C6H7BrN2O2
    Molecular Weight:219.04
    Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities
    Literature:
    Application:4-bromo-1H-pyrrol-2-carbamate/1208361-39-0 is useful as reference Impurity standard
    Methyl 1-amino-4-bromo-1H-pyrrole-2-carboxylate/1208361-39-0
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