KSM'S
406 Results Found
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KSM'S API Reference standards and its EP Impurities, USP Impurities, non pharmacopeial Impurities, listed below & also offered custom synthesis for unknown Impurities. If require any contact info@drjcrbio.com, sales@drjcrbio.com
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Product Name : 4-Nitrothioanisole; 1-(Methylthio)-4-nitrobenzene (CAS: 701-57-5)
Code: JCKSM-273 CAS: 701-57-5 Chemical Formula: C7H7NO2S Molecular Weight: 169.20 Category: KSM'S/Intermediates Status: Limited stock; Contact for availability sales@drjcrbio.com Application: Manufacturer of 4-Nitrothioanisole; 1-(Methylthio)-4-nitrobenzene (CAS: 701-57-5) is useful as reference Impurity standard. 
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Product Name : 2-Hydroxy-4-methylbenzaldehyde; 4-Methylsalicylaldehyde (CAS: 698-27-1)
Code: JCKSM-272 CAS: 698-27-1 Chemical Formula: C8H8O2 Molecular Weight: 136.15 Category: KSM'S/Intermediates Literature: Application: 2-Hydroxy-4-methylbenzaldehyde; 4-Methylsalicylaldehyde (CAS: 698-27-1) is useful as reference Impurity standard. 
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Product Name : 4-Bromo-2-methylbenzonitrile; 5-Bromo-2-cyanotoluene (CAS: 67832-11-5)
Code: JCKSM-271 CAS: 67832-11-5 Chemical Formula: C8H6BrN Molecular Weight: 196.05 Category: KSM'S/Intermediates Literature: Application: 4-Bromo-2-methylbenzonitrile; 5-Bromo-2-cyanotoluene/ (CAS: 67832-11-5) is useful as reference Impurity standard. 
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Product Name : 2-Bromobenzene-1,3-diol; 2-Bromoresorcinol (CAS: 6751-75-3)
Code: JCKSM-270 CAS: 6751-75-3 Chemical Formula: C6H5BrO2 Molecular Weight: 189.01 Category: KSM'S/Intermediates Literature: Application: 2-Bromobenzene-1,3-diol; 2-Bromoresorcinol/ (CAS: 6751-75-3) is useful as reference Impurity standard. 
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Product Name : 3,5-Dichlorophenylboronic Acid; 3,5-Dichlorobenzeneboronic Acid (CAS: 67492-50-6)
Code: JCKSM-269 CAS: 67492-50-6 Chemical Formula: C6H5BCl2O2 Molecular Weight: 190.81 Category: KSM'S/Intermediates Literature: Application: 3,5-Dichlorophenylboronic Acid; 3,5-Dichlorobenzeneboronic Acid/ (CAS: 67492-50-6) is useful as reference Impurity standard. 
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Product Name : 2,5-Difluorobenzonitrile (CAS: 64248-64-2)
Code: JCKSM-268 CAS: 64248-64-2 Chemical Formula: C7H3F2N Molecular Weight: 139.10 Category: KSM'S/Intermediates Literature: Application: 2,5-Difluorobenzonitrile/ (CAS: 64248-64-2) is useful as reference Impurity standard. 
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Product Name : 3-Chlorophenylboronic acid; 3-Chlorobenzeneboronic Acid (CAS: 63503-60-6)
Code: JCKSM-267 CAS: 63503-60-6 Chemical Formula: C6H6BClO2 Molecular Weight: 156.37 Category: KSM'S/Intermediates Literature: Application: 3-Chlorophenylboronic acid; 3-Chlorobenzeneboronic Acid/ (CAS: 63503-60-6) is useful as reference Impurity standard. 
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Product Name : 1-Bromo-2,2-dimethylpropane; Neopentyl Bromide/ (CAS: 630-17-1)
Code: JCKSM-266 CAS: 630-17-1 Chemical Formula: C5H11Br Molecular Weight: 151.05 Category: KSM'S/Intermediates Literature: Application: 1-Bromo-2,2-dimethylpropane; Neopentyl Bromide/ (CAS: 630-17-1) is useful as reference Impurity standard. 
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Product Name : (4-methoxyphenyl)methanethiol; 4-Methoxy-α-toluenethiol; 4-Methoxybenzyl Mercaptan/ (CAS: 6258-60-2)
Code: JCKSM-265 CAS: 6258-60-2 Chemical Formula: C8H10OS Molecular Weight: 154.23 Category: KSM'S/Intermediates Literature: Application: (4-methoxyphenyl)methanethiol/ (CAS: 6258-60-2) is useful as reference Impurity standard. 
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Product Name : Citraconic Anhydride; Methylmaleic Anhydride/ (CAS: 616-02-4)
Code: JCKSM-264 CAS: 616-02-4 Chemical Formula: C5H4O3 Molecular Weight: 112.08 Category: KSM'S/Intermediates Literature: Application: Citraconic Anhydride; Methylmaleic Anhydride/ (CAS: 616-02-4) is useful as reference Impurity standard. 
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Product Name : (E)-1,3-Diphenylprop-2-en-1-one/ (CAS: 614-47-1)
Code: JCKSM-263 CAS: 614-47-1 Chemical Formula: C₁₅H₁₂O Molecular Weight: 208.26 Category: KSM'S/Intermediates Literature: Application: (E)-1,3-Diphenylprop-2-en-1-one/ (CAS: 614-47-1) is useful as reference Impurity standard. 
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Product Name : 1,3,5-Triphenylbenzene/ (CAS: 612-71-5)
Code: JCKSM-262 CAS: 612-71-5 Chemical Formula: C24H18 Molecular Weight: 306.41 Category: KSM'S/Intermediates Literature: Application: 1,3,5-Triphenylbenzene/ (CAS: 612-71-5) is useful as reference Impurity standard. 
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Product Name : 1-(tert-butyl) 3-methyl azetidine-1,3-dicarboxylate;Azetidine-1,3-dicarboxylic Acid 1-tert-Butyl 3-Methyl Ester/ (CAS: 610791-05-4)
Code: JCKSM-261 CAS: 610791-05-4 Chemical Formula: C10H17NO4 Molecular Weight: 215.25 Category: KSM'S/Intermediates Literature: Application: 1-(tert-butyl) 3-methyl azetidine-1,3-dicarboxylate/ (CAS: 610791-05-4) is useful as reference Impurity standard. 
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Product Name : 1-Iodo-2-Nitrobenzene; 2-Iodonitrobenzene/ (CAS: 609-73-4)
Code: JCKSM-260 CAS: 609-73-4 Chemical Formula: C6H4INO2 Molecular Weight: 249.01 Category: KSM'S/Intermediates Literature: Application: 1-Iodo-2-Nitrobenzene; 2-Iodonitrobenzene/ (CAS: 609-73-4) is useful as reference Impurity standard. 
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Product Name : 8-Nitroquinoline/ (CAS: 607-35-2)
Code: JCKSM-259 CAS: 607-35-2 Chemical Formula: C9H6N2O2 Molecular Weight: 174.16 Category: KSM'S/Intermediates Literature: Application: 8-Nitroquinoline/ (CAS: 607-35-2) is useful as reference Impurity standard. 
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Product Name : (4-(Methoxycarbonyl)-3-methylphenyl)boronic acid/ (CAS: 603122-81-2)
Code: JCKSM-258 CAS: 603122-81-2 Chemical Formula: C9H11BO4 Molecular Weight: 193.99 Category: KSM'S/Intermediates Literature: Application: (4-(Methoxycarbonyl)-3-methylphenyl)boronic acid/ (CAS: 603122-81-2) is useful as reference Impurity standard. 
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Product Name : 3-Bromophenethylamine; 2-(3-Bromophenyl)ethylamine/ (CAS: 58971-11-2)
Code: JCKSM-257 CAS: 58971-11-2 Chemical Formula: C8H10BrN Molecular Weight: 200.08 Category: KSM'S/Intermediates Literature: Application: 3-Bromophenethylamine; 2-(3-Bromophenyl)ethylamine/ (CAS: 58971-11-2) is useful as reference Impurity standard. 
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Product Name : Methyl 2-Chloroisonicotinate; 2-Chloroisonicotinic Acid Methyl Ester; Methyl 2-Chloro-4-pyridinecarboxylate; 2-Chloro-4-pyridinecarboxylic Acid Methyl Ester/ (CAS: 58481-11-1)
Code: JCKSM-256 CAS: 58481-11-1 Chemical Formula: C7H6ClNO2 Molecular Weight: 171.58 Category: KSM'S/Intermediates Literature: Application: Methyl 2-Chloroisonicotinate; Methyl 2-Chloro-4-pyridinecarboxylate / (CAS: 58481-11-1) is useful as reference Impurity standard. 
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Product Name : 4-Bromo-2-methylaniline; 2-Amino-5-bromotoluene; 4-Bromo-o-toluidine/ (CAS: 583-75-5)
Code: JCKSM-255 CAS: 583-75-5 Chemical Formula: C7H8BrN Molecular Weight: 186.05 Category: KSM'S/Intermediates Literature: Application: 4-Bromo-2-methylaniline; 4-Bromo-o-toluidine/ (CAS: 583-75-5) is useful as reference Impurity standard. 
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Product Name : 4-Bromo-1,2-Dimethylbenzene; 4-Bromo-o-xylene/ (CAS: 583-71-1)
Code: JCKSM-254 CAS: 583-71-1 Chemical Formula: C8H9Br Molecular Weight: 185.06 Category: KSM'S/Intermediates Literature: Application: 4-Bromo-1,2-Dimethylbenzene; 4-Bromo-o-xylene/ (CAS: 583-71-1) is useful as reference Impurity standard. 
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Product Name : 1-Bromo-2,4-Dimethylbromobenzene; 4-Bromo-m-xylene/ (CAS: 583-70-0)
Code: JCKSM-253 CAS: 583-70-0 Chemical Formula: C8H9Br Molecular Weight: 185.06 Category: KSM'S/Intermediates Literature: Application: 1-Bromo-2,4-Dimethylbromobenzene; 4-Bromo-m-xylene/ (CAS: 583-70-0) is useful as reference Impurity standard. 
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Product Name : Acridin-9(10H)-one/ (CAS: 578-95-0)
Code: JCKSM-252 CAS: 578-95-0 Chemical Formula: C13H9NO Molecular Weight: 195.22 Category: KSM'S/Intermediates Literature: Application: Acridin-9(10H)-one/ (CAS: 578-95-0) is useful as reference Impurity standard. 
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Product Name : 8-Aminoquinoline/ (CAS: 578-66-5)
Code: JCKSM-251 CAS: 578-66-5 Chemical Formula: C9H8N2 Molecular Weight: 144.18 Category: KSM'S/Intermediates Literature: Application: 8-Aminoquinoline/ (CAS: 578-66-5) is useful as reference Impurity standard. 
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Product Name : 1-Bromo-2-Nitrobenzene; 2-Bromonitrobenzene/ (CAS: 577-19-5)
Code: JCKSM-250 CAS: 577-19-5 Chemical Formula: C6H4BrNO2 Molecular Weight: 202.01 Category: KSM'S/Intermediates Literature: Application: 1-Bromo-2-Nitrobenzene; 2-Bromonitrobenzene/ (CAS: 577-19-5) is useful as reference Impurity standard. 
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Product Name : 4-Methylphenylboronic Acid; p-Tolylboronic Acid/ (CAS: 5720-05-8)
Code: JCKSM-249 CAS: 5720-05-8 Chemical Formula: C7H9BO2 Molecular Weight: 135.96 Category: KSM'S/Intermediates Literature: Application: 4-Methylphenylboronic Acid; p-Tolylboronic Acid/ (CAS: 5720-05-8) is useful as reference Impurity standard. 
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Product Name : 4-Acetyl-2-methylbenzoic Acid/ (CAS: 55860-35-0)
Code: JCKSM-248 CAS: 55860-35-0 Chemical Formula: C₁₀H₁₀O₃ Molecular Weight: 178.18 Category: KSM'S/Intermediates Literature: Application: 4-Acetyl-2-methylbenzoic Acid/ (CAS: 55860-35-0) is useful as reference Impurity standard. 
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Product Name : (2-Nitrophenyl)boronic Acid/ (CAS: 5570-19-4)
Code: JCKSM-247 CAS: 5570-19-4 Chemical Formula: C6H6BNO4 Molecular Weight: 166.93 Category: KSM'S/Intermediates Literature: Application: (2-Nitrophenyl)boronic Acid/ (CAS: 5570-19-4) is useful as reference Impurity standard. 
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Product Name : 1-Bromo-3,5-dimethylbenzene; 5-Bromo-m-xylene/ (CAS: 556-96-7)
Code: JCKSM-246 CAS: 556-96-7 Chemical Formula: C8H9Br Molecular Weight: 185.06 Category: KSM'S/Intermediates Literature: Application: 1-Bromo-3,5-dimethylbenzene; 5-Bromo-m-xylene/ (CAS: 556-96-7) is useful as reference Impurity standard. 
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Product Name : 2,4-Dimethylphenylboronic acid/ (CAS: 55499-44-0)
Code: JCKSM-245 CAS: 55499-44-0 Chemical Formula: C8H11BO2 Molecular Weight: 149.98 Category: KSM'S/Intermediates Literature: Application: 2,4-Dimethylphenylboronic acid/ (CAS: 55499-44-0) is useful as reference Impurity standard. 
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Product Name : 3,4-Dimethylphenylboronic Acid/ (CAS: 55499-43-9)
Code: JCKSM-244 CAS: 55499-43-9 Chemical Formula: C8H11BO2 Molecular Weight: 149.98 Category: KSM'S/Intermediates Literature: Application: 3,4-Dimethylphenylboronic Acid/ (CAS: 55499-43-9) is useful as reference Impurity standard. 
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Product Name : 1-Benzylazetidin-3-ol/ (CAS: 54881-13-9)
Code: JCKSM-243 CAS: 54881-13-9 Chemical Formula: C10H13NO Molecular Weight: 163.22 Category: KSM'S/Intermediates Literature: Application: 1-Benzylazetidin-3-ol/ (CAS: 54881-13-9) is useful as reference Impurity standard. 
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Product Name : 1,2,3,4-Tetrahydrobenzo[h]quinolin-3-ol/ (CAS: 5423-67-6)
Code: JCKSM-242 CAS: 5423-67-6 Chemical Formula: C13H13NO Molecular Weight: 199.25 Category: KSM'S/Intermediates Literature: Application: 1,2,3,4-Tetrahydrobenzo[h]quinolin-3-ol/ (CAS: 5423-67-6) is useful as reference Impurity standard. ![1,2,3,4-Tetrahydrobenzo[h]quinolin-3-ol/ (CAS: 5423-67-6)](https://drjcrbio.com/wp-content/uploads/KSM-242.png)
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Product Name : Methyl 1-benzhydrylazetidine-3-carboxylate/ (CAS: 53871-06-0)
Code: JCKSM-241 CAS: 53871-06-0 Chemical Formula: C18H19NO2 Molecular Weight: 281.35 Category: KSM'S/Intermediates Literature: Application: Methyl 1-benzhydrylazetidine-3-carboxylate/ (CAS: 53871-06-0) is useful as reference Impurity standard. 
