Building Blocks
1735 Results Found
Page 45 of 53
Building Blocks (Aliphatic/Aromatic/Heterocyclic/Carbohydrates)
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Product Name : Isobutyramide ; 2-Methylpropionamide | 563-83-7
Code: JC-BB12 CAS: 563-83-7 Chemical Formula:C4H9NO Molecular Weight: 87.12 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Isobutyramide ; 2-Methylpropionamide | 563-83-7 is useful as reference Impurity standard. 
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Product Name : 232} 2-fluoro Trifluoromethyl | 62476-58-5
Code: JC-BB311 CAS: 62476-58-5 Chemical Formula: Molecular Weight: Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:232} 2-fluoro Trifluoromethyl | 62476-58-5 is useful as reference Impurity standard.
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Product Name : 2-Hydroxyisobutyramide; 2-Hydroxy-2-methylpropionamide;13027-88-8
Code: BB310 CAS: 13027-88-8 Chemical Formula:C4H9NO2 Molecular Weight:103.12 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:2-Hydroxyisobutyramide ; 2-Hydroxy-2-methylpropionamide | 13027-88-8 is useful as reference Impurity standard. 
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Product Name : {223} 2-Amino-4-(trifluoromethyl)benzenethiol hydrochloride ;2-Amino-4-(trifluoromethyl)thiophenol hydrochloride ;2-Thio-5-(trifluoromethyl)aniline hydrochloride| 4274-38-8
Code: JC-BB309 CAS: 4274-38-8 Chemical Formula:C7H7ClF3NS Molecular Weight: 229.65 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:{223} 2-Amino-4-(trifluoromethyl)benzenethiol hydrochloride ;2-Amino-4-(trifluoromethyl)thiophenol hydrochloride 2-Thio-5-(trifluoromethyl)aniline hydrochloride| 4274-38-8 is useful as reference Impurity standard.
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Product Name : {222} Iminodibenzyl; 10,11-Dihydro-5H-dibenzo[b,f]azepine; 2,2′-Iminodibenzyl (CAS: 494-19-9)
Code: JC-BB308 CAS: 494-19-9 Chemical Formula: C14H13N Molecular Weight: 195.27 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Status: Limited Stock ; Contact: sales@drjcrbio.com Application: Manufacturer of {222} Iminodibenzyl; 10,11-Dihydro-5H-dibenzo[b,f]azepine; 2,2'-Iminodibenzyl (CAS: 494-19-9) is useful as reference Impurity standard. ![{222} Iminodibenzyl; 10,11-Dihydro-5H-dibenzo[b,f]azepine; 2,2'-Iminodibenzyl (CAS: 494-19-9)](https://drjcrbio.com/wp-content/uploads/JC-BB308.png)
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Product Name : {221} Acridine | 260-94-6
Code: JC-BB307 CAS: 260-94-6 Chemical Formula:C13H9N Molecular Weight: 179.22 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: {221} Acridine | 260-94-6is useful as reference Impurity standard.
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Product Name : {216} Theophylline-7-Acetic acid ; 1,3-Dimethylxanthine-7-acetic Acid Acefylline ; 652-37-9
Code: JC-BB306 CAS: 652-37-9 Chemical Formula: C9H10N4O4 Molecular Weight: 238.20 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:{216} Theophylline-7-Acetic acid ; 1,3-Dimethylxanthine-7-acetic Acid Acefylline ; 652-37-9 is useful as reference Impurity standard.
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Product Name : 3-Chloro-L-Tyrosine ; Monochlorotyrosine;|7423-93-0
Code: JC-BB305 CAS: 7423-93-0 Chemical Formula: C9H10CINO3 Molecular Weight: 215.63 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:3-Chloro-L-Tyrosine ; Monochlorotyrosine;|7423-93-0 is useful as reference Impurity standard.
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Product Name : {212} 3,5-Dichloro-L-Tyrosine ;(S)-2-AMino-3-(3,5-dichloro-4-hydroxyphenyl)propanoic acid L-Tyrosine, 3,5-dichloro- (2S)-2-amino-3-(3,5-dichloro-4-hydroxyphenyl)propanoic acid (2S)-2-amino-3-(3,5-dichloro-4-hydroxyphenyl)propanoicaci 3,5-Dichloro-L-tyrosine USP/EP/BP| 15106-62-4
Code: JC-BB304 CAS: 15106-62-4 Chemical Formula:C9H9Cl2NO3 Molecular Weight: 250.08 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: {212} 3,5-Dichloro-L-Tyrosine ;(S)-2-AMino-3-(3,5-dichloro-4-hydroxyphenyl)propanoic acid L-Tyrosine, 3,5-dichloro- (2S)-2-amino-3-(3,5-dichloro-4-hydroxyphenyl)propanoic acid (2S)-2-amino-3-(3,5-dichloro-4-hydroxyphenyl)propanoicaci 3,5-Dichloro-L-tyrosine USP/EP/BP| 15106-62-4is useful as reference Impurity standard.
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Product Name : JC-BB302 ;JC-BB301 Repeat
Code: JC-BB302 CAS: Chemical Formula: Molecular Weight: Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: is useful as reference Impurity standard.
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Product Name : {209} 2-methyl-3-nitrobenzoic acid ;3-Nitro-o-toluic Acid |1975-50-4
Code: JC-BB301 CAS: 1975-50-4 Chemical Formula: C8H7NO4 Molecular Weight: 181.15 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:{209} 2-methyl-3-nitrobenzoic acid ;3-Nitro-o-toluic Acid |1975-50-4 is useful as reference Impurity standard.
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Product Name : 2, 4-Dihydroxyacetophenone ; 4-Acetylresorcinol Resacetophenone 2,4-DHAP| 89-84-9
Code: JC-BB300 CAS: 89-84-9 Chemical Formula:C8H8O3 Molecular Weight: 152.15 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2, 4-Dihydroxyacetophenone ; 4-Acetylresorcinol Resacetophenone 2,4-DHAP| 89-84-9is useful as reference Impurity standard.
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Product Name : 2, 4-Diacetylresorcinol 2163-12-4
Code: JC-BB299 CAS: 2163-12-4 Chemical Formula: C10H10O4 Molecular Weight: 194.18 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: is useful as reference Impurity standard.
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Product Name : N-(3-Bromo-4-Oxcyclohexyl)acetamide ; N-(3-bromo-4-oxocyclohexyl)acetamide;2-Bromo-4-acetamidocyclohexanone;O-Desmethyl Apixaban Sulfate;Pramipexole Impurity SM-5;Acetamide, N-(3-bromo-4-oxocyclohexyl)- |687639-03-8
Code: JC-BB298 CAS: 687639-03-8 Chemical Formula:C8H12BrNO2 Molecular Weight: 234.09 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: N-(3-Bromo-4-Oxcyclohexyl)acetamide ; N-(3-bromo-4-oxocyclohexyl)acetamide;2-Bromo-4-acetamidocyclohexanone;O-Desmethyl Apixaban Sulfate;Pramipexole Impurity SM-5;Acetamide, N-(3-bromo-4-oxocyclohexyl)- |687639-03-8is useful as reference Impurity standard.
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Product Name : Naphthalen -2- bronic Acid
Code: JC-BB297 CAS: Chemical Formula: Molecular Weight: Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: is useful as reference Impurity standard.
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Product Name : 2-Bromisophthalaldehyde ; 1-Bromo-2,6-diformylbenzene, 2-Bromobenzene-1,3-dialdehyde, 2-Bromobenzene-1,3-dicarboxaldehyde | 79839-49-9
Code: JC-BB296 CAS: 79839-49-9 Chemical Formula:C8H5BrO2 Molecular Weight:213.03 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:2-Bromisophthalaldehyde ; 1-Bromo-2,6-diformylbenzene, 2-Bromobenzene-1,3-dialdehyde, 2-Bromobenzene-1,3-dicarboxaldehyde | 79839-49-9 is useful as reference Impurity standard.
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Product Name : 4-Amino-4H – 1, 2, 4-Triazole ; 4H-1,2,4-Triazol-4-amine |584-13-4
Code: JC-BB295 CAS: 584-13-4 Chemical Formula: C₂H₄N₄ Molecular Weight: 84.08 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:4-Amino-4H - 1, 2, 4-Triazole ; 4H-1,2,4-Triazol-4-amine |584-13-4 is useful as reference Impurity standard.
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Product Name : 1H-1, 2, 4 – Triazole | 288-88-0
Code: Jc-BB294 CAS: 288-88-0 Chemical Formula:C2H3N3 Molecular Weight: 69.07 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:1H-1, 2, 4 - Triazole | 288-88-0 is useful as reference Impurity standard.
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Product Name : NE-2 monomer of NB-6 Isomer A : 6-Fluoro-3,4-Dihydro 2-oxiramyl-2H-1-Benzopyran
Code: JC-BB292 CAS: Chemical Formula: Molecular Weight: Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: is useful as reference Impurity standard.
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Product Name : Uridine Compound ; 1-beta-D-Ribofuranosyluracil Uracil riboside|58-96-8
Code: JC-BB291 CAS: 58-96-8 Chemical Formula: C9H12N2O6 Molecular Weight:244.20 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Uridine Compound ; 1-beta-D-Ribofuranosyluracil Uracil riboside|58-96-8 is useful as reference Impurity standard.
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Product Name : Nitro N-oxide 2,3-dimethyl-4-nitropyridine-N-oxide ;4-Nitro-2,3-lutidine N-Oxide|37699-43-7
Code: JC-BB290 CAS: 37699-43-7 Chemical Formula: C7H8N2O3 Molecular Weight: 168.15 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Nitro N-oxide 2,3-dimethyl-4-nitropyridine-N-oxide ;4-Nitro-2,3-lutidine N-Oxide|37699-43-7 is useful as reference Impurity standard.
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Product Name : Pantomercapto Compound
Code: JC-BB289 CAS: Chemical Formula: Molecular Weight: Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: is useful as reference Impurity standard.
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Product Name : 5-Cyanophthalide ; 1-oxo-1,3-dihydroisobenzofuran-5-carbonitrile | 82104-74-3
Code: JC-BB288 CAS: 82104-74-3 Chemical Formula: C9H5NO2 Molecular Weight: 159.14 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:5-Cyanophthalide ; 1-oxo-1,3-dihydroisobenzofuran-5-carbonitrile | 82104-74-3 is useful as reference Impurity standard.
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Product Name : 4-(phenylthio)benzaldehyde |1208-88-4
Code: JC-BB287 CAS: 1208-88-4 Chemical Formula: C13H10OS Molecular Weight: 214.28 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:4-(phenylthio)benzaldehyde |1208-88-4 is useful as reference Impurity standard.
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Product Name : methyl 2-(2-iodophenyl)acetate |66370-75-0
Code: JC-BB286 CAS: 66370-75-0 Chemical Formula: C9H9IO2 Molecular Weight: 276.07 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: methyl 2-(2-iodophenyl)acetate |66370-75-0is useful as reference Impurity standard.
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Product Name : chemicals ; 6972-77-6 ; 2-cyano-N-(methylcarbmoyl)acetamide
Code: JC-BB285 CAS: 6972-77-6 Chemical Formula:C5H7N3O2 Molecular Weight: 141,73 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: is useful as reference Impurity standard.
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Product Name : Isopropyl P-Toluene Sulfonate; Isopropyl p-tosylate (CAS: 2307-69-9)
Code: JC-BB284 CAS: 2307-69-9 Chemical Formula: C10H14O3S Molecular Weight:214.28 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Status: Limited Stock; Contact for availability sales@drjcrbio.com Application: Manufacturer of Isopropyl P-Toluene Sulfonate; Isopropyl p-tosylate (CAS: 2307-69-9) is useful as reference Impurity standard. 
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Product Name : 4-Ethoxyphenylboronic Acid (contains varying amounts of Anhydride)/22237-13-4
Code: JC-BB281 CAS: 22237-13-4 Chemical Formula: C8H11BO3 Molecular Weight:165.98 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: {201} 4-Ehtoxy Phenyl boronic acid;4-Ethoxybenzeneboronic Acid (contains varying amounts of Anhydride)| 22237-13-4is useful as reference Impurity standard. 
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Product Name : {200} 452-70-0; 4-Fluoro-3-methylphenol NOT USED
Code: JC-BB280 CAS: Chemical Formula: Molecular Weight: Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: is useful as reference Impurity standard.
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Product Name : {156} 3,4-Dichloro phenyl Acetic acid ;5807-30-7
Code: JC-BB279 CAS: 5807-30-7 Chemical Formula:Cl2C6H3CH2CO2H Molecular Weight: 205.04 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: {156} 3,4-Dichloro phenyl Acetic acid ;5807-30-7 is useful as reference Impurity standard.
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Product Name : Benzyl cyanide; Phenyl Acetonitrile; α-Cyanotoluene; α-Tolunitrile (CAS: 140-29-4)
Code: JC-BB278 CAS: 140-29-4 Chemical Formula: C8H7N Molecular Weight: 117.15 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Status: Limited stock; Contact sales@drjcrbio.com Application: Manufacturer of Benzyl cyanide; Phenyl Acetonitrile; α-Cyanotoluene; α-Tolunitrile (CAS: 140-29-4) is useful as reference Impurity standard. 
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Product Name : Isopropyl Stearate | 112-10-7
Code: JC-BB277 CAS: 112-10-7 Chemical Formula:C21H42O2 Molecular Weight:326.568 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Isopropyl Stearate | 112-10-7 is useful as reference Impurity standard.
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Product Name : Niacinamide ; Niacinamide, Vitamin PP, Nicotinic acid amide, Vitamin B3, Pyridine-3-carboxylic acid amide | 98-92-0
Code: JC-BB276 CAS: 98-92-0 Chemical Formula:C6H6N2O Molecular Weight: 122.12 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Niacinamide ; Niacinamide, Vitamin PP, Nicotinic acid amide, Vitamin B3, Pyridine-3-carboxylic acid amide | 98-92-0 is useful as reference Impurity standard. 
