Building Blocks
1618 Results Found
Page 35 of 50
Building Blocks (Aliphatic/Aromatic/Heterocyclic/Carbohydrates)
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Product Name : 1,7′-Dimethyl-2′-propyl-1H,1’H-2,5′-bibenzo[d]imidazole | 152628-02-9
Code: JC-BB525 CAS: 152628-02-9 Chemical Formula: C19H20N4 Molecular Weight: 304.40 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1,7'-Dimethyl-2'-propyl-1H,1'H-2,5'-bibenzo[d]imidazole | 152628-02-9is useful as reference Impurity standard. ![1,7'-Dimethyl-2'-propyl-1H,1'H-2,5'-bibenzo[d]imidazole | 152628-02-9](https://drjcrbio.com/wp-content/uploads/JC-BB525.png)
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Product Name : Trimethyl orthobutyrate ; Orthobutyric Acid Trimethyl Ester 1,1,1-Trimethoxybutane | 43083-12-1
Code: JC-BB524 CAS: 43083-12-1 Chemical Formula: C7H16O3 Molecular Weight: 148.20 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Trimethyl orthobutyrate ; Orthobutyric Acid Trimethyl Ester 1,1,1-Trimethoxybutane | 43083-12-1is useful as reference Impurity standard. 
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Product Name : 4-Methoxybenzoyl chloride | p-Anisoyl chloride | 100-07-2
Code: JC-BB523 CAS: 100-07-2 Chemical Formula: CH3OC6H4COCl Molecular Weight: 170.59 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 4-Methoxybenzoyl chloride | p-Anisoyl chloride | 100-07-2is useful as reference Impurity standard. 
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Product Name : 5-hydroxymethylfurfural ; (5-hydroxymethyl)furan-2-carbaldehyde | 67-47-0
Code: JC-BB522 CAS: 67-47-0 Chemical Formula: C6H6O3 Molecular Weight: 126.11 Category:Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 5-hydroxymethylfurfural ; (5-hydroxymethyl)furan-2-carbaldehyde | 67-47-0 is useful as reference Impurity standard.5-hydroxymethylfurfural ; 
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Product Name : Theophylline; (1,3-Dimethyl-3,7-dihydro-1H-purine-2,6-dione) | 58-55-9
Code: JC-BB521 CAS: 58-55-9 Chemical Formula: C7H8N4O2 Molecular Weight: 180.164 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Theophylline; (1,3-Dimethyl-3,7-dihydro-1H-purine-2,6-dione) | 58-55-9 is useful as reference Impurity standard. 
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Product Name : Caffeine ; 1H-Purine-2,6-dione, 3,7-dihydro-1,3,7-trimethyl-) | 58-08-2
Code: JC-BB520 CAS: 58-08-2 Chemical Formula: C8H10N4O2 Molecular Weight: 194.19 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Caffeine ; 1H-Purine-2,6-dione, 3,7-dihydro-1,3,7-trimethyl-) | 58-08-2 is useful as reference Impurity standard. 
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Product Name : N-Isopropylacetamide | 1118-69-0
Code: JC-BB519 CAS: 1118-69-0 Chemical Formula: C5H11NO Molecular Weight: 101.15 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: N-Isopropylacetamide | 1118-69-0is useful as reference Impurity standard. 
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Product Name : N-ethyl-N-methylacetamide | 38806-26-7
Code: JC-BB518 CAS: 38806-26-7 Chemical Formula: C5H11NO Molecular Weight: 101.15 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: N-ethyl-N-methylacetamide | 38806-26-7 is useful as reference Impurity standard. 
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Product Name : Acarbose | 56180-94-0
Code: JC-BB517 CAS: 56180-94-0 Chemical Formula: C25H43NO18 Molecular Weight: 645.6 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Acarbose | 56180-94-0is useful as reference Impurity standard. 
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Product Name : Streptodornase | 8048-16-6
Code: JC-BB516 CAS: 8048-16-6 Chemical Formula: Molecular Weight: Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Streptodornase | 8048-16-6is useful as reference Impurity standard. 
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Product Name : Streptokinase ; Streptokinase from β-hemolytic Streptococcus (Lancefield Group C) ; Streptokinase from Streptococcus hemolyticus
Code: JC-BB515 CAS: 9002-01-1 Chemical Formula: NA Molecular Weight: Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Streptokinase ; Streptokinase from β-hemolytic Streptococcus (Lancefield Group C) ; Streptokinase from Streptococcus hemolyticusis useful as reference Impurity standard. 
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Product Name : Cortienyl Aldehyde |
Code: 514 CAS: NA Chemical Formula: C₂₀H₂₈O₄ Molecular Weight: 332.43 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Cortienyl Aldehyde | is useful as reference Impurity standard. 
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Product Name : MMTPA-2 ; Methyl Mercaptan Sodium Salt (ca. 15% in Water) ; Sodium Methanethiolate (ca. 15% in Water) Sodium Thiomethoxide (ca. 15% in Water)|5188-07-8
Code: JC-BB513 CAS: 5188-07-8 Chemical Formula: CH3NaS Molecular Weight: 70.08 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: MMTPA-2 ; Methyl Mercaptan Sodium Salt (ca. 15% in Water) ; Sodium Methanethiolate (ca. 15% in Water) Sodium Thiomethoxide (ca. 15% in Water)|5188-07-8is useful as reference Impurity standard. 
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Product Name : MMTPA-1 ; 2-Amino-2-methyl-1-propanol | 124-68-5
Code: JC-BB512 CAS: 124-68-5 Chemical Formula: C4H11NO Molecular Weight: 89.14 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: MMTPA-1 ; 2-Amino-2-methyl-1-propanol | 124-68-5is useful as reference Impurity standard. 
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Product Name : Z-L-Isoleucine ; Cbz-L-Isoleucine | 3160-59-6
Code: JC-BB510 CAS: 3160-59-6 Chemical Formula: C14H19NO4 Molecular Weight: 265.30 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Z-L-Isoleucine ; Cbz-L-Isoleucine | 3160-59-6 is useful as reference Impurity standard. 
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Product Name : 3,5-Dibromo-L-tyrosine | 300-38-9
Code: JC-BB509 CAS: 300-38-9 Chemical Formula: C9H9Br2NO3 Molecular Weight: 338.98 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 3,5-Dibromo-L-tyrosine | 300-38-9is useful as reference Impurity standard. 
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Product Name : 6,7-dichloro-1-cyclopropyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid ; 6,7-Dichloro-1-cyclopropyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid | 93107-31-4
Code: JC-BB508 CAS: 93107-31-4 Chemical Formula: C13H9Cl2NO3 Molecular Weight: 298.12 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 6,7-dichloro-1-cyclopropyl-4-oxo-1,4-dihydroquinoline-3-carboxylic acid ; 6,7-Dichloro-1-cyclopropyl-1,4-dihydro-4-oxo-3-quinolinecarboxylic acid | 93107-31-4is useful as reference Impurity standard. 
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Product Name : (2R,3S)-3-Phenylisoserine hydrochloride ; (aR,βS)-β-Amino-a-hydroxy-benzenepropanoic Acid Hydrochloride (9CI); [R-(R*,S*)]-β-Amino-a-hydroxy-benzenepropanoic Acid Hydrochloride; (aR,βS)-β-Amino-a-hydroxy-benzenepropanoic Acid Hydrochloride | 132201-32-2
Code: JC-BB507 CAS: 132201-32-2 Chemical Formula: C₉H₁₁NO₃ • 1(HCl) Molecular Weight: 181.1913646 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:(2R,3S)-3-Phenylisoserine hydrochloride ; (aR,βS)-β-Amino-a-hydroxy-benzenepropanoic Acid Hydrochloride (9CI); [R-(R*,S*)]-β-Amino-a-hydroxy-benzenepropanoic Acid Hydrochloride; (aR,βS)-β-Amino-a-hydroxy-benzenepropanoic Acid Hydrochloride | 132201-32-2 is useful as reference Impurity standard. ![(2R,3S)-3-Phenylisoserine hydrochloride ; (aR,βS)-β-Amino-a-hydroxy-benzenepropanoic Acid Hydrochloride (9CI); [R-(R*,S*)]-β-Amino-a-hydroxy-benzenepropanoic Acid Hydrochloride; (aR,βS)-β-Amino-a-hydroxy-benzenepropanoic Acid Hydrochloride | 132201-32-2](https://drjcrbio.com/wp-content/uploads/JC-BB507.png)
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Product Name : Alanine ; L-α-Aminopropionic acid, (S)-2-Aminopropionic acid | 56-41-7
Code: JC-BB506 CAS: 56-41-7 Chemical Formula: C3H7NO2 Molecular Weight: 89.09 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Alanine ; L-α-Aminopropionic acid, (S)-2-Aminopropionic acid | 56-41-7is useful as reference Impurity standard. 
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Product Name : L-Methionine-34S ; (S)-2-Amino-4-(methylthio)butanoic-34S Acid; Cymethion-34S; S-Methyl-L-momocysteine-34S; L-α-Amino-γ-methylthiobutyric-34S Acid; Methionine-34S; NSC 22946-34S; S-Methionine-34S; S-Methyl-L-homocysteine-34S; h-Met-oh-34S; l-Methionine-34S; α-Amino-γ-methylmercaptobutyric-34S Acid; γ-Methylthio-α-aminobutyric-34S Acid; |1006386-95-3
Code: JC-BB505 CAS: 1006386-95-3 Chemical Formula: C₅H₁₁NO₂³⁴S Molecular Weight: 151.11 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: L-Methionine-34S ; (S)-2-Amino-4-(methylthio)butanoic-34S Acid; Cymethion-34S; S-Methyl-L-momocysteine-34S; L-α-Amino-γ-methylthiobutyric-34S Acid; Methionine-34S; NSC 22946-34S; S-Methionine-34S; S-Methyl-L-homocysteine-34S; h-Met-oh-34S; l-Methionine-34S; α-Amino-γ-methylmercaptobutyric-34S Acid; γ-Methylthio-α-aminobutyric-34S Acid; |1006386-95-3is useful as reference Impurity standard. 
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Product Name : L-Phenylalanine ;(S)-2-Amino-3-phenylpropionic acid | 63-91-2
Code: JC-BB504 CAS: 63-91-2 Chemical Formula: C9H11NO2 Molecular Weight: 165.19 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: L-Phenylalanine ;(S)-2-Amino-3-phenylpropionic acid | 63-91-2is useful as reference Impurity standard. 
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Product Name : L-Tyrosine ; H-Tyr-OH | 60-18-4
Code: JC-BB503 CAS: 60-18-4 Chemical Formula: C9H11NO3 Molecular Weight: 181.19 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: L-Tyrosine ; H-Tyr-OH | 60-18-4is useful as reference Impurity standard. 
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Product Name : Leusine | 61-90-5
Code: JC-BB502 CAS: 61-90-5 Chemical Formula: C6H13NO2 Molecular Weight: 131.17 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Leusine | 61-90-5 is useful as reference Impurity standard. 
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Product Name : Iso leusine ; (2S,3S)-2-Amino-3-methylpentanoic acid, L-Isoleucine | 73-32-5
Code: JC-BB501 CAS: 73-32-5 Chemical Formula: C6H13NO2 Molecular Weight: 131.18 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Iso leusine ; (2S,3S)-2-Amino-3-methylpentanoic acid, L-Isoleucine | 73-32-5is useful as reference Impurity standard. 
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Product Name : 3,4-Dimethoxybenzyl Chloride; 3,4-bis(methoxy)-benzylchloride;4-(chloromethyl)-1,2-dimethoxy-benzen;alpha-chloro-3,4-dimethoxy-toluen;alpha-chloro-3,4-dimethoxytoluene;veratrylchlorid;veratrylchloride;4-(chloromethyl)-1,2-dimethoxybenzene | 7306-46-9
Code: JC-BB500 CAS: 7306-46-9 Chemical Formula: C9H11ClO2 Molecular Weight: 186.63 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 3,4-Dimethoxybenzyl Chloride; 3,4-bis(methoxy)-benzylchloride;4-(chloromethyl)-1,2-dimethoxy-benzen;alpha-chloro-3,4-dimethoxy-toluen;alpha-chloro-3,4-dimethoxytoluene;veratrylchlorid;veratrylchloride;4-(chloromethyl)-1,2-dimethoxybenzene | 7306-46-9is useful as reference Impurity standard. 
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Product Name : Naphthalen-1-ol ; α-Naphthol, 1-Hydroxynaphthalene | 90-15-3
Code: JC-BB499 CAS: 90-15-3 Chemical Formula: C10H7OH Molecular Weight: 144.17 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Naphthalen-1-ol ; α-Naphthol, 1-Hydroxynaphthalene | 90-15-3 is useful as reference Impurity standard. 
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Product Name : Tributyl Phosphine Oxide ; Butyphos, Tributylphosphine oxide | 814-29-9
Code: JC-BB498 CAS: 814-29-9 Chemical Formula:C12H27OP Molecular Weight:218.32 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Tributyl Phosphine Oxide ; Butyphos, Tributylphosphine oxide | 814-29-9 is useful as reference Impurity standard. 
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Product Name : 1,1,1-Trifluoro-N-phenyl-N-((trifluoromethyl)sulfonyl)methanesulfonamide | 37595-74-7
Code: JC-BB497 CAS: 37595-74-7 Chemical Formula: C8H5F6NO4S2 Molecular Weight: 357,25 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:1,1,1-Trifluoro-N-phenyl-N-((trifluoromethyl)sulfonyl)methanesulfonamide | 37595-74-7 is useful as reference Impurity standard. 
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Product Name : Ethyl Malonyl Chloride ; Ethyl (chloroformyl)acetate, Ethyl 3-chloro-3-oxopropionate | 36239-09-5
Code: JC-BB496 CAS: 36239-09-5 Chemical Formula: C5H7ClO3 Molecular Weight: 150.56 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application:Ethyl Malonyl Chloride ; Ethyl (chloroformyl)acetate, Ethyl 3-chloro-3-oxopropionate | 36239-09-5 is useful as reference Impurity standard. 
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Product Name : 3-Ethylbenzo[d]thiazol-3-ium bromide | 32446-47-2
Code: JC-BB495 CAS: 32446-47-2 Chemical Formula: C9H10BrNS Molecular Weight: 244.15 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 3-Ethylbenzo[d]thiazol-3-ium bromide | 32446-47-2is useful as reference Impurity standard. ![3-Ethylbenzo[d]thiazol-3-ium bromide | 32446-47-2](https://drjcrbio.com/wp-content/uploads/JC-BB495.png)
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Product Name : L-Penicillamine ; L-β,β-Dimethylcysteine; L-β-Mercaptovaline; (R)-2-Amino-3-mercapto-3-methylbutanoic acid
Code: JC-BB494 CAS: 1113-41-3 Chemical Formula: C5H11NO2S Molecular Weight: 149.21 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: L-Penicillamine ; L-β,β-Dimethylcysteine; L-β-Mercaptovaline; (R)-2-Amino-3-mercapto-3-methylbutanoic acidis useful as reference Impurity standard. 
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Product Name : Tert-butylbenzene sulfonate | 91950-41-3
Code: JC-BB493 CAS: 91950-41-3 Chemical Formula: C10H14O3S Molecular Weight: 214.28 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Tert-butylbenzene sulfonate | 91950-41-3is useful as reference Impurity standard.
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Product Name : 5-Amino-6-chloro-2-methylpyrimidin-4(1H)-one ; 5-amino-6-chloro-2-methyl-3H-pyrimidin-4-one; 5-Amino-6-chlor-2-methyl-3H-pyrimidin-4-on | 98025-13-9
Code: JC-BB492 CAS: 98025-13-9 Chemical Formula: C5H6ClN3O Molecular Weight: 159.57364 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 5-Amino-6-chloro-2-methylpyrimidin-4(1H)-one ; 5-amino-6-chloro-2-methyl-3H-pyrimidin-4-one; 5-Amino-6-chlor-2-methyl-3H-pyrimidin-4-on | 98025-13-9is useful as reference Impurity standard. 
