Building Blocks
1623 Results Found
Page 19 of 50
Building Blocks (Aliphatic/Aromatic/Heterocyclic/Carbohydrates)
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Product Name : 2-(2-chlorophenyl)-4-phenylquinazoline| 1283751-33-6
Code: JC-BB1068 CAS: 1283751-33-6 Chemical Formula: C20H13ClN2 Molecular Weight:316.79 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-(2-chlorophenyl)-4-phenylquinazoline| 1283751-33-6 is useful as reference Impurity standard. 
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Product Name : 5-Methoxy-α-methyl-2-nitro-4-(2-propen-1-yloxy)benzenemethano | 944730-74-9
Code: JC-BB1067 CAS: 944730-74-9 Chemical Formula:C12H15NO5 Molecular Weight:253.25 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 5-Methoxy-α-methyl-2-nitro-4-(2-propen-1-yloxy)benzenemethano | 944730-74-9 is useful as reference Impurity standard.
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Product Name : R-tetrahydrofuran-3-ol ; (R)-(−)-3-Hydroxytetrahydrofuran|86087-24-3
Code: JC-BB1066 CAS: 86087-24-3 Chemical Formula:C4H8O2 Molecular Weight:88.11 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: R-tetrahydrofuran-3-ol ; (R)-(−)-3-Hydroxytetrahydrofuran|86087-24-3 is useful as reference Impurity standard.
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Product Name : Methyl 5-amino-6-iodopicolinate|872355-60-7
Code: JC-BB1065 CAS: 872355-60-7 Chemical Formula:C7H7IN2O2 Molecular Weight:278.05 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Methyl 5-amino-6-iodopicolinate|872355-60-7 is useful as reference Impurity standard.
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Product Name : N,N-Diethyl-3-cyanopropionamide (CDP)| 663176-28-1
Code: JC-BB1064 CAS: 663176-28-1 Chemical Formula:C8H14N2O Molecular Weight:154.21 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: N,N-Diethyl-3-cyanopropionamide (CDP)| 663176-28-1 is useful as reference Impurity standard.
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Product Name : Ethylcyanoacetate (ECA) |105-56-6
Code: JC-BB1063 CAS: 105-56-6 Chemical Formula:C5H7NO2 Molecular Weight:113.12 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Ethylcyanoacetate (ECA) |105-56-6 is useful as reference Impurity standard.
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Product Name : N1, N1, N3, N3 Teraethylmalonamide (TEM) | 33931-42-9
Code: JC-BB1062 CAS: 33931-42-9 Chemical Formula:C11H22N2O2 Molecular Weight:214.31 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: N1, N1, N3, N3 Teraethylmalonamide (TEM) | 33931-42-9 is useful as reference Impurity standard.
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Product Name : N-Ethyl Cyanomethylacetamide (NEA) ; 2-Cyano-N-ethylacetamide |15029-36-4
Code: JC-BB1061 CAS: 15029-36-4 Chemical Formula:C5H8N2O Molecular Weight:112.13 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: N-Ethyl Cyanomethylacetamide (NEA) ; 2-Cyano-N-ethylacetamide |15029-36-4 is useful as reference Impurity standard.
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Product Name : N-Methyl Cyanomethylacetamide (NMA) ; 2-Cyano-N-methyl-acetamide |6330-25-2
Code: JC-BB1073 CAS: 6330-25-2 Chemical Formula:C4H6N2O Molecular Weight:98.11 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: N-Methyl Cyanomethylacetamide (NMA) ; 2-Cyano-N-methyl-acetamide |6330-25-2 is useful as reference Impurity standard.
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Product Name : 1,2-Ethanedisulfonic Acid Dimethyl Ester/84959-24-0
Code: JC-BB1059 CAS: 84959-24-0 Chemical Formula:C4H10O6S2 Molecular Weight:218.25 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1,2-Ethanedisulfonic Acid Dimethyl Ester/84959-24-0 is useful as reference Impurity standard. 
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Product Name : DIETHYL SULFONATE PROCHLORPERAZINE EDISYLATE IMP ;diethyl ethane-1,2-disulfonate |500692-41-1
Code: JC-BB1058 CAS: 500692-41-1 Chemical Formula:C6H14O6S2 Molecular Weight:246.30 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: DIETHYL SULFONATE PROCHLORPERAZINE EDISYLATE IMP ;diethyl ethane-1,2-disulfonate |500692-41-1 is useful as reference Impurity standard. 
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Product Name : 5-(2-Bromophenyl)-1-trityl-1H-tetrazole ;N-trityl-5-(2-bromophenyl)tetrazole;5-(2-Bromophenyl)-1-trityl-1H-tetrazole |143945-72-6
Code: JC-BB1057 CAS: 143945-72-6 Chemical Formula:C26H19BrN4 Molecular Weight:467.36 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 5-(2-Bromophenyl)-1-trityl-1H-tetrazole ;N-trityl-5-(2-bromophenyl)tetrazole;5-(2-Bromophenyl)-1-trityl-1H-tetrazole |143945-72-6is useful as reference Impurity standard. 
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Product Name : 5-Phenyl-1-trityl-1H-tetrazole |154750-11-5
Code: JC-BB1056 CAS: 154750-11-5 Chemical Formula:C26H20N4 Molecular Weight:388.46 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 5-Phenyl-1-trityl-1H-tetrazole |154750-11-5 is useful as reference Impurity standard. 
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Product Name : 7-(tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydro-1H-indol-2-one|1150271-45-6
Code: JC-BB1055 CAS: 1150271-45-6 Chemical Formula:C14H18BNO3 Molecular Weight:259.11 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 7-(tetramethyl-1,3,2-dioxaborolan-2-yl)-2,3-dihydro-1H-indol-2-one|1150271-45-6 is useful as reference Impurity standard. 
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Product Name : N-(5-Oxo-L-prolyl)-L-glutamic Acid;N-L-Pyroglutamyl-L-glutamic Acid; N-(5-Oxo-L-prolyl)glutamic Acid|29227-92-7
Code: JC-BB1054 CAS: 29227-92-7 Chemical Formula:C10H14N2O6 Molecular Weight:258.23 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: N-(5-Oxo-L-prolyl)-L-glutamic Acid;N-L-Pyroglutamyl-L-glutamic Acid; N-(5-Oxo-L-prolyl)glutamic Acid|29227-92-7is useful as reference Impurity standard. 
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Product Name : 5-Bromo-6-chloro-1H-indole. |122531-09-3
Code: JC-BB1053 CAS: 122531-09-3 Chemical Formula:C8H5BrClN Molecular Weight:230.49 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 5-Bromo-6-chloro-1H-indole. |122531-09-3is useful as reference Impurity standard. 
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Product Name : Caprylic acid ;Caprylic Acid;n-Octanoic Acid |124-07-2
Code: JC-BB1052 CAS: 124-07-2 Chemical Formula:C8H16O2 Molecular Weight:144.21 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Caprylic acid ;Caprylic Acid;n-Octanoic Acid |124-07-2 is useful as reference Impurity standard. 
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Product Name : Acetamide, N-(2-bromo-5-methoxyphenyl)-; 2′-Bromo-5′-methoxyacetanilide Acetamide, N-(2-bromo-5-methoxyphenyl)- |123027-99-6
Code: JC-BB1051 CAS: 123027-99-6 Chemical Formula:C9H10BrNO2 Molecular Weight:244.09 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Acetamide, N-(2-bromo-5-methoxyphenyl)-; 2'-Bromo-5'-methoxyacetanilide Acetamide, N-(2-bromo-5-methoxyphenyl)- |123027-99-6 is useful as reference Impurity standard. 
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Product Name : 3-chloro-5,6,7,8-tetrahydroisoquinoline |875249-27-7
Code: JC-BB1050 CAS: 875249-27-7 Chemical Formula:C9H10ClN Molecular Weight:167.64 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 3-chloro-5,6,7,8-tetrahydroisoquinoline |875249-27-7is useful as reference Impurity standard. 
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Product Name : 6-Bromo-7-fluoro-3,4-dihydronaphthalen-1(2H)-one |1260014-69-4
Code: JC-BB1049 CAS: 1260014-69-4 Chemical Formula:C10H8BrFO Molecular Weight:240.37 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 6-Bromo-7-fluoro-3,4-dihydronaphthalen-1(2H)-one |1260014-69-4is useful as reference Impurity standard. 
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Product Name : 1,7-Octadiyne |871-84-1
Code: JC-BB1048 CAS: 871-84-1 Chemical Formula:C8H10 Molecular Weight:106.17 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1,7-Octadiyne |871-84-1is useful as reference Impurity standard. 
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Product Name : 2-Bromo-4-chloro-5-methylpyridine ;2-BroMo-4-chloro-5-Methylpyridine;Pyridine, 2-bromo-4-chloro-5-methyl- |1033203-40-5
Code: JC-BB1047 CAS: 1033203-40-5 Chemical Formula:C6H5BrClN Molecular Weight:206.5 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-Bromo-4-chloro-5-methylpyridine ;2-BroMo-4-chloro-5-Methylpyridine;Pyridine, 2-bromo-4-chloro-5-methyl- |1033203-40-5is useful as reference Impurity standard. 
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Product Name : Ethyl 2-chloro-2-(hydroxyimino)acetate ;Chloro(hydroxyimino)acetic Acid Ethyl Ester; chloroglyoxylic Acid Ethyl Ester Oxime; |14337-43-0
Code: JC-BB1046 CAS: 14337-43-0 Chemical Formula: C₄H₆ClNO₃ Molecular Weight:151.55 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Ethyl 2-chloro-2-(hydroxyimino)acetate ;Chloro(hydroxyimino)acetic Acid Ethyl Ester; chloroglyoxylic Acid Ethyl Ester Oxime; |14337-43-0is useful as reference Impurity standard. 
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Product Name : 1-(Trimethylsilyloxy)cyclopentene ;(1-Cyclopentenyloxy)trimethylsilane |19980-43-9
Code: JC-BB1045 CAS: 19980-43-9 Chemical Formula:C8H16OSi Molecular Weight:156.30 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1-(Trimethylsilyloxy)cyclopentene ;(1-Cyclopentenyloxy)trimethylsilane |19980-43-9is useful as reference Impurity standard. 
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Product Name : Dibutylamine |111-92-2
Code: JC-BB1044 CAS: 111-92-2 Chemical Formula:C8H19N Molecular Weight:129.25 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Dibutylamine |111-92-2 is useful as reference Impurity standard. 
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Product Name : 1-ethoxy l-methyl-propane ;Sec-butyl ethyl ether |2679-87-0
Code: JC-BB1043 CAS: 2679-87-0 Chemical Formula:C6H14O Molecular Weight:102.18 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1-ethoxy l-methyl-propane ;Sec-butyl ethyl ether |2679-87-0is useful as reference Impurity standard. 
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Product Name : 3,4-Dichloro-1-Nitrobenene ;1,2-Dichloro-4-nitrobenzene; 1-Nitro-3,4-dichlorobenzene; 3,4-Dichloronitrobenzene|99-54-7
Code: JC-BB1042 CAS: 99-54-7 Chemical Formula:C6H3Cl2NO2 Molecular Weight:192.00 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 3,4-Dichloro-1-Nitrobenene ;1,2-Dichloro-4-nitrobenzene; 1-Nitro-3,4-dichlorobenzene; 3,4-Dichloronitrobenzene|99-54-7is useful as reference Impurity standard. 
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Product Name : 3-Chloro-1-(4-methylphenyl)propan-1-ol; α-(2-Chloroethyl)-4-methylbenzenemethanol |22422-27-1
Code: JC-BB1041 CAS: 22422-27-1 Chemical Formula:C10H13ClO Molecular Weight:184.66 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 3-Chloro-1-(4-methylphenyl)propan-1-ol; α-(2-Chloroethyl)-4-methylbenzenemethanol |22422-27-1is useful as reference Impurity standard. 
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Product Name : 3-hydroxy -2-phenyl propionic acid methyl ester (Felbamate stage-II) ;α-(Hydroxymethyl)benzenacetic Acid Methyl Ester; Methyl Tropate; 3-hydroxy-2-phenyl propionic acid methyl Ester |3967-53-1
Code: JC-BB1040 CAS: 3967-53-1 Chemical Formula:C10H12O3 Molecular Weight:180.2 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 3-hydroxy -2-phenyl propionic acid methyl ester (Felbamate stage-II) ;α-(Hydroxymethyl)benzenacetic Acid Methyl Ester; Methyl Tropate; 3-hydroxy-2-phenyl propionic acid methyl Ester |3967-53-1 is useful as reference Impurity standard. 
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Product Name : Phenylacetic Acid Methyl Ester;Methyl Phenylacetate |101-41-7
Code: JC-BB1039 CAS: 101-41-7150.18 Chemical Formula:C9H10O2 Molecular Weight: Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Phenylacetic Acid Methyl Ester;Methyl Phenylacetate |101-41-7 is useful as reference Impurity standard. 
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Product Name : benzyl 2,4-dichloro-7,8-dihydropyrido[4,3-d]pyrimidine-6(5h)-carboxylate |1160248-14-5
Code: JC-BB1038 CAS: 1160248-14-5 Chemical Formula:C15H13Cl2N3O2 Molecular Weight:338.2 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: benzyl 2,4-dichloro-7,8-dihydropyrido[4,3-d]pyrimidine-6(5h)-carboxylate |1160248-14-5 is useful as reference Impurity standard. ![benzyl 2,4-dichloro-7,8-dihydropyrido[4,3-d]pyrimidine-6(5h)-carboxylate |1160248-14-5](https://drjcrbio.com/wp-content/uploads/1160248-14-5.png)
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Product Name : 1-phenylpropan-2-one- ;Benzyl methyl ketone, Phenyl-2-propanone |103-79-7
Code: JC-BB1037 CAS: 103-79-7 Chemical Formula:C9H10O Molecular Weight:134.18 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1-phenylpropan-2-one- ;Benzyl methyl ketone, Phenyl-2-propanone |103-79-7 is useful as reference Impurity standard. 
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Product Name : Chlordiazepoxide impurity B ;2-(Chloromethyl)-6-chloro-4-phenylquinazoline 3-Oxide; 2-Chloromethyl-4-phenyl-6-chloroquinazoline 3-Oxide; 6-Chloro-2-(chloromethyl)-4-phenylquinazoline 3-Oxide |5958-24-7
Code: JC-BB1036 CAS: 5958-24-7 Chemical Formula:C15H10Cl2N2O Molecular Weight:305.16 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Chlordiazepoxide impurity B ;2-(Chloromethyl)-6-chloro-4-phenylquinazoline 3-Oxide; 2-Chloromethyl-4-phenyl-6-chloroquinazoline 3-Oxide; 6-Chloro-2-(chloromethyl)-4-phenylquinazoline 3-Oxide |5958-24-7 is useful as reference Impurity standard. 
