Building Blocks
1618 Results Found
Page 29 of 50
Building Blocks (Aliphatic/Aromatic/Heterocyclic/Carbohydrates)
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Product Name : (R,E)-5-([1,1′-Biphenyl]-4-yl)-4-((tert-butoxycarbonyl)amino)-2-methylpent-2-enoic acid |1012341-48-8
Code: JC-BB725 CAS: 1012341-48-8 Chemical Formula: C23H27NO4 Molecular Weight: 381.46 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: (R,E)-5-([1,1'-Biphenyl]-4-yl)-4-((tert-butoxycarbonyl)amino)-2-methylpent-2-enoic acid |1012341-48-8 is useful as reference Impurity standard. ![(R,E)-5-([1,1'-Biphenyl]-4-yl)-4-((tert-butoxycarbonyl)amino)-2-methylpent-2-enoic acid |1012341-48-8](https://drjcrbio.com/wp-content/uploads/1012341-48-8.png)
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Product Name : Lorazepam 2-Iodo-N-(4-Chloro-2-(2-Chlorobenzoyl) phenyl acetamide Impurity ;N-(4-chloro-2-(2-chlorobenzoyl)phenyl)-2-iodoacetamide
Code: JC-BB724 CAS: NA Chemical Formula: Molecular Weight: Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Lorazepam 2-Iodo-N-(4-Chloro-2-(2-Chlorobenzoyl) phenyl acetamide Impurity ;N-(4-chloro-2-(2-chlorobenzoyl)phenyl)-2-iodoacetamide is useful as reference Impurity standard. 
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Product Name : 1 acetyl 2 Pyrrolidone ;1-Acetylpyrrolidin-2-one, |932-17-2
Code: JC-BB723 CAS: 932-17-2 Chemical Formula: C6H9NO2 Molecular Weight: 127.14 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1 acetyl 2 Pyrrolidone ;1-Acetylpyrrolidin-2-one, |932-17-2 is useful as reference Impurity standard. 
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Product Name : 4’-Methyl-4-cyanobiphenyl |50670-50-3
Code: JC-BB722 CAS: 50670-50-3 Chemical Formula: C14H11N Molecular Weight: 193.24 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 4’-Methyl-4-cyanobiphenyl |50670-50-3 is useful as reference Impurity standard. 
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Product Name : 4,4’-Dimethyl biphenyl ;4,4′-Dimethyldiphenyl, | 613-33-2
Code: JC-BB721 CAS: 613-33-2 Chemical Formula: C14H14 Molecular Weight: 182.26 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 4,4’-Dimethyl biphenyl ;4,4'-Dimethyldiphenyl, | 613-33-2 is useful as reference Impurity standard. 
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Product Name : 3,4-Dimethoxyphenyl)Acetonitrile ;3,4-Dimethoxybenzylcyanide, (3,4-Dimethoxyphenyl)acetonitrile, Homoveratronitrile |93-17-4
Code: JC-BB720 CAS: 93-17-4 Chemical Formula: C10H11NO2 Molecular Weight: 177.2 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 3,4-Dimethoxyphenyl)Acetonitrile ;3,4-Dimethoxybenzylcyanide, (3,4-Dimethoxyphenyl)acetonitrile, Homoveratronitrile |93-17-4 is useful as reference Impurity standard. 
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Product Name : Methyl 2-(4-Hydrazinylphenyl)acetate Hydrochloride ;(4-Hydrazinylphenyl)acetic Acid Methyl Ester Hydrochloride; 252752-46-8
Code: JC-BB719 CAS: 252752-46-8 Chemical Formula: C9H13ClN2O2 Molecular Weight: 216.67 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Methyl 2-(4-Hydrazinylphenyl)acetate Hydrochloride ;(4-Hydrazinylphenyl)acetic Acid Methyl Ester Hydrochloride; 252752-46-8 is useful as reference Impurity standard. 
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Product Name : 4-(4-MethylPhenyl)-1-Butanol ; Benzenebutanol, 4-Phenylbutyl alcohol, Phenylbutyl alcohol, | 3360-41-6
Code: JC-BB718 CAS: 3360-41-6 Chemical Formula: C10H14O Molecular Weight: 150.22 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 4-(4-MethylPhenyl)-1-Butanol ; Benzenebutanol, 4-Phenylbutyl alcohol, Phenylbutyl alcohol, | 3360-41-6 is useful as reference Impurity standard. 
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Product Name : 2,2’-2-Hydroxylpropane-1,3-diyl)bis(1H-isoindole-1,3-(2H)-dione | 73825-95-3
Code: JC-BB717 CAS: 73825-95-3 Chemical Formula: C19H14N2O5 Molecular Weight: 350.32 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2,2’-2-Hydroxylpropane-1,3-diyl)bis(1H-isoindole-1,3-(2H)-dione | 73825-95-3 is useful as reference Impurity standard. 
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Product Name : 4-Phenyl Morpholine-3-one ; 4-Phenyl Morpholine-3-one | 29518-11-4
Code: JC-BB716 CAS: 29518-11-4 Chemical Formula: C10H11NO2 Molecular Weight: 177.2 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 4-Phenyl Morpholine-3-one ; 4-Phenyl Morpholine-3-one | 29518-11-4 is useful as reference Impurity standard. 
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Product Name : N,N-dimethyl-2-phenoxyethanamine |13468-02-5
Code: JC-BB715 CAS: 13468-02-5 Chemical Formula: C10H15NO Molecular Weight: 165.24 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: N,N-dimethyl-2-phenoxyethanamine |13468-02-5 is useful as reference Impurity standard. 
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Product Name : PHENYL N-(2-CHLORO PHENYL ) CARBAMATE ; phenyl N-(2-chlorophenyl)carbamate | 65141-02-8
Code: JC-BB714 CAS: 65141-02-8 Chemical Formula: C13H10ClNO2 Molecular Weight: 247.68 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: PHENYL N-(2-CHLORO PHENYL ) CARBAMATE ; phenyl N-(2-chlorophenyl)carbamate | 65141-02-8 is useful as reference Impurity standard. 
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Product Name : 9-β-D-Arabinofuranosyl guanine ; 2-Amino-9-β-D-arabinofuranosyl-1,9-dihydro-6H-purin-6-one; 2-Amino-6-hydroxy-9-(β-D-arabinofuranosyl)purine; 9-β-D-Arabinofuranosylguanine |38819-10-2
Code: JC-BB713 CAS: 38819-10-2 Chemical Formula: C10H13N5O5 Molecular Weight: 283.24 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 9-β-D-Arabinofuranosyl guanine ; 2-Amino-9-β-D-arabinofuranosyl-1,9-dihydro-6H-purin-6-one; 2-Amino-6-hydroxy-9-(β-D-arabinofuranosyl)purine; 9-β-D-Arabinofuranosylguanine |38819-10-2 is useful as reference Impurity standard. 
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Product Name : ELM-I; N-Methyl-2-Fluoro-4-nitrobenzamide ; N-Methyl-2-Fluoro-4-nitrobenzamide | 915087-24-0
Code: JC-BB712 CAS: 915087-24-0 Chemical Formula: C₈H₇FN₂O₃ Molecular Weight: 198.15 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: ELM-I; N-Methyl-2-Fluoro-4-nitrobenzamide ; N-Methyl-2-Fluoro-4-nitrobenzamide | 915087-24-0 is useful as reference Impurity standard. 
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Product Name : BME: 4-Bromo-but-2-enoic acid methyl ester ; Methyl 4-bromobut-2-enoate |1117-71-1
Code: JC-BB711 CAS: 1117-71-1 Chemical Formula: C5H7BrO2 Molecular Weight: 179.01 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: BME: 4-Bromo-but-2-enoic acid methyl ester ; Methyl 4-bromobut-2-enoate |1117-71-1 is useful as reference Impurity standard. 
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Product Name : Crotonic acid; Trans-2-butenoic acid crotonoic acid; trans-2-Butenoic acid | 107-93-7
Code: JC-BB710 CAS: 107-93-7 Chemical Formula: C4H6O2 Molecular Weight: 86.09 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Crotonic acid; Trans-2-butenoic acid crotonoic acid; trans-2-Butenoic acid | 107-93-7 is useful as reference Impurity standard. 
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Product Name : n-Dodecane ;Dodecane |112-40-3
Code: JC-BB709 CAS: 112-40-3 Chemical Formula: C12 H26 Molecular Weight: 170.34 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: n-Dodecane ;Dodecane |112-40-3 is useful as reference Impurity standard. 
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Product Name : Dihydrouridine Impurity ;1-((2R,3R,4S,5R)-3,4-Dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)dihydropyrimidine-2,4(1H,3H)-dione |5627-05-4
Code: JC-BB708 CAS: 5627-05-4 Chemical Formula: C9H14N2O6 Molecular Weight: 246.22 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Dihydrouridine Impurity ;1-((2R,3R,4S,5R)-3,4-Dihydroxy-5-(hydroxymethyl)tetrahydrofuran-2-yl)dihydropyrimidine-2,4(1H,3H)-dione |5627-05-4 is useful as reference Impurity standard. 
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Product Name : Benzenesulfonic acid ;Benzenesulfonic acid | 98-11-3
Code: JC-BB707 CAS: 98-11-3 Chemical Formula: C6H6O3S Molecular Weight: 158.17 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Benzenesulfonic acid ;Benzenesulfonic acid | 98-11-3 is useful as reference Impurity standard. 
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Product Name : 1-Methoxy methyl imidazole ;1-(Methoxymethyl)-1H-imidazole | 20075-26-7
Code: JC-BB706 CAS: 20075-26-7 Chemical Formula: C5H8N2O Molecular Weight: 112.13 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1-Methoxy methyl imidazole ;1-(Methoxymethyl)-1H-imidazole | 20075-26-7 is useful as reference Impurity standard. 
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Product Name : Poly(allylamine Hydrochloride) | 71550-12-4
Code: JC-BB705 CAS: 71550-12-4 Chemical Formula: C3H8ClN Molecular Weight: 93.55 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Poly(allylamine Hydrochloride) | 71550-12-4 is useful as reference Impurity standard. 
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Product Name : Allyl chloride ; Allyl chloride ;3-Chloro-1-propene, Chlorallylene | 107-05-1
Code: JC-BB704 CAS: 107-05-1 Chemical Formula: C3H5Cl Molecular Weight: 76.53 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Allyl chloride ; Allyl chloride;3-Chloro-1-propene, Chlorallylene | 107-05-1 is useful as reference Impurity standard. 
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Product Name : Dimethyl Fumerate |624-49-7
Code: JC-BB703 CAS: 624-49-7 Chemical Formula: C6H8O4 Molecular Weight: 144.13 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Dimethyl Fumerate |624-49-7 is useful as reference Impurity standard. 
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Product Name : (1-Iminopentyl)Glycine ;2-Pentanimidamidoacetic Acid |193140-43-1
Code: JC-BB702 CAS: 193140-43-1 Chemical Formula: C7H14N2O2 Molecular Weight: 158.2 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: (1-Iminopentyl)Glycine ;2-Pentanimidamidoacetic Acid |193140-43-1 is useful as reference Impurity standard. 
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Product Name : Benzofuran -2-( 3H) -one ;2,3-Dihydrobenzofuran-2-one; 2-Benzofuranone; 2-Coumaranone; |553-86-6
Code: JC-BB701 CAS: 553-86-6 Chemical Formula: C8H6O2 Molecular Weight: 134.13 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Benzofuran -2-( 3H) -one ;2,3-Dihydrobenzofuran-2-one; 2-Benzofuranone; 2-Coumaranone; |553-86-6 is useful as reference Impurity standard. 
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Product Name : 4 HYDROXYANTHRANILIC ACID ;2-Amino-4-hydroxybenzoic acid; |38160-63-3
Code: JC-BB700 CAS: 38160-63-3 Chemical Formula: C7H7NO3 Molecular Weight: 153.14 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 4 HYDROXYANTHRANILIC ACID ;2-Amino-4-hydroxybenzoic acid; |38160-63-3 is useful as reference Impurity standard. 
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Product Name : 1-(2-Hydroxyethyl)piperazine ;Piperazine-1-ethanol, 2-Piperazinoethanol |103-76-4
Code: JC-BB699 CAS: 103-76-4 Chemical Formula: C6H14N2O Molecular Weight: 130.19 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1-(2-Hydroxyethyl)piperazine ;Piperazine-1-ethanol, 2-Piperazinoethanol |103-76-4 is useful as reference Impurity standard. 
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Product Name : 2-bromo-4-nitro phenol ;2-Bromo-4-nitrophenol | 5847-59-6
Code: JC-BB698 CAS: 5847-59-6 Chemical Formula: C6H4BrNO3 Molecular Weight: 218.00 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-bromo-4-nitro phenol ;2-Bromo-4-nitrophenol | 5847-59-6 is useful as reference Impurity standard. 
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Product Name : 4-bromo-2-nitro phenol ;4-Bromo-2-nitrophenol |7693-52-9
Code: JC-BB697 CAS: 7693-52-9 Chemical Formula: C6H4BrNO3 Molecular Weight: 218.00 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 4-bromo-2-nitro phenol ;4-Bromo-2-nitrophenol |7693-52-9 is useful as reference Impurity standard. 
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Product Name : 2-Carboxy phenyl boronic acid ;2-Carboxyphenylboronic Acid | 149105-19-1
Code: JC-BB696 CAS: 149105-19-1 Chemical Formula: C7H7BO4 Molecular Weight: 165.94 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-Carboxy phenyl boronic acid ;2-Carboxyphenylboronic Acid | 149105-19-1 is useful as reference Impurity standard. 
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Product Name : (4, 4′-bis(bromomethyl) biphenyl) | 20248-86-6
Code: JC-BB695 CAS: 20248-86-6 Chemical Formula: C14H12Br2 Molecular Weight: 340.05 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: (4, 4'-bis(bromomethyl) biphenyl) | 20248-86-6 is useful as reference Impurity standard. 
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Product Name : Nonane RR Isomer ;(R, R)-2, 8-Diazabicyclo [4.3.0] nonane |147459-51-6
Code: JC-BB694 CAS: 147459-51-6 Chemical Formula: C7H14N2 Molecular Weight: 126.20 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Nonane RR Isomer ;(R, R)-2, 8-Diazabicyclo [4.3.0] nonane |147459-51-6 is useful as reference Impurity standard. ![Nonane RR Isomer ;(R, R)-2, 8-Diazabicyclo [4.3.0] nonane |147459-51-6](https://drjcrbio.com/wp-content/uploads/147459-51-6.png)
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Product Name : Dimer impurity ;Bis (3, 4-dimethoxyphenyl) amino hydrochloride
Code: JC-BB693 CAS: NA Chemical Formula: Molecular Weight: Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Dimer impurity ;Bis (3, 4-dimethoxyphenyl) amino hydrochlorideis useful as reference Impurity standard. 
