Building Blocks
1637 Results Found
Page 22 of 50
Building Blocks (Aliphatic/Aromatic/Heterocyclic/Carbohydrates)
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Product Name : METHYL 5-TERT-BUTYL-2-FUROATE (LR) |59907-23-2
Code: JC-BB982 CAS: 59907-23-2 Chemical Formula:C10H14O3 Molecular Weight:182.2 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: METHYL 5-TERT-BUTYL-2-FUROATE (LR) |59907-23-2is useful as reference Impurity standard. 
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Product Name : 5-TERT-BUTYL-2-FUROIC ACID (LR) | 56311-39-8
Code: JC-BB981 CAS: 56311-39-8 Chemical Formula:C9H12O3 Molecular Weight:168.2 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 5-TERT-BUTYL-2-FUROIC ACID (LR) | 56311-39-8 is useful as reference Impurity standard. 
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Product Name : 4-Bromo-3,5-difluorobenzonitrile |123688-59-5
Code: JC-BB980 CAS: 123688-59-5 Chemical Formula:C7H2BrF2N Molecular Weight:218 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 4-Bromo-3,5-difluorobenzonitrile |123688-59-5is useful as reference Impurity standard. 
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Product Name : 4,5-Difluorophthalic acid |18959-31-4
Code: JC-BB979 CAS: 18959-31-4 Chemical Formula:C8H4F2O4 Molecular Weight:202.11 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 4,5-Difluorophthalic acid |18959-31-4 is useful as reference Impurity standard. 
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Product Name : ethyl 2-hydrazinyl-2-oxoacetate |35196-48-6
Code:JC-BB978 CAS: 35196-48-6 Chemical Formula:C4H8N2O3 Molecular Weight:132.12 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: ethyl 2-hydrazinyl-2-oxoacetate |35196-48-6 is useful as reference Impurity standard. 
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Product Name : Diisopropyl 3,3- Dimethoxycyclobutane-1,1-dicarboxylate (DIDD) |115118-68-8.
Code: JC-BB977 CAS: 115118-68-8 Chemical Formula:C14H24O6 Molecular Weight:288.3 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Diisopropyl 3,3- Dimethoxycyclobutane-1,1-dicarboxylate (DIDD) |115118-68-8.is useful as reference Impurity standard. 
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Product Name : 2-Methoxy-6-methylbenzaldehyde |54884-55-8
Code: JC-BB976 CAS: 54884-55-8 Chemical Formula:C9H10O2 Molecular Weight:150.17 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-Methoxy-6-methylbenzaldehyde |54884-55-8 is useful as reference Impurity standard. 
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Product Name : 3-Bromo-2-chlorobenzoic acid |56961-27-4
Code: JC-BB975 CAS: 56961-27-4 Chemical Formula: C₇H₄BrClO₂ Molecular Weight: 235.46 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 3-Bromo-2-chlorobenzoic acid |56961-27-4 is useful as reference Impurity standard. 
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Product Name : 1-(5-methyl-2-nitrophenyl)ethanone1-(5-Methyl-2-nitrophenyl)ethan-1-one| 69976-70-1
Code: JC-BB974 CAS: 69976-70-1 Chemical Formula:C9H9NO3 Molecular Weight:179.17 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1-(5-methyl-2-nitrophenyl)ethanone1-(5-Methyl-2-nitrophenyl)ethan-1-one| 69976-70-1 is useful as reference Impurity standard. 
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Product Name : Methyl 6-(hydroxymethyl)nicotinate |56026-36-9
Code: JC-BB973 CAS: 56026-36-9 Chemical Formula: C8H9NO3 Molecular Weight: 167.16 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Methyl 6-(hydroxymethyl)nicotinate |56026-36-9 is useful as reference Impurity standard. 
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Product Name : 3-Bromo-4-methyl-1H-pyrazole|5932-20-7
Code: JC-BB972 CAS: 5932-20-7 Chemical Formula: C4H5BrN2 Molecular Weight: 161.0 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 3-Bromo-4-methyl-1H-pyrazole|5932-20-7is useful as reference Impurity standard. 
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Product Name : Sulfolane standard ;1,1-Dioxothiolan; Bondelane A; Cyclic Tetramethylene Sulfone; Cyclotetramethylene Sulfone| 126-33-0
Code: JC-BB971 CAS: 126-33-0 Chemical Formula: C₄H₈O₂S Molecular Weight: 120.17 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Sulfolane standard ;1,1-Dioxothiolan; Bondelane A; Cyclic Tetramethylene Sulfone; Cyclotetramethylene Sulfone| 126-33-0 is useful as reference Impurity standard. 
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Product Name : Enza Isothiocyanate Impurity ;4-Cyano-3-trifluoromethylphenylisothiocyanate; 4-Isothiocyanato-2-trifluoromethylbenzonitrile, 4-Isothiocyanato-2-(trifluoromethyl)benzonitrile
Code: JC-BB970 CAS: 143782-23-4 Chemical Formula:C9H3F3N2S Molecular Weight:228.19 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Enza Isothiocyanate Impurity ;4-Cyano-3-trifluoromethylphenylisothiocyanate; 4-Isothiocyanato-2-trifluoromethylbenzonitrile, 4-Isothiocyanato-2-(trifluoromethyl)benzonitrileis useful as reference Impurity standard. 
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Product Name : 5-Nitroorotic Acid;1,2,3,6-Tetrahydro-5-nitro-2,6-dioxo-4-pyrimidinecarboxylic Acid;2,6-Dihydroxy-5-nitropyrimidine-4-carboxylic Acid;5-Nitrouracil-6-carboxylic Acid|17687-24-0
Code: JC-BB969 CAS: 17687-24-0 Chemical Formula:C5H3N3O6 Molecular Weight:201.09 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 5-Nitroorotic Acid;1,2,3,6-Tetrahydro-5-nitro-2,6-dioxo-4-pyrimidinecarboxylic Acid;2,6-Dihydroxy-5-nitropyrimidine-4-carboxylic Acid;5-Nitrouracil-6-carboxylic Acid|17687-24-0 is useful as reference Impurity standard. 
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Product Name : Ethane,1-bromo-2-ethoxy ;2-Ethoxyethyl Bromide |592-55-2
Code: JC-BB968 CAS: 592-55-2 Chemical Formula:C₄H₉BrO Molecular Weight: 153.02 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Ethane,1-bromo-2-ethoxy ;2-Ethoxyethyl Bromide |592-55-2is useful as reference Impurity standard. 
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Product Name : 1,2-Diethoxyethane;1,2-Diethoxy-ethane; 2-Ethoxyethyl Ethyl Ether; 3,6-Dioxaoctane |629-14-1
Code: JC-BB967 CAS: 629-14-1 Chemical Formula: Molecular Weight: Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1,2-Diethoxyethane;1,2-Diethoxy-ethane; 2-Ethoxyethyl Ethyl Ether; 3,6-Dioxaoctane |629-14-1 is useful as reference Impurity standard. 
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Product Name : 1-bromo-2-chloroethane;1-Chloro-2-bromoethane; 2-Bromo-1-chloroethane; 2-Bromoethyl Chloride; 2-Chloroethyl bromide; Ethylene chlorobromide |107-04-0
Code: JC-BB966 CAS: 107-04-0 Chemical Formula: Molecular Weight: Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1-bromo-2-chloroethane;1-Chloro-2-bromoethane; 2-Bromo-1-chloroethane; 2-Bromoethyl Chloride; 2-Chloroethyl bromide; Ethylene chlorobromide |107-04-0 is useful as reference Impurity standard. 
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Product Name : 1-Chloro-2-ethoxyethane ;1-Chloro-2-ethoxy-ethane; 2-Chloroethyl Ethyl Ether; (2-Chloroethoxy)ethane|628-34-2
Code: JC-BB965 CAS: 628-34-2 Chemical Formula: Molecular Weight: Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1-Chloro-2-ethoxyethane ;1-Chloro-2-ethoxy-ethane; 2-Chloroethyl Ethyl Ether; (2-Chloroethoxy)ethane|628-34-2is useful as reference Impurity standard. 
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Product Name : 3-Bromo-5-formylbenzoic acid ;3-Bromo-5-formylbenzoic Acid; 5-Bromo-3-formylbenzoic Acid|398119-27-2
Code: JC-BB964 CAS: 398119-27-2 Chemical Formula:C8H5BrO3 Molecular Weight: 229.03 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 3-Bromo-5-formylbenzoic acid ;3-Bromo-5-formylbenzoic Acid; 5-Bromo-3-formylbenzoic Acid|398119-27-2 is useful as reference Impurity standard. 
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Product Name : Ethyl(E)-2-(ethoxymethylene)-3-oxobutanoate(or)2-(Ethoxymethylene)-3-oxobutanoic acid ethyl ester :2-Acetyl-3-ethoxyacrylic Acid Ethyl Ester |3788-94-1
Code: JC-BB963 CAS: 3788-94-1 Chemical Formula:C9H14O4 Molecular Weight: 186.21 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Ethyl(E)-2-(ethoxymethylene)-3-oxobutanoate(or)2-(Ethoxymethylene)-3-oxobutanoic acid ethyl ester :2-Acetyl-3-ethoxyacrylic Acid Ethyl Ester |3788-94-1 is useful as reference Impurity standard. 
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Product Name : Ethyl 5-methylisoxazole-4-carboxylate |51135-73-0
Code: JC-BB962 CAS: 51135-73-0 Chemical Formula: Molecular Weight: Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Ethyl 5-methylisoxazole-4-carboxylate |51135-73-0 is useful as reference Impurity standard. 
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Product Name : 3-Methyl-isoxazole-4-carboxylic acid ;3-Methyl-4-isoxazolecarboxylic Acid |17153-20-7
Code: JC-BB961 CAS: 17153-20-7 Chemical Formula:C5H5NO3 Molecular Weight:127.1 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 3-Methyl-isoxazole-4-carboxylic acid ;3-Methyl-4-isoxazolecarboxylic Acid |17153-20-7 is useful as reference Impurity standard. 
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Product Name : 1,4-DihydrazinylphthalazineSulfate;2,3-Dihydro-1,4-phthalazinedioneDihydrazoneSulfate;1,4-Dihydrazinophthalazine;Depressan;Dihydralazine Sulfate;Dihydrazinophthalazine Sulfate; Dihyzin; |7327-87-9
Code: JC-BB959 CAS: 7327-87-9 Chemical Formula:C8H12N6O4S Molecular Weight:288.28 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1,4-DihydrazinylphthalazineSulfate;2,3-Dihydro-1,4-phthalazinedioneDihydrazoneSulfate;1,4-Dihydrazinophthalazine;Depressan;Dihydralazine Sulfate;Dihydrazinophthalazine Sulfate; Dihyzin; |7327-87-9 is useful as reference Impurity standard. 
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Product Name : METHYL ETHAN SULFONATE ;Methyl Ethylsulfonate; Ethanesulfonic Acid Methyl Ester; |1912-28-3
Code: JC-BB958 CAS: 1912-28-3 Chemical Formula:C2H5SO3CH3 Molecular Weight:124.16 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: METHYL ETHAN SULFONATE ;Methyl Ethylsulfonate; Ethanesulfonic Acid Methyl Ester; |1912-28-3 is useful as reference Impurity standard. 
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Product Name : ISOPROPYL ETHAN SULFONATE ;1-Methylethyl Ethanesulfonate; Isopropyl Ethanesulfonate |14245-62-6
Code: JC-BB957 CAS: 14245-62-6 Chemical Formula:C5H12O3S Molecular Weight:152.21 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: ISOPROPYL ETHAN SULFONATE ;1-Methylethyl Ethanesulfonate; Isopropyl Ethanesulfonate |14245-62-6 is useful as reference Impurity standard. 
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Product Name : ETHYL ETHAN SULFONATE ;Ethanesulfonic Acid Ethyl Ester; Ethylethane Sulfonate: |1912-30-7
Code: JC-BB956 CAS: 1912-30-7 Chemical Formula:C4H10O3S Molecular Weight:138.19 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: ETHYL ETHAN SULFONATE ;Ethanesulfonic Acid Ethyl Ester; Ethylethane Sulfonate: |1912-30-7 is useful as reference Impurity standard. 
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Product Name : DIISOPROPYL ETHANE 1,2-DISULFONATE
Code: JC-BB955 CAS: NA Chemical Formula:C8H18O6S2 Molecular Weight:274.35 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: DIISOPROPYL ETHANE 1,2-DISULFONATE is useful as reference Impurity standard. 
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Product Name : 2-BROMO-4-CHLORO-5-NITROPYRIDINE (LR) ;2-Bromo-4-chloro-5-nitropyridine |1137475-57-0
Code: JC-BB954 CAS: 1137475-57-0 Chemical Formula:C5H2N2O2ClBr Molecular Weight: 237.44 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-BROMO-4-CHLORO-5-NITROPYRIDINE (LR) ;2-Bromo-4-chloro-5-nitropyridine |1137475-57-0 is useful as reference Impurity standard. 
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Product Name : Salicylic acid impurity G |35436-74-9
Code: JC-BB953 CAS: 35436-74-9 Chemical Formula:C10H18N2O4 Molecular Weight: 230.26 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Salicylic acid impurity G |35436-74-9is useful as reference Impurity standard. 
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Product Name : Butyl benzene |104-51-8
Code: JC-BB952 CAS: 104-51-8 Chemical Formula:C10H14 Molecular Weight:134.22 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Butyl benzene |104-51-8 is useful as reference Impurity standard. 
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Product Name : Cumene ;(1-Methylethyl)benzene; 2-Phenylpropane; Cumol; Isopropylbenzene |98-82-8
Code: JC-BB951 CAS: 98-82-8 Chemical Formula:C9H12 Molecular Weight:120.20 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Cumene ;(1-Methylethyl)benzene; 2-Phenylpropane; Cumol; Isopropylbenzene |98-82-8 is useful as reference Impurity standard. 
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Product Name : Propyl benzene ;1-Phenylpropane |103-65-1
Code: JC-BB950 CAS: 103-65-1 Chemical Formula:C9H12 Molecular Weight:120.19 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Propyl benzene ;1-Phenylpropane |103-65-1 is useful as reference Impurity standard. 
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Product Name : L-Isoglutamine ;L-isoglutamine; 4-amino-L-glutaramic acid; (4S)-4,5-Diamino-4-oxo-pentanoic acid | 636-65-7
Code: JC-BB949 CAS: 636-65-7 Chemical Formula:C5H10N2O3 Molecular Weight:146.14 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: L-Isoglutamine ;L-isoglutamine; 4-amino-L-glutaramic acid; (4S)-4,5-Diamino-4-oxo-pentanoic acid | 636-65-7 is useful as reference Impurity standard. 
