Building Blocks
1637 Results Found
Page 32 of 50
Building Blocks (Aliphatic/Aromatic/Heterocyclic/Carbohydrates)
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Product Name : 2-Methyl mercapto phenothiazine- ;2-(Methylthio)-phenothiazine; 2-(Methylthio)phenothiazine; 2-Methylthio-10H-phenothiazine; 3-(Methylthio)phenothiazine | 7643-08-5
Code: JC-BB650 CAS: 7643-08-5 Chemical Formula: C13H11NS2 Molecular Weight: 245.36 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-Methyl mercapto phenothiazine- ;2-(Methylthio)-phenothiazine; 2-(Methylthio)phenothiazine; 2-Methylthio-10H-phenothiazine; 3-(Methylthio)phenothiazine | 7643-08-5is useful as reference Impurity standard. 
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Product Name : VINYL ACETATE ; VAc, Acetoxyethylene | 108-05-4
Code: JC-BB649 CAS: 108-05-4 Chemical Formula: C4H6O2 Molecular Weight: 86.09 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: VINYL ACETATE ; VAc, Acetoxyethylene | 108-05-4is useful as reference Impurity standard. 
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Product Name : 1-VINYLPYRROLIDIN-2ONE ;1-Vinyl-2-pyrrolidone, | 88-12-0
Code: JC-BB648 CAS: 88-12-0 Chemical Formula: C6H9NO Molecular Weight: 111.14 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1-VINYLPYRROLIDIN-2ONE ;1-Vinyl-2-pyrrolidone, | 88-12-0is useful as reference Impurity standard. 
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Product Name : Rhein ;4,5-Dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-carboxylic acid | 478-43-3
Code: JC-BB647 CAS: 478-43-3 Chemical Formula: C15H8O6 Molecular Weight: 284.22 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Rhein ;4,5-Dihydroxy-9,10-dioxo-9,10-dihydroanthracene-2-carboxylic acid | 478-43-3is useful as reference Impurity standard. 
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Product Name : 1-(2,2-dimethoxyethyl)-5-methoxy-6-(methoxycarbonyl)-4-oxo-1,4-dihydropyridine-3-carboxylic acid | 1335210-23-5
Code: JC-BB646 CAS: 1335210-23-5 Chemical Formula: C₁₃H₁₇NO₈ Molecular Weight: 315.28 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1-(2,2-dimethoxyethyl)-5-methoxy-6-(methoxycarbonyl)-4-oxo-1,4-dihydropyridine-3-carboxylic acid | 1335210-23-5is useful as reference Impurity standard. 
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Product Name : dimethyl 1-(2,2-dimethoxyethyl)-3-methoxy-4-oxo-1,4-dihydropyridine-2,5-dicarboxylate | 1646862-02-3
Code: JC-BB645 CAS: 1646862-02-3 Chemical Formula: C14H19NO8 Molecular Weight: 329.3 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: dimethyl 1-(2,2-dimethoxyethyl)-3-methoxy-4-oxo-1,4-dihydropyridine-2,5-dicarboxylate | 1646862-02-3is useful as reference Impurity standard. 
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Product Name : “(E)-methyl 2-(((2,2-dimethoxyethyl)amino)methylene)-4-methoxy-3-oxo butanoate |1335210-26-8”
Code: JC-BB644 CAS: 1335210-26-8 Chemical Formula: C11H19NO6 Molecular Weight: 261.27 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: "(E)-methyl 2-(((2,2-dimethoxyethyl)amino)methylene)-4-methoxy-3-oxo butanoate |1335210-26-8" 
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Product Name : 3 amino 2 piperidinone; (3S)-3-Amino-2-piperidinone; (3S)-3-Aminopiperidin-2-one; L-Orinithine Lactam | 34294-79-6
Code: JC-BB643 CAS: 34294-79-6 Chemical Formula: C5H10N2O Molecular Weight: 114.15 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 3 amino 2 piperidinone; (3S)-3-Amino-2-piperidinone; (3S)-3-Aminopiperidin-2-one; L-Orinithine Lactam | 34294-79-6is useful as reference Impurity standard. 
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Product Name : (E)-methyl 2-((dimethylamino)methylene)-4-methoxy-3-oxobutanoate| 127958-23-0
Code: JC-BB641 CAS: 127958-23-0 Chemical Formula: C₉H₁₅NO₄ Molecular Weight: 201.22 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: (E)-methyl 2-((dimethylamino)methylene)-4-methoxy-3-oxobutanoate| 127958-23-0is useful as reference Impurity standard. 
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Product Name : 1,1-dimethoxy-N,N-dimethylmethanamine; N,N-Dimethylformamide Dimethyl Acetal; 1,1-Dimethoxytrimethylamine | 4637-24-5
Code: JC-BB640 CAS: 4637-24-5 Chemical Formula: C₅H₁₃NO₂ Molecular Weight: 119.16 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1,1-dimethoxy-N,N-dimethylmethanamine | 4637-24-5is useful as reference Impurity standard. 
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Product Name : Methyl 4-methoxy-3-oxobutanoate; 4-Methoxy-3-oxo-butyric Acid Methyl ester; 4-Methoxy-3-oxobutanoic Acid Methyl Ester; 4-Methoxyacetoacetic Acid Methyl Ester; Methyl 4-Methoxy-3-oxobutanoate; Methyl 4-Methoxy-3-oxobutyrate; Methyl 4-Methoxyacetoacetate; Methyl γ-Methoxyacetoacetate; γ-Methoxyacetoacetic Acid Methyl Ester|41051-15-4
Code: JC-BB639 CAS: 41051-15-4 Chemical Formula: C₆H₁₀O₄ Molecular Weight: 146.14 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Methyl 4-methoxy-3-oxobutanoate; 4-Methoxy-3-oxo-butyric Acid Methyl ester; 4-Methoxy-3-oxobutanoic Acid Methyl Ester; 4-Methoxyacetoacetic Acid Methyl Ester; Methyl 4-Methoxy-3-oxobutanoate; Methyl 4-Methoxy-3-oxobutyrate; Methyl 4-Methoxyacetoacetate; Methyl γ-Methoxyacetoacetate; γ-Methoxyacetoacetic Acid Methyl Ester|41051-15-4is useful as reference Impurity standard. 
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Product Name : Diethyl Sulfone ; Ethanesulfonyl-ethane| 597-35-3
Code: JC-BB638 CAS: 597-35-3 Chemical Formula: C₄H₁₀O₂S Molecular Weight: 122.19 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Diethyl Sulfone ; Ethanesulfonyl-ethane| 597-35-3is useful as reference Impurity standard. 
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Product Name : Bis(4-sulfobutyl)ether Disodium ; 4,4′-Oxybis-1-butanesulfonic acid disodium salt | 183278-30-0
Code: JC-BB637 CAS: 183278-30-0 Chemical Formula: C₈H₁₆Na₂O₇S₂ Molecular Weight: 334.32 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Bis(4-sulfobutyl)ether Disodium ; 4,4′-Oxybis-1-butanesulfonic acid disodium salt | 183278-30-0is useful as reference Impurity standard. 
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Product Name : 4-Hydroxybutane-1-sulfonic acid; 4-Hydroxy-1-butane Sulfonic Acid, 1-Butanesulfonic acid | 26978-64-3
Code: JC-BB636 CAS: 26978-64-3 Chemical Formula:C4H10O4S Molecular Weight: 154 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 4-Hydroxybutane-1-sulfonic acid; 4-Hydroxy-1-butane Sulfonic Acid, 1-Butanesulfonic acid | 26978-64-3is useful as reference Impurity standard. 
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Product Name : 2-Methyl-4-(3-Nitrophenyl)-3-butyn-2-ol; 2-Methyl-4-(3-Nitrophenyl)-3-butyn-2-ol | 33432-53-0
Code: JC-BB635 CAS: 33432-53-0 Chemical Formula: C11H11NO3 Molecular Weight: 205.21 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-Methyl-4-(3-Nitrophenyl)-3-butyn-2-ol; 2-Methyl-4-(3-Nitrophenyl)-3-butyn-2-ol | 33432-53-0is useful as reference Impurity standard. 
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Product Name : 1-(2-Fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-carbonitrile | 256376-65-5
Code: JC-BB634 CAS: 256376-65-5 Chemical Formula: C₁₄H₉FN₄ Molecular Weight: 252.25 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1-(2-Fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-carbonitrile | 256376-65-5is useful as reference Impurity standard. ![1-(2-Fluorobenzyl)-1H-pyrazolo[3,4-b]pyridine-3-carbonitrile | 256376-65-5](https://drjcrbio.com/wp-content/uploads/256376-65-5.png)
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Product Name : Chloroxylenol IH CRM; Chloroxylenol ; PCMX, 4-Chloro-3,5-xylenol, 4-Chloro-3,5-dimethylphenol, 4-Chloro-sym-m-xylenol |88-04-0
Code: JC-BB633 CAS: 88-04-0 Chemical Formula: C8H9OCl Molecular Weight: 156.61 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Chloroxylenol IH CRM; Chloroxylenol ; PCMX, 4-Chloro-3,5-xylenol, 4-Chloro-3,5-dimethylphenol, 4-Chloro-sym-m-xylenol |88-04-0is useful as reference Impurity standard. 
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Product Name : 4-Bromo-1H-indole; 4-Bromo-1H-indole | 52488-36-5
Code: JC-BB632 CAS: 52488-36-5 Chemical Formula: C8H6BrN Molecular Weight: 196.04 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 4-Bromo-1H-indole; 4-Bromo-1H-indole | 52488-36-5is useful as reference Impurity standard. 
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Product Name : SICBA; (S)-1-(3,4-dimethoxybicyclo[4.2.0]octa-1,3 ,5-trien-7-yl)-Nmethylmethanamine hydrochloride; SICBA; (S)-1-(3,4-dimethoxybicyclo[4.2.0]octa-1,3 ,5-trien-7-yl)-Nmethylmethanamine hydrochloride; (1S)-4,5-Dimethoxy-1-[(methylamino)methyl]benzocyclobutane hydrochloride | 866783-13-3
Code: JC-BB631 CAS: 866783-13-3 Chemical Formula: C₁₂H₁₈ClNO₂ Molecular Weight: 243.73 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: SICBA; (S)-1-(3,4-dimethoxybicyclo[4.2.0]octa-1,3 ,5-trien-7-yl)-Nmethylmethanamine hydrochloride; SICBA; (S)-1-(3,4-dimethoxybicyclo[4.2.0]octa-1,3 ,5-trien-7-yl)-Nmethylmethanamine hydrochloride; (1S)-4,5-Dimethoxy-1-[(methylamino)methyl]benzocyclobutane hydrochloride | 866783-13-3is useful as reference Impurity standard. ![SICBA; (S)-1-(3,4-dimethoxybicyclo[4.2.0]octa-1,3 ,5-trien-7-yl)-Nmethylmethanamine hydrochloride; SICBA; (S)-1-(3,4-dimethoxybicyclo[4.2.0]octa-1,3 ,5-trien-7-yl)-Nmethylmethanamine hydrochloride; (1S)-4,5-Dimethoxy-1-[(methylamino)methyl]benzocyclobutane hydrochloride | 866783-13-3](https://drjcrbio.com/wp-content/uploads/866783-13-3.png)
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Product Name : Thio Phenol ; Benzenethiol; Phenyl Mercaptan108-98-5
Code: JC-BB630 CAS: 108-98-5 Chemical Formula: C6H6S Molecular Weight: 110.17 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Thio Phenol ; Benzenethiol; Phenyl Mercaptan108-98-5is useful as reference Impurity standard. 
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Product Name : 2-methyl piperazine ; 2-methyl piperazine |109-07-9
Code: JC-BB629 CAS: 109-07-9 Chemical Formula: C5H12N2 Molecular Weight: 100.16 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2-methyl piperazine ; 2-methyl piperazine |109-07-9is useful as reference Impurity standard. 
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Product Name : 2,3,4,6-Tetrakis-O-trimethylsilyl-D-glucono-1,5-lactone ; 2,3,4,6-Tetra-O-(trimethylsilyl)-D-glucono-delta-lactone | 32384-65-9
Code: JC-BB628 CAS: 32384-65-9 Chemical Formula: C18H42O6Si4 Molecular Weight: 466.87 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2,3,4,6-Tetrakis-O-trimethylsilyl-D-glucono-1,5-lactone ; 2,3,4,6-Tetra-O-(trimethylsilyl)-D-glucono-delta-lactone | 32384-65-9is useful as reference Impurity standard. 
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Product Name : 4,6-O-Benzylidene-D-glucose; 4,6-O-Benzylidene-D-glucopyranose | 30688-66-5
Code: JC-BB627 CAS: 30688-66-5 Chemical Formula: C13H16O6 Molecular Weight: 268,26 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 4,6-O-Benzylidene-D-glucose; 4,6-O-Benzylidene-D-glucopyranose | 30688-66-5is useful as reference Impurity standard. 
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Product Name : 5-Acetyl Salicylamide; 5-Acetyl-2-hydroxybenzamide |40187-51-7
Code: JC-BB626 CAS: 40187-51-7 Chemical Formula: Molecular Weight: Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 5-Acetyl Salicylamide; 5-Acetyl-2-hydroxybenzamide |40187-51-7is useful as reference Impurity standard. 
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Product Name : 1-Methyl-3-Phenylpropylamine ;4-Phenyl-2-butylamine, 3-Amino-1-phenylbutane | 22374-89-6
Code: JC-BB625 CAS: 22374-89-6 Chemical Formula: C10H15N Molecular Weight: 149.24 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1-Methyl-3-Phenylpropylamine ;4-Phenyl-2-butylamine, 3-Amino-1-phenylbutane | 22374-89-6is useful as reference Impurity standard. 
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Product Name : 5-Bromoacetyl salicylamide | 73866-23-6
Code: JC-BB624 CAS: 73866-23-6 Chemical Formula: C9H8BrNO3 Molecular Weight: 258.07 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 5-Bromoacetyl salicylamide | 73866-23-6is useful as reference Impurity standard. 
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Product Name : 5-Acetylsalicylamide; 5-Acetyl-2-hydroxybenzamide | 40187-51-7
Code: JC-BB623 CAS: 40187-51-7 Chemical Formula: C₉H₉NO₃ Molecular Weight: 179.17 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 5-Acetylsalicylamide; 5-Acetyl-2-hydroxybenzamide | 40187-51-7is useful as reference Impurity standard. 
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Product Name : 4-hydroxybenzoic acid isobutyl ester; 4-hydroxybenzoic acid isobutyl ester; Isobutyl 4-hydroxybenzoate | 4247-02-3
Code: JC-BB622 CAS: 4247-02-3 Chemical Formula: C11H14O3 Molecular Weight: 194.23 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 4-hydroxybenzoic acid isobutyl ester; 4-hydroxybenzoic acid isobutyl ester; Isobutyl 4-hydroxybenzoate | 4247-02-3is useful as reference Impurity standard. 
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Product Name : 2,6-Dimethylpiperazine | 108-49-6
Code: JC-BB621 CAS: 108-49-6 Chemical Formula: C6H14N2 Molecular Weight: 114.19 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 2,6-Dimethylpiperazine | 108-49-6is useful as reference Impurity standard. 
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Product Name : Ethyl-3-(N,N-dimethylamino)acrylate; Ethyl-3-(N,N-dimethylamino)acrylate;1117-37-9
Code: JC-BB620 CAS: 1117-37-9 Chemical Formula: C7H13NO2 Molecular Weight: 143.18 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Ethyl-3-(N,N-dimethylamino)acrylate; Ethyl-3-(N,N-dimethylamino)acrylate;1117-37-9is useful as reference Impurity standard. 
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Product Name : Ethyl 3-(dimethylamino)-2-(2,4,5-trifluoro-3-methoxybenzoyl)acrylate ; Ethyl 3-(dimethylamino)-2-(2,4,5-trifluoro-3-methoxybenzoyl)acrylate; (E)-ethyl 3-(dimethylamino)-2-(2,4,5-trifluoro-3-methoxybenzoyl)acrylate | 121577-35-3
Code: JC-BB619 CAS: 121577-35-3 Chemical Formula: C15H16F3NO4 Molecular Weight: 331.29 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Ethyl 3-(dimethylamino)-2-(2,4,5-trifluoro-3-methoxybenzoyl)acrylate ; Ethyl 3-(dimethylamino)-2-(2,4,5-trifluoro-3-methoxybenzoyl)acrylate; (E)-ethyl 3-(dimethylamino)-2-(2,4,5-trifluoro-3-methoxybenzoyl)acrylate | 121577-35-3is useful as reference Impurity standard. 
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Product Name : Cyclohexanone; 108-94-1
Code: JC-BB618 CAS: 108-94-1 Chemical Formula: C6H10O Molecular Weight: 98.14 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Cyclohexanone; 108-94-1is useful as reference Impurity standard. 
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Product Name : n-Nonane | 111-84-2
Code: JC-BB617 CAS: 111-84-2 Chemical Formula: C₉H₂₀ Molecular Weight: 128.6 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: n-Nonane | 111-84-2is useful as reference Impurity standard. 
