Building Blocks
1618 Results Found
Page 28 of 50
Building Blocks (Aliphatic/Aromatic/Heterocyclic/Carbohydrates)
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Product Name : 1-(pyrrolidine-2-carbonyl)pyrrolidine-2-carboxylic acid ;Pro-Pro-OH;Prolylproline;L-Pro-L-Pro-OH;1-Prolylproline;N-Prolylproline; 20488-28-2
Code: JC-BB758 CAS: 20488-28-2 Chemical Formula: C10H16N2O3 Molecular Weight: 212.25 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1-(pyrrolidine-2-carbonyl)pyrrolidine-2-carboxylic acid ;Pro-Pro-OH;Prolylproline;L-Pro-L-Pro-OH;1-Prolylproline;N-Prolylproline; 20488-28-2 is useful as reference Impurity standard. 
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Product Name : 1-Bromo-2-fluoro benzene ;1-Bromo-2-fluorobenzene |1072-85-1
Code: JC-BB757 CAS: 1072-85-1 Chemical Formula: C6H4BrF Molecular Weight: 175 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1-Bromo-2-fluoro benzene ;1-Bromo-2-fluorobenzene |1072-85-1 is useful as reference Impurity standard. 
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Product Name : 1,4-Dicyanobenzene ;Terephthalonitrile;1,4-Benzodinitrile;1,4-Bis(cyano)benzene; 4-Cyanobenzonitrile; 623-26-7
Code: JC-BB756 CAS: 623-26-7 Chemical Formula: C8H4N2 Molecular Weight: 128.13 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1,4-Dicyanobenzene ;Terephthalonitrile;1,4-Benzodinitrile;1,4-Bis(cyano)benzene; 4-Cyanobenzonitrile; 623-26-7is useful as reference Impurity standard. 
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Product Name : 2,4-diamino-6-chloro pyrimidine N-oxide ;2,6-Diamino-4-chloropyrimidine 1-oxide |35139-67-4
Code: JC-BB755 CAS: 35139-67-4 Chemical Formula: C4H5ClN4O Molecular Weight: 160.56 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2,4-diamino-6-chloro pyrimidine N-oxide ;2,6-Diamino-4-chloropyrimidine 1-oxide |35139-67-4 is useful as reference Impurity standard. 
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Product Name : 2,4-diamino-6-chloro pyrimidine ;2,4-Diamino-6-chloropyrimidine;6-Chloro-2,4-diaminopyrimidine |156-83-2
Code: JC-BB754 CAS: 156-83-2 Chemical Formula: C4H5ClN4 Molecular Weight: 144.56 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2,4-diamino-6-chloro pyrimidine ;2,4-Diamino-6-chloropyrimidine;6-Chloro-2,4-diaminopyrimidine |156-83-2is useful as reference Impurity standard. 
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Product Name : 2,4-diamino-6-hydroxy pyrimidine ;2,6-Diamino-4(1H)-pyrimidinone;2,6-Diaminopyrimidin-4-one; 6-Aminoisocytosine |56-06-4
Code: JC-BB753 CAS: 56-06-4 Chemical Formula: C4H6N4O Molecular Weight: 126.12 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2,4-diamino-6-hydroxy pyrimidine ;2,6-Diamino-4(1H)-pyrimidinone;2,6-Diaminopyrimidin-4-one; 6-Aminoisocytosine |56-06-4 is useful as reference Impurity standard. 
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Product Name : P-TOLUENE SULFONIC ACID IMPURITY ; P-Toluene sulfonic acid| 6192-52-5
Code: JC-BB752 CAS: 6192-52-5 Chemical Formula: C7H10O4S Molecular Weight: 190.22 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: P-TOLUENE SULFONIC ACID IMPURITY ; P-Toluene sulfonic acid| 6192-52-5 is useful as reference Impurity standard. 
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Product Name : BENZYL ALCOHOL IMPURITY ;Phenylmethyl alcohol, Sunmorl BK 20, Benzylic alcohol, Benzenecarbinol,Benzalkonium Chloride Imp. A (EP), NSC 8044, Benzyl Alcohol, Benzenemethanol, Phenylcarbinol, Phenylmethanol, Benzyl alcohol (8CI), (Hydroxymethyl)benzene, alpha-Hydroxytoluene, alpha-Toluenol, TB 13G |100-51-6
Code: JC-BB751 CAS: 100-51-6 Chemical Formula: C7H8O Molecular Weight: 108.14 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: BENZYL ALCOHOL IMPURITY ;Phenylmethyl alcohol, Sunmorl BK 20, Benzylic alcohol, Benzenecarbinol,Benzalkonium Chloride Imp. A (EP), NSC 8044, Benzyl Alcohol, Benzenemethanol, Phenylcarbinol, Phenylmethanol, Benzyl alcohol (8CI), (Hydroxymethyl)benzene, alpha-Hydroxytoluene, alpha-Toluenol, TB 13G |100-51-6 is useful as reference Impurity standard. 
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Product Name : N1,N2-dimethylphthalamide N1,N2-dimethyl-1,2-benzenedicarboxamide; N,N’-Dimethylphthalamide; N,N’-Dimethylphthalic Diamide; N,N’-Dimethyl-phthalamide |19532-98-0
Code: JC-BB750 CAS: 19532-98-0 Chemical Formula: C10H12N2O2 Molecular Weight: 192.21 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: N1,N2-dimethylphthalamide N1,N2-dimethyl-1,2-benzenedicarboxamide; N,N'-Dimethylphthalamide; N,N'-Dimethylphthalic Diamide; N,N'-Dimethyl-phthalamide |19532-98-0 is useful as reference Impurity standard. 
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Product Name : PDE:Methyl2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylate ;Orotic Acid Methyl Ester; 6-Carbomethoxyuracil; Methyl 2,6-Dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylate; Methyl Orotate|6153-44-2
Code: JC-BB749 CAS: 6153-44-2 Chemical Formula: C6H6N2O4 Molecular Weight: 170.12 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: PDE:Methyl2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylate ;Orotic Acid Methyl Ester; 6-Carbomethoxyuracil; Methyl 2,6-Dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylate; Methyl Orotate|6153-44-2 is useful as reference Impurity standard. 
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Product Name : PDA : 2,6-Dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid ;Orotic acid;2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid |65-86-1
Code: JC-BB748 CAS: 65-86-1 Chemical Formula: C5H4N2O4 Molecular Weight: 156.10 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: PDA : 2,6-Dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid ;Orotic acid;2,6-dioxo-1,2,3,6-tetrahydropyrimidine-4-carboxylic acid |65-86-1 is useful as reference Impurity standard. 
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Product Name : anhydrous stannic chloride ;Stannic chloride fuming |7646-78-8
Code: JC-BB747 CAS: 7646-78-8 Chemical Formula: SnCl4 Molecular Weight: 260.52 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: anhydrous stannic chloride ;Stannic chloride fuming |7646-78-8 is useful as reference Impurity standard. 
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Product Name : P-Dichlorobenzene ;1,4-Dichlorobenzene |106-46-7
Code: JC-BB746 CAS: 106-46-7 Chemical Formula: C6H4Cl2 Molecular Weight: 147 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: P-Dichlorobenzene ;1,4-Dichlorobenzene |106-46-7 is useful as reference Impurity standard. 
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Product Name : Perchloric acid (70%) ;PCA | 7601-90-3
Code: JC-BB745 CAS: 7601-90-3 Chemical Formula: ClHO4 Molecular Weight: 100.46 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Perchloric acid (70%) ;PCA | 7601-90-3 is useful as reference Impurity standard. 
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Product Name : 3-Methyl pentane |96-14-0
Code: JC-BB744 CAS: 96-14-0 Chemical Formula: C6H14 Molecular Weight: 86.18 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 3-Methyl pentane |96-14-0 is useful as reference Impurity standard. 
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Product Name : N,N,N,N-Tetraethyl ethane-1,2-diamine(TEEDA) ;N1,N1,N2,N2-Tetraethylethane-1,2-diamine JC-BB743 |150-77-6
Code: JC-BB743 CAS: 150-77-6 Chemical Formula: C10H24N Molecular Weight: 172.31 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: N,N,N,N-Tetraethyl ethane-1,2-diamine(TEEDA) ;N1,N1,N2,N2-Tetraethylethane-1,2-diamine JC-BB743 |150-77-6is useful as reference Impurity standard. 
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Product Name : Tetrabutylammonium bromide ;Tetrabutylammonium bromide |1643-19-2
Code: JC-BB742 CAS: 1643-19-2 Chemical Formula: C16H36BrN Molecular Weight: 322.38 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Tetrabutylammonium bromide ;Tetrabutylammonium bromide |1643-19-2 is useful as reference Impurity standard. 
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Product Name : 1-(4-Methoxyphenyl)-4-(4-nitrophenyl)piperazine ;1-(4-Methoxyphenyl)-4-(4-nitrophenyl)piperazine |74852-61-2
Code: JC-BB741 CAS: 74852-61-2 Chemical Formula: C17H19N3O3 Molecular Weight: 313.35 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1-(4-Methoxyphenyl)-4-(4-nitrophenyl)piperazine ;1-(4-Methoxyphenyl)-4-(4-nitrophenyl)piperazine |74852-61-2 is useful as reference Impurity standard. 
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Product Name : (Z)-1-chloro-6,6-dimethylhept-2-en-4-yne ;(E)-1-Chloro-6,6-dimethylhept-2-en-4-yne |287471-30-1
Code: JC-BB740 CAS: 287471-30-1 Chemical Formula: C9H13Cl Molecular Weight: 156.65 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: (Z)-1-chloro-6,6-dimethylhept-2-en-4-yne ;(E)-1-Chloro-6,6-dimethylhept-2-en-4-yne |287471-30-1 is useful as reference Impurity standard. 
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Product Name : 2,5 dichloro-6-methylaniline ;3,6-Dichloro-2-methylaniline | 62077-26-3
Code: JC-BB739 CAS: 62077-26-3 Chemical Formula: C7H7Cl2N Molecular Weight: 176.04 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2,5 dichloro-6-methylaniline ;3,6-Dichloro-2-methylaniline | 62077-26-3 is useful as reference Impurity standard. 
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Product Name : 1,7-Octadiene ;Octa-1,7-diene |3710-30-3
Code: JC-BB738 CAS: 3710-30-3 Chemical Formula: C8H14 Molecular Weight: 110.20 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1,7-Octadiene ;Octa-1,7-diene |3710-30-3 is useful as reference Impurity standard. 
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Product Name : Fmoc-Glu-OH;N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-glutamic Acid; |121343-82-6
Code: JC-BB737 CAS: 121343-82-6 Chemical Formula: C20H19NO6 Molecular Weight: 369.37 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Fmoc-Glu-OH;N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-glutamic Acid; |121343-82-6 is useful as reference Impurity standard. ![Fmoc-Glu-OH;N-[(9H-fluoren-9-ylmethoxy)carbonyl]-L-glutamic Acid; |121343-82-6](https://drjcrbio.com/wp-content/uploads/121343-82-6.png)
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Product Name : H-His (Trt)-OH ;(S)-2-Amino-3-(1-trityl-1H-imidazol-4-yl)propanoic Acid; 1-Trityl-L-histidine; N(im)-Trityl-L-histidine |35146-32-8
Code: JC-BB736 CAS: 35146-32-8 Chemical Formula: C25H23N3O2 Molecular Weight: 397.47 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: H-His (Trt)-OH ;(S)-2-Amino-3-(1-trityl-1H-imidazol-4-yl)propanoic Acid; 1-Trityl-L-histidine; N(im)-Trityl-L-histidine |35146-32-8 is useful as reference Impurity standard. 
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Product Name : Boc-His-OH Nα-(tert-Butoxycarbonyl)-L-histidine, Nα-Boc-L-histidine|17791-52-5
Code: JC-BB735 CAS: 17791-52-5 Chemical Formula: C11H17N3O4 Molecular Weight: 255.27 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Boc-His-OH Nα-(tert-Butoxycarbonyl)-L-histidine, Nα-Boc-L-histidine|17791-52-5 is useful as reference Impurity standard. 
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Product Name : 2-(Benzyloxy)-N-methoxy-N-methylacetamide ;N-Methoxy-N-methyl benzyloxyacetamide; |104863-68-5
Code: JC-BB734 CAS: 104863-68-5 Chemical Formula: C11H15NO3 Molecular Weight: 209.24 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-(Benzyloxy)-N-methoxy-N-methylacetamide ;N-Methoxy-N-methyl benzyloxyacetamide; |104863-68-5 is useful as reference Impurity standard. 
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Product Name : 5-(2-fluorophenyl)-5-oxo-pentanoic acid |2-Fluoro-δ-oxobenzenepentanoic Acid |199664-70-5
Code: JC-BB733 CAS: 199664-70-5 Chemical Formula: C11H11FO3 Molecular Weight: 210.2 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 5-(2-fluorophenyl)-5-oxo-pentanoic acid |2-Fluoro-δ-oxobenzenepentanoic Acid |199664-70-5 is useful as reference Impurity standard. 
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Product Name : 4,5-Dimethoxy-2-nitroaniline |7595-31-5
Code: JC-BB732 CAS: 7595-31-5 Chemical Formula: C8H10N2O4 Molecular Weight: 198.18 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 4,5-Dimethoxy-2-nitroaniline |7595-31-5 is useful as reference Impurity standard. 
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Product Name : 3-Bromo-8-methoxyquinoline |103030-27-9
Code: JC-BB731 CAS: 103030-27-9 Chemical Formula: C10H8BrNO Molecular Weight: 238.08 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 3-Bromo-8-methoxyquinoline |103030-27-9 is useful as reference Impurity standard. 
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Product Name : 5-HYDROXYPENTANOIC ACID METHYL ESTER ;Methyl 5-Hydroxypentanoate; Methyl 5-Hydroxyvalerate; |14273-92-8
Code: JC-BB730 CAS: 14273-92-8 Chemical Formula: C6H12O3 Molecular Weight: 132.16 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 5-HYDROXYPENTANOIC ACID METHYL ESTER ;Methyl 5-Hydroxypentanoate; Methyl 5-Hydroxyvalerate; |14273-92-8 is useful as reference Impurity standard. 
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Product Name : 3,4-dihydro-2H-chromene-2-carboxylic acid ;2-Chromancarboxylic Acid; (±)-2-Chromancarboxylic Acid; 3,4-Dihydro-1-benzopyran-2-carboxylic Acid; 3,4-Dihydro-2H-1-benzopyran-2-carboxylic Acid | 51939-71-0
Code: JC-BB729 CAS: 51939-71-0 Chemical Formula: C10H10O3 Molecular Weight: 178.18 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 3,4-dihydro-2H-chromene-2-carboxylic acid ;2-Chromancarboxylic Acid; (±)-2-Chromancarboxylic Acid; 3,4-Dihydro-1-benzopyran-2-carboxylic Acid; 3,4-Dihydro-2H-1-benzopyran-2-carboxylic Acid | 51939-71-0 is useful as reference Impurity standard. 
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Product Name : Ivabradine Hydrochloride (R-Isomer) ;Ivabradine HCl R-Isomer ;Ivabradine Enantiomer HCl;(R)-3-[3-[[(3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methyl]methylamino] propyl]-1,3,4,5-tetrahydro-7,8-dimethoxy-2H-3-benzazepin-2-one hydrochloride |148849-68-7
Code: JC-BB728 CAS: 148849-68-7 Chemical Formula: C27H37ClN2O5 Molecular Weight: 505.05 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Ivabradine Hydrochloride (R-Isomer) ;Ivabradine HCl R-Isomer ;Ivabradine Enantiomer HCl;(R)-3-[3-[[(3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methyl]methylamino] propyl]-1,3,4,5-tetrahydro-7,8-dimethoxy-2H-3-benzazepin-2-one hydrochloride |148849-68-7 is useful as reference Impurity standard. ![Ivabradine Hydrochloride (R-Isomer) ;Ivabradine HCl R-Isomer ;Ivabradine Enantiomer HCl;(R)-3-[3-[[(3,4-Dimethoxybicyclo[4.2.0]octa-1,3,5-trien-7-yl)methyl]methylamino] propyl]-1,3,4,5-tetrahydro-7,8-dimethoxy-2H-3-benzazepin-2-one hydrochloride |148849-68-7](https://drjcrbio.com/wp-content/uploads/148849-68-7.png)
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Product Name : 1,2,3,4-Tetraphenyl-1,3-cyclopentadiene | 15570-45-3 C₂₉H₂₂ 370.48
Code: JC-BB727 CAS: 15570-45-3 Chemical Formula: C₂₉H₂₂ Molecular Weight: 370.48 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1,2,3,4-Tetraphenyl-1,3-cyclopentadiene | 15570-45-3 C₂₉H₂₂ 370.48 is useful as reference Impurity standard. 
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Product Name : 1-Butanol, ;1-Butanol |71-36-3
Code: JC-BB726 CAS: JC-BB726 Chemical Formula: C4H10O Molecular Weight: 74.12 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1-Butanol, ;1-Butanol |71-36-3 is useful as reference Impurity standard. 
