Building Blocks
1618 Results Found
Page 24 of 50
Building Blocks (Aliphatic/Aromatic/Heterocyclic/Carbohydrates)
-
Free
Product Name : Methyl 4-NitrocinnamateMethyl 4-N;itrocinnamate |637-57-0
Code: JC-BB892 CAS: 637-57-0 Chemical Formula:C10H9NO4 Molecular Weight:207.18 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Methyl 4-NitrocinnamateMethyl 4-N;itrocinnamate |637-57-0 is useful as reference Impurity standard. 
-
Free
Product Name : 1-Ethynylpyrene ;(1-Pyrenyl)acetylene; 1-(1-Pyrenyl)ethyne |34993-56-1
Code: JC-BB891 CAS: 34993-56-1 Chemical Formula:C18H10 Molecular Weight:226.27 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1-Ethynylpyrene ;(1-Pyrenyl)acetylene; 1-(1-Pyrenyl)ethyne |34993-56-1 is useful as reference Impurity standard. 
-
Free
Product Name : 3-Bromo-2-iodobenzonitrile|450412-21-2
Code: JC-BB890 CAS: 450412-21-2 Chemical Formula:C7H3NBrI Molecular Weight:307.91 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 3-Bromo-2-iodobenzonitrile|450412-21-2 is useful as reference Impurity standard. 
-
Free
Product Name : 10-(Chloroacetyl)-10H-phenothiazine;10-(Chloroacetyl)-10H-phenothiazine | 786-50-5
Code: JC-BB889 CAS: 786-50-5 Chemical Formula:C14H10ClNOS Molecular Weight:275.75 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 10-(Chloroacetyl)-10H-phenothiazine;10-(Chloroacetyl)-10H-phenothiazine | 786-50-5 is useful as reference Impurity standard. 
-
Free
Product Name : 2,2′-Azanediyldiethanol hydrochloride ;2,2′-Azanediyldiethanol hydrochloride|14426-21-2
Code: JC-BB888 CAS: 14426-21-2 Chemical Formula:C4H11NO2 • HCl Molecular Weight:141.59 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2,2'-Azanediyldiethanol hydrochloride ;2,2'-Azanediyldiethanol hydrochloride|14426-21-2 is useful as reference Impurity standard. 
-
Free
Product Name : 2-methoxy-5-methylisonicotinaldehyde ;2-Methoxy-5-methyl-3-pyridinecarboxaldehyde;|1203499-47-1
Code: JC-BB887 CAS: 1203499-47-1 Chemical Formula:C8H9NO2 Molecular Weight: 151.16 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-methoxy-5-methylisonicotinaldehyde ;2-Methoxy-5-methyl-3-pyridinecarboxaldehyde;|1203499-47-1 is useful as reference Impurity standard. 
-
Free
Product Name : 1-Phenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole ;1-Phenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole1002334-12-4
Code: JC-BB886 CAS: 1002334-12-4 Chemical Formula:C15H19BN2O2 Molecular Weight:270.13 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1-Phenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole ;1-Phenyl-4-(4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)-1H-pyrazole1002334-12-4 is useful as reference Impurity standard. 
-
Free
Product Name : Hypromellose Phthalate USPCRS ;Hydroxyl propylmethylcellulose phthalate; Hydroxypropyl methyl cellulose phthalate; Hydroxypropyl methylcelluose phthalate; Hypromellose phthalate; |9050-31-1
Code: JC-BB885 CAS: 9050-31-1 Chemical Formula:C14H16N4 Molecular Weight: 240,3 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Hypromellose Phthalate USPCRS ;Hydroxyl propylmethylcellulose phthalate; Hydroxypropyl methyl cellulose phthalate; Hydroxypropyl methylcelluose phthalate; Hypromellose phthalate; |9050-31-1 is useful as reference Impurity standard. 
-
Free
Product Name : 2-Cyano phenol ;2-Cyanophenol; 2-Hydroxybenzonitrile; |611-20-1
Code: JC-BB884 CAS: 611-20-1 Chemical Formula:C7H5NO Molecular Weight: 119.12 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-Cyano phenol ;2-Cyanophenol; 2-Hydroxybenzonitrile; |611-20-1 is useful as reference Impurity standard. 
-
Free
Product Name : 3,4-dimethoxy-2-methyl pyridine N-oxide;2-Methyl-3,4-dimethoxypyridine N-oxide; |72830-07-0
Code: JC-BB883 CAS: 72830-07-0 Chemical Formula: C8H11NO3 Molecular Weight: 169.18 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 3,4-dimethoxy-2-methyl pyridine N-oxide;2-Methyl-3,4-dimethoxypyridine N-oxide; |72830-07-0 is useful as reference Impurity standard. 
-
Free
Product Name : 2-Hydroxy-5-methoxy benzimidazole ;5-Methoxy-2-benzimidazolinone |2080-75-3
Code: JC-BB882 CAS: 2080-75-3 Chemical Formula:C8H8N2O2 Molecular Weight: 164.16 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-Hydroxy-5-methoxy benzimidazole ;5-Methoxy-2-benzimidazolinone |2080-75-3 is useful as reference Impurity standard. 
-
Free
Product Name : 3-Amino-5-methoxy hexanoic Acid ;3-Amino-5-methylhexanoic acid,|3653-34-7
Code: JC-BB881 CAS: 3653-34-7 Chemical Formula: C7H15NO2 Molecular Weight: 145.20 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 3-Amino-5-methoxy hexanoic Acid ;3-Amino-5-methylhexanoic acid,|3653-34-7 is useful as reference Impurity standard. 
-
Free
Product Name : 2-METHYL-4,5 DIPHENYLOXAZOLE |14224-99-8
Code: JC-BB880 CAS: 14224-99-8 Chemical Formula:C16H13NO Molecular Weight:235.28 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-METHYL-4,5 DIPHENYLOXAZOLE |14224-99-8 is useful as reference Impurity standard. 
-
Free
Product Name : N-methyl-4-nitroaniline|100-15-2
Code: JC-BB879 CAS: 100-15-2 Chemical Formula:C7H8N2O2 Molecular Weight:152.15 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: N-methyl-4-nitroaniline|100-15-2 is useful as reference Impurity standard. 
-
Free
Product Name : D-infraluciferin methyl ester
Code: JC-BB878 CAS: NA Chemical Formula:C14H12N2O3S2 Molecular Weight:320.38 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: D-infraluciferin methyl ester is useful as reference Impurity standard. 
-
Free
Product Name : 1,5-Dichloro-2-Fluoro-4-(trichloromethyl)benzene ; 2,4-dichloro-5-fluoro-(trichloromethyl)benzene | 86522-88-5
Code: JC-BB877 CAS: 86522-88-5 Chemical Formula:C7H2Cl5F Molecular Weight:282.3 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: is useful as reference Impurity standard. 
-
Free
Product Name : 3,4-Dichlorobenzonitrile, 96% | 6574-99-8
Code: JC-BB876 CAS: 6574-99-8 Chemical Formula:C7H3Cl2N Molecular Weight: 172.01 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 3,4-Dichlorobenzonitrile, 96% | 6574-99-8 is useful as reference Impurity standard. 
-
Free
Product Name : Dimethyl sulfate | 77-78-1
Code: JC-BB875 CAS: 77-78-1 Chemical Formula:C2H6O4S Molecular Weight:126.13 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Dimethyl sulfate | 77-78-1 is useful as reference Impurity standard. 
-
Free
Product Name : 2-ethoxy benzoic acid |134-11-2
Code: JC-BB874 CAS: 134-11-2 Chemical Formula:C9H10O3 Molecular Weight:166.18 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-ethoxy benzoic acid |134-11-2 is useful as reference Impurity standard. 
-
Free
Product Name : Methyl ester of Sulfosalicyclic acid ; 4-hydroxy-3-(methoxycarbonyl)benzenesulfonic acid
Code: JC-BB873 CAS: NA Chemical Formula:C8H8O6S Molecular Weight:232.21 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Methyl ester of Sulfosalicyclic acid ; 4-hydroxy-3-(methoxycarbonyl)benzenesulfonic acid is useful as reference Impurity standard. 
-
Free
Product Name : Ethyl ester of Sulfosalicyclic acid ; 3-(ethoxycarbonyl)-4-hydroxybenzenesulfonic acid |
Code: JC-BB872 CAS: NA Chemical Formula:C9H10O6S Molecular Weight:246.23 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Ethyl ester of Sulfosalicyclic acid ; 3-(ethoxycarbonyl)-4-hydroxybenzenesulfonic acid | is useful as reference Impurity standard. 
-
Free
Product Name : 2-Acetylanisole, 95% | 579-74-8
Code: JC-BB871 CAS: 579-74-8 Chemical Formula:C9H10O2 Molecular Weight:150.18 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-Acetylanisole, 95% | 579-74-8 is useful as reference Impurity standard. 
-
Free
Product Name : 7-Chloro-1,2,3,4-tetrahydrobenzo[b]azepin 5-one ;TOV 10; 7-Chloro-1,2,3,4-tetrahydrobenzo[b]azepin-5-one | 160129-45-3
Code: JC-BB870 CAS: 160129-45-3 Chemical Formula:C10H10ClNO Molecular Weight:195.65 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 7-Chloro-1,2,3,4-tetrahydrobenzo[b]azepin 5-one ;TOV 10; 7-Chloro-1,2,3,4-tetrahydrobenzo[b]azepin-5-one | 160129-45-3 is useful as reference Impurity standard. ![7-Chloro-1,2,3,4-tetrahydrobenzo[b]azepin 5-one ;TOV 10; 7-Chloro-1,2,3,4-tetrahydrobenzo[b]azepin-5-one | 160129-45-3](https://drjcrbio.com/wp-content/uploads/160129-45-3.png)
-
Free
Product Name : 2-Benzofuran-1(3H)-one ; TOV35-V ; Isobenzofuran-1(3H)-one | 87-41-2
Code: JC-BB869 CAS: 87-41-2 Chemical Formula:C8H6O2 Molecular Weight:134.13 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-Benzofuran-1(3H)-one ; TOV35-V ; Isobenzofuran-1(3H)-one | 87-41-2 is useful as reference Impurity standard. 
-
Free
Product Name : 5-Bromo-2-chloro-N-cyclopentylpyrimidin-4-amine | 733039-20-8
Code: JC-BB868 CAS: 733039-20-8 Chemical Formula:C9H11BrClN3 Molecular Weight: 276.56 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 5-Bromo-2-chloro-N-cyclopentylpyrimidin-4-amine | 733039-20-8 is useful as reference Impurity standard. 
-
Free
Product Name : 5-Ethynylpyrimidine | 153286-94-3
Code: JC-BB867 CAS: 153286-94-3 Chemical Formula: C6H4N2 Molecular Weight: 104.11 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 5-Ethynylpyrimidine | 153286-94-3 is useful as reference Impurity standard. 
-
Free
Product Name : 3-Chloro-1-(4-nitrophenyl)-5,6-dihydropyridin-2(1H)-one | 536760-29-9
Code: JC-BB866 CAS: 536760-29-9 Chemical Formula: C11H9ClN2O3 Molecular Weight: 252.65 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 3-Chloro-1-(4-nitrophenyl)-5,6-dihydropyridin-2(1H)-one | 536760-29-9 is useful as reference Impurity standard. 
-
Free
Product Name : 4-ethyl-2-methyloxazole-5-carboxylic acid (>96%) | 1564709-36-9
Code: JC-BB864 CAS: 1564709-36-9 Chemical Formula:C7H9NO3 Molecular Weight: 155.15 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 4-ethyl-2-methyloxazole-5-carboxylic acid (>96%) | 1564709-36-9 is useful as reference Impurity standard. 
-
Free
Product Name : 2-Methyl-3-nitro benzoic acid | 40751-88-0
Code: JC-BB863 CAS: 40751-88-0 Chemical Formula:C8H7NO4 Molecular Weight: 181.15 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-Methyl-3-nitro benzoic acid | 40751-88-0 is useful as reference Impurity standard. 
-
Free
Product Name : N-(2-Chloroethyl)1,2-ethane diamine dihydrochloride | 5590-29-4
Code: JC-BB862 CAS: 5590-29-4 Chemical Formula: C4H11ClN2.2HCl Molecular Weight: 122.60.2HCl Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: N-(2-Chloroethyl)1,2-ethane diamine dihydrochloride | 5590-29-4 is useful as reference Impurity standard. 
-
Free
Product Name : 2-Methyl-3-nitro benzoic acid ; 40751-88-0
Code: JC-BB861 CAS: 40751-88-0 Chemical Formula:C8H7NO4 Molecular Weight:181.15 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-Methyl-3-nitro benzoic acid ; 40751-88-0 is useful as reference Impurity standard. 
-
Free
Product Name : (S)-Methyl 2-aminopropanoate | 10065-72-2
Code: JC-BB860 CAS: 10065-72-2 Chemical Formula:C4H9NO2 Molecular Weight:103.12 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: (S)-Methyl 2-aminopropanoate | 10065-72-2 is useful as reference Impurity standard. 
-
Free
Product Name : 4-(4-Nitrophenyl)morpholin-3-one | 446292-04-2
Code: BB859 CAS: 446292-04-2 Chemical Formula: C10H10N2O4 Molecular Weight:222.20 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 4-(4-Nitrophenyl)morpholin-3-one | 446292-04-2 is useful as reference Impurity standard. 
