Building Blocks
1618 Results Found
Page 25 of 50
Building Blocks (Aliphatic/Aromatic/Heterocyclic/Carbohydrates)
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Product Name : 4-Phenylmorpholin-3-one |29518-11-4
Code: BB858 CAS: 29518-11-4 Chemical Formula:C10H11NO2 Molecular Weight:177.20 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 4-Phenylmorpholin-3-one |29518-11-4 is useful as reference Impurity standard. 
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Product Name : 2-Anilinoethanol | 122-98-5
Code: BB857 CAS: 122-98-5 Chemical Formula:C8H11NO Molecular Weight:137.18 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-Anilinoethanol | 122-98-5 is useful as reference Impurity standard. 
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Product Name : 3-chloropyrrolidine |10603-49-3
Code: JC-BB856 CAS: 10603-49-3 Chemical Formula: C4H8ClN Molecular Weight: 105.57 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 3-chloropyrrolidine |10603-49-3 is useful as reference Impurity standard. 
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Product Name : Glyceryl iodide ;3-Iodo-1,2-propanediol |554-10-9
Code: JC-BB855 CAS: 554-10-9 Chemical Formula:C₃H₇IO₂ Molecular Weight:201.99 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Glyceryl iodide ;3-Iodo-1,2-propanediol |554-10-9 is useful as reference Impurity standard. 
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Product Name : Thioperoxydicarbonic diamide ([(H2N)C(S)]2S2), N,N,N’,N’-tetrakis(1-methylethyl) ;Bis(diisopropylthiocarbamoyl) Disulfide |4136-91-8
Code: JC-BB854 CAS: 4136-91-8 Chemical Formula: C14H28N2S4 Molecular Weight:352.63 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Thioperoxydicarbonic diamide ([(H2N)C(S)]2S2), N,N,N',N'-tetrakis(1-methylethyl) ;Bis(diisopropylthiocarbamoyl) Disulfide |4136-91-8 is useful as reference Impurity standard. ![Thioperoxydicarbonic diamide ([(H2N)C(S)]2S2), N,N,N',N'-tetrakis(1-methylethyl) ;Bis(diisopropylthiocarbamoyl) Disulfide |4136-91-8](https://drjcrbio.com/wp-content/uploads/4136-91-8.png)
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Product Name : N-nitroso-1,2,3,6-tetrahydropyridine ;1,2,3,6-tetrahydro-1-nitroso-;1,2,5,6-Tetrahydro-1-nitrosopyridine; |55556-92-8
Code: JC-BB853 CAS: 55556-92-8 Chemical Formula:C5H8N2O Molecular Weight:112.13 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: N-nitroso-1,2,3,6-tetrahydropyridine ;1,2,3,6-tetrahydro-1-nitroso-;1,2,5,6-Tetrahydro-1-nitrosopyridine; |55556-92-8 is useful as reference Impurity standard. 
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Product Name : 5-Acetyl-2-amino-4-methylthiazole |30748-47-1
Code: JC-BB852 CAS: 30748-47-1 Chemical Formula: C6H8N2OS Molecular Weight:156.20 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 5-Acetyl-2-amino-4-methylthiazole |30748-47-1 is useful as reference Impurity standard. 
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Product Name : 2-Deoxycytidine 5’-monophosphate ;Deoxycytidylic acid |1032-65-1
Code: JC-BB851 CAS: 1032-65-1 Chemical Formula:C9H14N3O7Pt Molecular Weight: 307.20 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-Deoxycytidine 5’-monophosphate ;Deoxycytidylic acid |1032-65-1 is useful as reference Impurity standard. 
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Product Name : (2,6-difluorophenoxy)acetic acid ;2,6-difluorophenoxyacetic acid |363-45-1
Code: JC-BB850 CAS: 363-45-1 Chemical Formula:C8H6F2O3 Molecular Weight:188.131 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: (2,6-difluorophenoxy)acetic acid ;2,6-difluorophenoxyacetic acid |363-45-1 is useful as reference Impurity standard. 
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Product Name : methyl[(1S)-1-phenylpropyl]amine ;methyl[(1S)-1-phenylpropyl]amine | 20218-56-8
Code: JC-BB849 CAS: 20218-56-8 Chemical Formula: C10H15N Molecular Weight:149.24 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: methyl[(1S)-1-phenylpropyl]amine ;methyl[(1S)-1-phenylpropyl]amine | 20218-56-8 is useful as reference Impurity standard. ![methyl[(1S)-1-phenylpropyl]amine ;methyl[(1S)-1-phenylpropyl]amine | 20218-56-8](https://drjcrbio.com/wp-content/uploads/20218-56-8.png)
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Product Name : (2-Fluorophenoxy)acetic acid ;(2-Fluorophenoxy)acetic acid ;348-10-7
Code: JC-BB848 CAS: 348-10-7 Chemical Formula:C8H7FO3 Molecular Weight:170.14 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: (2-Fluorophenoxy)acetic acid ;(2-Fluorophenoxy)acetic acid ;348-10-7 is useful as reference Impurity standard. 
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Product Name : 2-((2,3-Dihydro-1H-inden-5-yl)oxy)acetic acid ;(2,3-Dihydro-1H-inden-5-yloxy)acetic Acid |1878-58-6
Code: JC-BB847 CAS: 1878-58-6 Chemical Formula:C11H12O3 Molecular Weight: 192.21 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-((2,3-Dihydro-1H-inden-5-yl)oxy)acetic acid ;(2,3-Dihydro-1H-inden-5-yloxy)acetic Acid |1878-58-6 is useful as reference Impurity standard. 
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Product Name : 2-(2,3-dihydro-1H-inden-5-yloxy)propanoic acid ;2-(2,3-dihydro-1H-inden-5-yloxy)propanoic Acid |91496-98-9
Code: JC-BB846 CAS: 91496-98-9 Chemical Formula:C12H14O3 Molecular Weight: 206.24 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-(2,3-dihydro-1H-inden-5-yloxy)propanoic acid ;2-(2,3-dihydro-1H-inden-5-yloxy)propanoic Acid |91496-98-9 is useful as reference Impurity standard. 
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Product Name : 4-Chlorophenoxyacetic acid ;2-(p-Chlorophenoxy)acetic Acid; |122-88-3
Code: JC-BB845 CAS: 122-88-3 Chemical Formula:C8H7ClO3 Molecular Weight: 186.59 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 4-Chlorophenoxyacetic acid ;2-(p-Chlorophenoxy)acetic Acid; |122-88-3 is useful as reference Impurity standard. 
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Product Name : (1S)-1-phenylpropan-1-amine ;(S)-(-)-α-Ethylbenzylamine; (S)-1-Phenylpropan-1-amine; |3789-59-1
Code: JC-BB844 CAS: 3789-59-1 Chemical Formula: C9H13N Molecular Weight:135.21 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: (1S)-1-phenylpropan-1-amine ;(S)-(-)-α-Ethylbenzylamine; (S)-1-Phenylpropan-1-amine; |3789-59-1 is useful as reference Impurity standard. 
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Product Name : 2-[1-[(tert-Butoxy)carbonyl]pyrrolidin-2-yl]acetic acid ;1-[(1,1-Dimethylethoxy)carbonyl]-2-pyrrolidineacetic Acid; 2-(1-(tert-Butoxycarbonyl)pyrrolidin-2-yl)acetic Acid; |194154-91-1
Code: JC-BB843 CAS: 194154-91-1 Chemical Formula:C11H19NO4 Molecular Weight:229.27 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-[1-[(tert-Butoxy)carbonyl]pyrrolidin-2-yl]acetic acid ;1-[(1,1-Dimethylethoxy)carbonyl]-2-pyrrolidineacetic Acid; 2-(1-(tert-Butoxycarbonyl)pyrrolidin-2-yl)acetic Acid; |194154-91-1 is useful as reference Impurity standard. ![2-[1-[(tert-Butoxy)carbonyl]pyrrolidin-2-yl]acetic acid ;1-[(1,1-Dimethylethoxy)carbonyl]-2-pyrrolidineacetic Acid; 2-(1-(tert-Butoxycarbonyl)pyrrolidin-2-yl)acetic Acid; |194154-91-1](https://drjcrbio.com/wp-content/uploads/194154-91-1.png)
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Product Name : (Gadolinium(III) trifluoromethanesulfonate ;Gadolinium Trifluoromethanesulfonate |52093-29-5
Code: JC-BB842 CAS: 52093-29-5 Chemical Formula:C3F9GdO9S3 Molecular Weight: 604.46 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: (Gadolinium(III) trifluoromethanesulfonate ;Gadolinium Trifluoromethanesulfonate |52093-29-5 is useful as reference Impurity standard. 
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Product Name : Methyl 4,6-dibromo-3-hydroxypicolinate |321596-55-8
Code: JC-BB841 CAS: 321596-55-8 Chemical Formula:C7H5Br2NO3 Molecular Weight: 310.94 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Methyl 4,6-dibromo-3-hydroxypicolinate |321596-55-8 is useful as reference Impurity standard. 
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Product Name : 1-Bromo-3-ethyladamantane ;1-Ethyl-3-bromoadamantane | 878-61-5
Code: JC-BB840 CAS: 878-61-5 Chemical Formula: C12H19Br Molecular Weight: 243.18 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1-Bromo-3-ethyladamantane ;1-Ethyl-3-bromoadamantane | 878-61-5 is useful as reference Impurity standard. 
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Product Name : 1-Bromo-3-methyladamantane| 702-77-2
Code: JC-BB839 CAS: 702-77-2 Chemical Formula:C11H17Br Molecular Weight: 229.16 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1-Bromo-3-methyladamantane| 702-77-2 is useful as reference Impurity standard. 
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Product Name : 3-(2-Chlorophenyl)cyclobutanone ;3-(2-Chlorophenyl)cyclobutanone 1080636-35-6
Code: JC-BB838 CAS: 1080636-35-6 Chemical Formula: C10H9OCl Molecular Weight: 180.63 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 3-(2-Chlorophenyl)cyclobutanone; 3-(2-Chlorophenyl)cyclobutanone 1080636-35-6 is useful as reference Impurity standard. 
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Product Name : 2-Azido-1,3-dimethylimidazolinium hexafluorophosphate ;2-Azido-4,5-dihydro-1,3-dimethyl-1H-Imidazolium Hexafluorophosphate(1-); 1266134-54-6
Code: JC-BB837 CAS: 1266134-54-6 Chemical Formula: Molecular Weight: Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-Azido-1,3-dimethylimidazolinium hexafluorophosphate ;2-Azido-4,5-dihydro-1,3-dimethyl-1H-Imidazolium Hexafluorophosphate(1-); 1266134-54-6 is useful as reference Impurity standard. 
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Product Name : 4,5,6-TRIFLUOROPYRIMIDINE (LR) ;4,5,6-Trifluoro-pyrimidine| 17573-78-3
Code: JC-BB836 CAS: 17573-78-3 Chemical Formula: C4HF3N2 Molecular Weight: 134.06 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 4,5,6-TRIFLUOROPYRIMIDINE (LR) ;4,5,6-Trifluoro-pyrimidine| 17573-78-3 is useful as reference Impurity standard. 
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Product Name : 4-Hydroxy-D-(-)-2-phenylglycine Synonyms:(R)-(-)-2-Amino-2-(4-hydroxyphenyl)acetic Acid D-(-)-2-(4-Hydroxyphenyl)glycine H-D-Phg(4-OH)-OH |22818-40-2
Code: JC-BB835 CAS: 22818-40-2 Chemical Formula: C8H9NO3 Molecular Weight: 167.16 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 4-Hydroxy-D-(-)-2-phenylglycine Synonyms:(R)-(-)-2-Amino-2-(4-hydroxyphenyl)acetic Acid D-(-)-2-(4-Hydroxyphenyl)glycine H-D-Phg(4-OH)-OH |22818-40-2 is useful as reference Impurity standard. 
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Product Name : Obeticholic Acid – Beta hydroxy isomer ;(R)-4-((3R,5S,6R,7S,8S,9S,10S,13R,14S,17R)-6-Ethyl-3,7-dihydroxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic Acid; 865244-30-0
Code: JC-BB834 CAS: 865244-30-0 Chemical Formula: C26H44O4 Molecular Weight: 420.22 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Obeticholic Acid – Beta hydroxy isomer ;(R)-4-((3R,5S,6R,7S,8S,9S,10S,13R,14S,17R)-6-Ethyl-3,7-dihydroxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic Acid; 865244-30-0 is useful as reference Impurity standard. ![Obeticholic Acid – Beta hydroxy isomer ;(R)-4-((3R,5S,6R,7S,8S,9S,10S,13R,14S,17R)-6-Ethyl-3,7-dihydroxy-10,13-dimethylhexadecahydro-1H-cyclopenta[a]phenanthren-17-yl)pentanoic Acid; 865244-30-0](https://drjcrbio.com/wp-content/uploads/865244-30-0.png)
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Product Name : 2-[(4-Chloro-2-nitrophenyl)amino]benzoic ;2-[(4-Chloro-2-nitrophenyl)amino]benzoic Acid |60091-87-4
Code: JC-BB833 CAS: 60091-87-4 Chemical Formula:C13H9ClN2O4 Molecular Weight: 292.68 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-[(4-Chloro-2-nitrophenyl)amino]benzoic ;2-[(4-Chloro-2-nitrophenyl)amino]benzoic Acid |60091-87-4 is useful as reference Impurity standard. ![2-[(4-Chloro-2-nitrophenyl)amino]benzoic ;2-[(4-Chloro-2-nitrophenyl)amino]benzoic Acid |60091-87-4](https://drjcrbio.com/wp-content/uploads/60091-87-4.png)
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Product Name : 1,2-Dipropoxybenzene |6280-98-4
Code: JC-BB832 CAS: 6280-98-4 Chemical Formula: C12H18O2 Molecular Weight:194.27 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1,2-Dipropoxybenzene |6280-98-4 is useful as reference Impurity standard. 
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Product Name : Methylphenidate Nitroso impurity ;Methylphenidate Nitroso impurity methyl 2-(1-nitrosopiperidin-2-yl)-2-phenylacetate
Code: JC-BB831 CAS: NA Chemical Formula: C14H18N2O3 Molecular Weight: 262.31 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Methylphenidate Nitroso impurity ;Methylphenidate Nitroso impurity methyl 2-(1-nitrosopiperidin-2-yl)-2-phenylacetateis useful as reference Impurity standard. 
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Product Name : Dexmethylphenidate Nitroso impurity; Dexmethylphenidate nitroso Impurity methyl (R)-2-((R)-1-nitrosopiperidin-2-yl)-2-phenylacetate
Code: JC-BB830 CAS: NA Chemical Formula: C14H18N2O3 Molecular Weight:262.31 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Dexmethylphenidate Nitroso impurity ;Dexmethylphenidate nitroso Impurity methyl (R)-2-((R)-1-nitrosopiperidin-2-yl)-2-phenylacetateis useful as reference Impurity standard. 
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Product Name : (3aR,4S,5R,6aS)-5-Hydroxy-4-(hydroxymethyl)hexahydro-2H-cyclopenta[b]furan-2-one |32233-40-2
Code: JC-BB829 CAS: 32233-40-2 Chemical Formula: C8H12O4 Molecular Weight: 172.18 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: (3aR,4S,5R,6aS)-5-Hydroxy-4-(hydroxymethyl)hexahydro-2H-cyclopenta[b]furan-2-one |32233-40-2 is useful as reference Impurity standard. ![(3aR,4S,5R,6aS)-5-Hydroxy-4-(hydroxymethyl)hexahydro-2H-cyclopenta[b]furan-2-one |32233-40-2](https://drjcrbio.com/wp-content/uploads/32233-40-2.png)
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Product Name : 4,5-DIMETHOXYBENZENE-1,2-DIAMINE ;1,2-Diamino-4,5-dimethoxybenzene;27841-33-4
Code: JC-BB828 CAS:27841-33-4 Chemical Formula: C8H12N2O2 Molecular Weight: 168.19 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 4,5-DIMETHOXYBENZENE-1,2-DIAMINE ;1,2-Diamino-4,5-dimethoxybenzene;27841-33-4 is useful as reference Impurity standard. 
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Product Name : 6-Bromo-4-methoxypyrazolo[1,5-a]pyridine-3-carbonitrile;6-Bromo-4-methoxypyrazolo[1,5-a]pyridine-3-carbonitrile|1207836-10-9
Code: JC-BB827 CAS: 1207836-10-9 Chemical Formula: C9H6BrN3O Molecular Weight: 252.07 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 6-Bromo-4-methoxypyrazolo[1,5-a]pyridine-3-carbonitrile;6-Bromo-4-methoxypyrazolo[1,5-a]pyridine-3-carbonitrile|1207836-10-9 is useful as reference Impurity standard. ![6-Bromo-4-methoxypyrazolo[1,5-a]pyridine-3-carbonitrile;6-Bromo-4-methoxypyrazolo[1,5-a]pyridine-3-carbonitrile|1207836-10-9](https://drjcrbio.com/wp-content/uploads/1207836-10-9.png)
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Product Name : 2,6, dichlorophenol-indophenol sodium ;2,6-Dichloroindophenol sodium salt |620-45-1
Code: JC-BB826 CAS: 620-45-1 Chemical Formula: C12H6Cl2NO2.Na.2H2O Molecular Weight: 326.1 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2,6, dichlorophenol-indophenol sodium ;2,6-Dichloroindophenol sodium salt |620-45-1 is useful as reference Impurity standard. 
