Building Blocks
1621 Results Found
Page 18 of 50
Building Blocks (Aliphatic/Aromatic/Heterocyclic/Carbohydrates)
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Product Name : R(-)Epichlorohydrin | 51594-55-9
Code: JC-BB1099 CAS: 51594-55-9 Chemical Formula:C3H5ClO Molecular Weight:92.52 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: R(-)Epichlorohydrin | 51594-55-9is useful as reference Impurity standard. 
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Product Name : TERT-BUTYL 4-(CYANOMETHYL)-4-HYDROXYPIPERIDINE-1-CARBOXYLATE | 774609-73-3
Code: JC-BB1098 CAS: 774609-73-3 Chemical Formula:C12H20N2O3 Molecular Weight:240.30 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: TERT-BUTYL 4-(CYANOMETHYL)-4-HYDROXYPIPERIDINE-1-CARBOXYLATE | 774609-73-3 is useful as reference Impurity standard. 
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Product Name : 1-OXA-2,7-DIAZASPIRO[4.5]DECAN-3-ONE | 138163-06-1
Code: JC-BB1097 CAS: 138163-06-1 Chemical Formula: C7H12N2O2 Molecular Weight: 156.19 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1-OXA-2,7-DIAZASPIRO[4.5]DECAN-3-ONE | 138163-06-1 is useful as reference Impurity standard. ![1-OXA-2,7-DIAZASPIRO[4.5]DECAN-3-ONE | 138163-06-1](https://drjcrbio.com/wp-content/uploads/138163-06-1.png)
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Product Name : Di Octyl Phthalate | 117-81-7
Code: JC-BB1096 CAS: 117-81-7 Chemical Formula:C24H38O4 Molecular Weight:390.56 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Di Octyl Phthalate | 117-81-7is useful as reference Impurity standard. 
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Product Name : (E)-3-(2-(7-chloroquinolin-2-yl) vinyl)benzaldehyde |120578-03-2
Code: JC-BB1094 CAS: 120578-03-2 Chemical Formula:C18H12ClNO Molecular Weight:293.75 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: (E)-3-(2-(7-chloroquinolin-2-yl) vinyl)benzaldehyde |120578-03-2is useful as reference Impurity standard. 
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Product Name : 2-(Chloromethyl)-3,4-dimethoxy pyridine hydrochloride| 72830-09-02
Code: JC-BB1093 CAS: 72830-09-02 Chemical Formula:C8H11Cl2NO2 Molecular Weight:224.08 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-(Chloromethyl)-3,4-dimethoxy pyridine hydrochloride| 72830-09-02 is useful as reference Impurity standard. 
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Product Name : isopropyl 2-hydroxy-2,2-diphenylacetate | 4055-06-05
Code: JC-BB1092 CAS: 4055-06-05 Chemical Formula:C17H18O3 Molecular Weight:270.33 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: isopropyl 2-hydroxy-2,2-diphenylacetate | 4055-06-05 is useful as reference Impurity standard. 
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Product Name : (E)-TERT-BUTYL (4-AMINOBUT-2-EN-1-YL)CARBAMATE ; tert-butyl (E)-(4-aminobut-2-en-1-yl)carbamate |146394-99-2
Code: JC-BB1091 CAS: 146394-99-2 Chemical Formula:C9H18N2O2 Molecular Weight:186.26 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: (E)-TERT-BUTYL (4-AMINOBUT-2-EN-1-YL)CARBAMATE ; tert-butyl (E)-(4-aminobut-2-en-1-yl)carbamate |146394-99-2 is useful as reference Impurity standard. 
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Product Name : 2-Chloro-4,6-diphenyl-1,3,5-triazine- | 3842-55-5
Code: JC-BB1090 CAS: 3842-55-5 Chemical Formula:C15H10ClN3 Molecular Weight:267.72 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-Chloro-4,6-diphenyl-1,3,5-triazine- | 3842-55-5 is useful as reference Impurity standard. 
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Product Name : (1S,2S,3R,5S)-2,6,6-trimethylbicyclo[3.1.1]heptane-2,3-diol | 18680-27-8
Code: JC-BB1089 CAS: 18680-27-8 Chemical Formula: C10H18O2 Molecular Weight:170.25 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: (1S,2S,3R,5S)-2,6,6-trimethylbicyclo[3.1.1]heptane-2,3-diol | 18680-27-8 is useful as reference Impurity standard. ![(1S,2S,3R,5S)-2,6,6-trimethylbicyclo[3.1.1]heptane-2,3-diol | 18680-27-8](https://drjcrbio.com/wp-content/uploads/18680-27-8.png)
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Product Name : (S)-2-acetoxy-2-phenylacetic acid |7322-88-5
Code: JC-BB1088 CAS: 7322-88-5 Chemical Formula:C10H10O4 Molecular Weight:194.19 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: (S)-2-acetoxy-2-phenylacetic acid |7322-88-5 is useful as reference Impurity standard. 
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Product Name : 3-Nitrophenyl ethylamine | 83304-13-6
Code: JC-BB1087 CAS: 83304-13-6 Chemical Formula:C8H10N2O2 Molecular Weight: 166.18 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 3-Nitrophenyl ethylamine | 83304-13-6 is useful as reference Impurity standard. 
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Product Name : 2-Nitrophenethyl amine | 33100-15-1
Code: JC-BB1086 CAS: 33100-15-1 Chemical Formula:C8H10N2O2 Molecular Weight:166.18 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-Nitrophenethyl amine | 33100-15-1 is useful as reference Impurity standard. 
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Product Name : Propyl cyanoacetate ( PCA) – | 14447-15-5
Code: JC-BB1085 CAS: 14447-15-5 Chemical Formula:C6H9NO2 Molecular Weight:127.14 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Propyl cyanoacetate ( PCA) – | 14447-15-5is useful as reference Impurity standard. 
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Product Name : Cyano acetic acid (AAA) – |372-09-8
Code: JC-BB1084 CAS: 372-09-8 Chemical Formula: C₃H₃NO₂ Molecular Weight:85.06 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Cyano acetic acid (AAA) – |372-09-8 is useful as reference Impurity standard. 
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Product Name : 2-Chloromethyl-3,5-dimethyl-4-methoxy pyridine hydrochloride | 86604-75-3
Code: JC-BB1083 CAS: 86604-75-3 Chemical Formula:C9H13Cl2NO Molecular Weight:222.11 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-Chloromethyl-3,5-dimethyl-4-methoxy pyridine hydrochloride | 86604-75-3is useful as reference Impurity standard. 
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Product Name : 4-Methoxybenzene-1,2-Diamine | 102-51-2
Code: JC-BB1082 CAS: 102-51-2 Chemical Formula:C7H10N2O Molecular Weight:138.17 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 4-Methoxybenzene-1,2-Diamine | 102-51-2 is useful as reference Impurity standard. 
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Product Name : 2-(chloromethyl)-3,5-dimethyl 4-hydroxypyridine (4-Hydroxy (0.11RRT))| 220771-03-9
Code: JC-BB1081 CAS: 220771-03-9 Chemical Formula:C8H10ClNO Molecular Weight:171.62 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-(chloromethyl)-3,5-dimethyl 4-hydroxypyridine (4-Hydroxy (0.11RRT))| 220771-03-9 is useful as reference Impurity standard. 
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Product Name : (R)-ethyl-4-cyano-3-hydroxybutanoate (A5) |141942-85-0
Code: JC-BB1080 CAS: 141942-85-0 Chemical Formula:C7H11NO3 Molecular Weight:157.17 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: (R)-ethyl-4-cyano-3-hydroxybutanoate (A5) |141942-85-0 is useful as reference Impurity standard. 
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Product Name : Ethyl ester ; Ethyl 1-(4-methoxyphenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate | 503614-91-3
Code: JC-BB1079 CAS: 503614-91-3 Chemical Formula:C27H28N4O5 Molecular Weight:488.54 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Ethyl ester ; Ethyl 1-(4-methoxyphenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate | 503614-91-3is useful as reference Impurity standard. ![Ethyl ester ; Ethyl 1-(4-methoxyphenyl)-7-oxo-6-(4-(2-oxopiperidin-1-yl)phenyl)-4,5,6,7-tetrahydro-1H-pyrazolo[3,4-c]pyridine-3-carboxylate | 503614-91-3](https://drjcrbio.com/wp-content/uploads/503614-91-3.png)
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Product Name : Ethyl-2-chloro-2-(2-(2-phenyl)hydrazono)acetate |28663-68-5
Code: JC-BB1078 CAS: 28663-68-5 Chemical Formula:C10H11ClN2O2 Molecular Weight:226.66 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Ethyl-2-chloro-2-(2-(2-phenyl)hydrazono)acetate |28663-68-5is useful as reference Impurity standard. 
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Product Name : 1-(4-nitrophenyl)-piperidin-2-one | 38560-30-4
Code: JC-BB1077 CAS: 38560-30-4 Chemical Formula:C11H12N2O3 Molecular Weight:220.23 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1-(4-nitrophenyl)-piperidin-2-one | 38560-30-4 is useful as reference Impurity standard. 
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Product Name : 2-BROMO-5-NITROTHIOPHENE |13195-50-1
Code: JC-BB1076 CAS: 13195-50-1 Chemical Formula:C4H2BrNO2S Molecular Weight:208.03 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-BROMO-5-NITROTHIOPHENE |13195-50-1 is useful as reference Impurity standard. 
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Product Name : 2-(5-BROMOTHIOPHEN-2-YL)ACETIC ACID ;2-(5-bromothiophen-2-yl)acetic acid |71637-38-2
Code: JC-BB1075 CAS: 71637-38-2 Chemical Formula:C6H5BrO2S Molecular Weight: 221.07 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-(5-BROMOTHIOPHEN-2-YL)ACETIC ACID ;2-(5-bromothiophen-2-yl)acetic acid |71637-38-2 is useful as reference Impurity standard. 
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Product Name : DISODIUM EDTA ; Disodium Dihydrogen Ethylenediaminetetraacetate Dihydrate | 6381-92-6
Code: JC-BB1074 CAS: 6381-92-6 Chemical Formula:C10H14N2Na2O8·2H2O Molecular Weight:372.24 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: DISODIUM EDTA ; Disodium Dihydrogen Ethylenediaminetetraacetate Dihydrate | 6381-92-6 is useful as reference Impurity standard. 
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Product Name : Penicillamine disulphide|20902-45-8
Code: JC-BB1060 CAS: 20902-45-8 Chemical Formula:C10H20N2O4S2 Molecular Weight:296.41 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Penicillamine disulphide|20902-45-8 is useful as reference Impurity standard. 
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Product Name : 4′-(3-Bromophenyl)-2,2′:6′,2′′-terpyridine |879879-65-9
Code: JC-BB1072 CAS: 879879-65-9 Chemical Formula:C21H14BrN3 Molecular Weight:388.27 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 4′-(3-Bromophenyl)-2,2′:6′,2′′-terpyridine |879879-65-9 is useful as reference Impurity standard. 
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Product Name : 9,9-Dimethyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-9-silafluorene | 1262528-40-4
Code: JC-BB1071 CAS: 1262528-40-4 Chemical Formula:C20H25BO2Si Molecular Weight:336.31 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 9,9-Dimethyl-2-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-9H-9-silafluorene | 1262528-40-4is useful as reference Impurity standard.
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Product Name : 1-(Bromomethyl)-4-[(2-propen-1-yloxy)methyl]benzene |1312424-61-5
Code: JC-BB1070 CAS: 1312424-61-5 Chemical Formula:C11H13BrO Molecular Weight:241.13 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1-(Bromomethyl)-4-[(2-propen-1-yloxy)methyl]benzene |1312424-61-5 is useful as reference Impurity standard.
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Product Name : 2,4-diphenyl-6-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-1,3,5-triazine| 1219956-23-6
Code: JC-BB1069 CAS: 1219956-23-6 Chemical Formula:C27H26BN3O2 Molecular Weight:435.33 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2,4-diphenyl-6-(4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)phenyl)-1,3,5-triazine| 1219956-23-6 is useful as reference Impurity standard.
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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.
