Building Blocks
1711 Results Found
Page 6 of 52
Building Blocks (Aliphatic/Aromatic/Heterocyclic/Carbohydrates)
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Product Name : Myristic Acid (CAS: 544-63-8)
Code: JC-BB1595 CAS: 544-63-8 Chemical Formula: C14H28O2 Molecular Weight: 228.37 Category: Reference Standards/ API Drug Metabolites/ EP Impurities/ USP Impurities Status: Limited Stock; Contact: sales@drjcrbio.com Application: Manufacturer of Myristic Acid (CAS: 544-63-8) is useful as reference Impurity standard 
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Product Name : 4-Chlorocinnamic Acid (CAS: 1615-02-7)
Code: JC-BB1594 CAS: 1615-02-7 Chemical Formula: C9H7ClO2 Molecular Weight: 182.6037 Category: Building Blocks; Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Status: Limited Stock; Contact: sales@drjcrbio.com Application: Manufacturer of 4-Chlorocinnamic Acid (CAS: 1615-02-7) is useful as reference Impurity standard. 
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Product Name : Phthalimide/85-41-6
Code: BB1593 CAS:85-41-6 Chemical Formula:C8H5NO2 Molecular Weight: 147.13 Category: Building Blocks Literature: Application: Phthalimide/85-41-6 is useful as reference Impurity standard. 
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Product Name : 1,4-Butanesultone (CAS: 1633-83-6)
Code: JC-BB1592 CAS: 1633-83-6 Chemical Formula: C4H8O3S Molecular Weight: 136.17 Category: Building Blocks; Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Status: Limited Stock; Contact: sales@drjcrbio.com Application: Manufacturer of 1,4-Butanesultone (CAS: 1633-83-6) is useful as reference Impurity standard. 
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Product Name : Dimethylcarbamoyl Chloride/79-44-7
Code: BB1591 CAS:79-44-7 Chemical Formula:C3H6ClNO Molecular Weight:107.54 Category: Building Blocks Literature: Application: Dimethylcarbamoyl Chloride/79-44-7 is useful as reference Impurity standard. 
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Product Name : 1,4-Dichlorobutane/110-56-5
Code: BB1590 CAS: 110-56-5 Chemical Formula:C4H8Cl2 Molecular Weight: 127.01 Category: Building Blocks Literature: Application: 1,4-Dichlorobutane/110-56-5 is useful as reference Impurity standard. 
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Product Name : 1-(Bromomethyl)-2,4-dimethoxybenzene/161919-74-0
Code: BB1589 CAS: 55791-52-1 Chemical Formula:C9H11BrO2 Molecular Weight: 231.09 Category: Building Blocks Literature: Application: 1-(Bromomethyl)-2,4-dimethoxybenzene/161919-74-0 is useful as reference Impurity standard. 
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Product Name : 1-(Chloromethyl)-2,4-dimethoxybenzene/55791-52-1
Code: BB1588 CAS: 55791-52-1 Chemical Formula:C9H11ClO2 Molecular Weight: 186.64 Category: Building Blocks Literature: Application: 1-(Chloromethyl)-2,4-dimethoxybenzene/55791-52-1 is useful as reference Impurity standard. 
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Product Name : Benzyl piperidine-1-carboxylate (CAS: 3742-91-4)
Code: JC-BB1587 CAS: 3742-91-4 Chemical Formula: C13H17NO2 Molecular Weight: 219.28 Category: Building Blocks; Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Status: Limited Stock; Contact: sales@drjcrbio.com Application: Manufacturer of Benzyl piperidine-1-carboxylate (CAS: 3742-91-4) is useful as reference Impurity standard. 
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Product Name : 2-Chloro-4-methoxypyrimidine (CAS: 22536-63-6)
Code: JC-BB1555 CAS: 22536-63-6 Chemical Formula: C5H5ClN2O Molecular Weight: 144.56 Category: Building Blocks; Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Status: Limited Stock; Contact: sales@drjcrbio.com Application: Manufacturer of 2-Chloro-4-methoxypyrimidine (CAS: 22536-63-6) is useful as reference Impurity standard. 
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Product Name : 2-Chloro-7-methylquinoxaline/ 90272-84-7
Code: BB1586 CAS: 90272-84-7 Chemical Formula: C9H7ClN2 Molecular Weight: 178.62 Category: Building Blocks Literature: Application: 2-Chloro-7-methylquinoxaline/ 90272-84-7 is useful as reference Impurity standard. 
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Product Name : Oxazol-5-ylmethanol; 5-oxazolylmethanol ; 127232-41-1
Code: BB1585 CAS: 127232-41-1 Chemical Formula: C4H5NO2 Molecular Weight: 99.09 Category: Building Blocks Literature: Application: Oxazol-5-ylmethanol; 5-oxazolylmethanol ; 127232-41-1 is useful as reference Impurity standard. -
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Product Name : 2-fluoro-5-formylbenzamide/1236289-88-5
Code: BB1584 CAS: 1236289-88-5 Chemical Formula: C8H6FNO2 Molecular Weight: 167.14 Category: Building blocks Literature: Application:2-fluoro-5-formylbenzamide/1236289-88-5 is useful as reference Impurity standard 
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Product Name : Gallic acid;3,4,5-TRIHYDROXYBENZOIC ACID;gallic;graphite oxide;Gallic acid/149-91-7
Code: BB1583 CAS: 149-91-7 Chemical Formula: C7H6O5 Molecular Weight: 170.12 Category: Building blocks Literature: Application:Gallic acid;3,4,5-TRIHYDROXYBENZOIC ACID;gallic;graphite oxide;Gallic acid/149-91-7 is useful as reference Impurity standard 
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Product Name : 6-Amino-4-ethyl-2-oxo-1,2-dihydro-pyridine-3,5-dicarbonitrile/191992-54-8
Code: BB1582 CAS: 191992-54-8 Chemical Formula: C9H8N4O Molecular Weight: 188.19 Category: Building blocks Literature: Application:6-Amino-4-ethyl-2-oxo-1,2-dihydro-pyridine-3,5-dicarbonitrile/191992-54-8 is useful as reference Impurity standard 
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Product Name : 4-(Dibromomethyl)-benzoic Acid/29045-93-0
Code: BB1581 CAS: 29045-93-0 Chemical Formula: C8H6Br2O2 Molecular Weight: 293.94 Category: Building blocks Literature: Application:4-(Dibromomethyl)-benzoic Acid/29045-93-0 is useful as reference Impurity standard 
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Product Name : 2-propylmalononitrile/38091-73-5
Code: BB1580 CAS: 38091-73-5 Chemical Formula: C6H8N2 Molecular Weight: 108.143 Category: Building blocks Literature: Application: 2-propylmalononitrile/38091-73-5 is useful as reference Impurity standard 
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Product Name : propylidenemalonitrile/52833-34-8
Code: BB1579 CAS: 52833-34-8 Chemical Formula: C6H6N2 Molecular Weight: 106.127 Category: Building blocks Literature: Application: propylidenemalonitrile/52833-34-8 is useful as reference Impurity standard 
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Product Name : 2-Ethylpropane-1,1,3,3-tetracarbonitrile/90323-61-8
Code: BB1578 CAS:90323-61-8 Chemical Formula: C9H8N4 Molecular Weight: 172.189 Category: Building blocks Literature: Application: 2-Ethylpropane-1,1,3,3-tetracarbonitrile/90323-61-8 is useful as reference Impurity standard 
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Product Name : Methimazole dimer impurity; bis(1-methylimidazol-2-yl) disulphide/61747-29-3
Code: BB1577 CAS:61747-29-3 Chemical Formula: C8H10N4S2 Molecular Weight: 226.32 Category: Building blocks Literature: Application: bis(1-methylimidazol-2-yl) disulphide/61747-29-3 is useful as reference Impurity standard 
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Product Name : Dextran 40/9004-54-0
Code: BB1576 CAS:9004-54-0 Chemical Formula:C17H32O10 Molecular Weight:396.42998 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Dextran 40/9004-54-0 is useful as reference Impurity standard. 
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Product Name : 3-Iodo-1-(oxan-2-yl)pyrazole/1305323-24-3
Code: BB1575 CAS:1305323-24-3 Chemical Formula:C8H11IN2O Molecular Weight:278.09 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 3-Iodo-1-(oxan-2-yl)pyrazole/1305323-24-3 is useful as reference Impurity standard. 
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Product Name : 1-chloro-2-(chlorophenylmethyl)benzene (CAS: 56961-47-8)
Code: JC-BB1574 CAS: 56961-47-8 Chemical Formula: C13H10Cl2 Molecular Weight: 237.12 Category: Building Blocks; Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Status: Limited Stock; Contact: sales@drjcrbio.com Application: Manufacturer of 1-chloro-2-(chlorophenylmethyl)benzene (CAS: 56961-47-8) is useful as reference Impurity standard. 
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Product Name : 1-Chloro-3-(chlorophenylmethyl)benzene (CAS: 13391-39-4)
Code: JC-BB1573 CAS: 13391-39-4 Chemical Formula: C13H10Cl2 Molecular Weight: 237.12 Category: Building blocks; Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Status: Limited Stock; Contact: sales@drjcrbio.com Application: Manufacturer of 1-Chloro-3-(chlorophenylmethyl)benzene (CAS: 13391-39-4) is useful as reference Impurity standard. 
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Product Name : 3-Iodo-1H-pyrazole (CAS: 4522-35-4)
Code: JC-BB1572 CAS: 4522-35-4 Chemical Formula: C3H3IN2 Molecular Weight: 193.97 Category: Building blocks; Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Status: Limited Stock; Contact: sales@drjcrbio.com Application: Manufacturer of 3-Iodo-1H-pyrazole (CAS: 4522-35-4) is useful as reference Impurity standard. 
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Product Name : 4-Nitrophenylacetic Acid (CAS: 104-03-0)
Code: JC-BB1571 CAS: 104-03-0 Chemical Formula: C8H7NO4 Molecular Weight: 181.1455 Category: Building blocks; Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Status: Limited Stock; Contact: sales@drjcrbio.com Application: Manufacturer of 4-Nitrophenylacetic Acid (CAS: 104-03-0) is useful as reference Impurity standard. 
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Product Name : 1-(4-Fluorophenyl)piperazine/2252-63-3
Code: BB1570 CAS: 2252-63-3 Chemical Formula:C10H13FN2 Molecular Weight:180.22 Category: Building blocks Literature: Application: 1-(4-Fluorophenyl)piperazine/2252-63-3 is useful as reference Impurity standard. 
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Product Name : 2-Hydroxy-2-(pyridine-3-yl)acetonitrile (CAS: 17604-74-9)
Code: JC-BB1569 CAS: 17604-74-9 Chemical Formula: C7H6N2O Molecular Weight: 134.14 Category: Building blocks; Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Status: Limited Stock; Contact: sales@drjcrbio.com Application: Manufacturer of 2-Hydroxy-2-(pyridine-3-yl)acetonitrile (CAS: 17604-74-9) is useful as reference Impurity standard. 
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Product Name : Picolinamide/1452-77-3
Code: BB1568 CAS: 1452-77-3 Chemical Formula:C6H6N2O Molecular Weight:122.12 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: Picolinamide/1452-77-3 is useful as reference Impurity standard. 
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Product Name : o-Tonal 11 (orto isomer); 1-[4-(2-Hydroxyphenyl)-1-piperazinyl] ethanone (CAS: 220139-60-6)
Code: JC-BB1567 CAS: 220139-60-6 Chemical Formula: C12H16N2O2 Molecular Weight: 220.27 Category: Building blocks; Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Status: Limited Stock; Contact: sales@drjcrbio.com Application: Manufacturer of o-Tonal 11 (orto isomer); 1-[4-(2-Hydroxyphenyl)-1-piperazinyl] ethanone (CAS: 220139-60-6) is useful as reference Impurity standard. ![o-Tonal 11 (orto isomer); 1-[4-(2-Hydroxyphenyl)-1-piperazinyl] ethanone (CAS: 220139-60-6)](https://drjcrbio.com/wp-content/uploads/JC-BB1567.png)
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Product Name : 1-[4-(3-Hydroxyphenyl)-1-piperazinyl] ethanone; m-Tonal 11 (meta isomer) (CAS: 67915-02-0)
Code: JC-BB1566 CAS: 67915-02-0 Chemical Formula: C12H16N2O2 Molecular Weight: 220.27 Category: Building blocks; Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Status: Limited Stock; Contact: sales@drjcrbio.com Application: Manufacturer of 1-[4-(3-Hydroxyphenyl)-1-piperazinyl] ethanone; m-Tonal 11 (meta isomer) (CAS: 67915-02-0) is useful as reference Impurity standard. ![1-[4-(3-Hydroxyphenyl)-1-piperazinyl] ethanone; m-Tonal 11 (meta isomer) (CAS: 67915-02-0)](https://drjcrbio.com/wp-content/uploads/JC-BB1566.png)
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Product Name : D-Mannitol/69-65-8
Code: BB1565 CAS:69-65-8 Chemical Formula: C6H14O6 Molecular Weight: 182.17 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: D-Mannitol/69-65-8 is useful as reference Impurity standard. 
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Product Name : 1,2-Bis(4-pyridyl)hydrazine/19808-51-6
Code: BB1564 CAS:19808-51-6 Chemical Formula: C10H10N4 Molecular Weight: 186.2 Category: Reference Standards/API Drug Metabolites/EP Impurities/USP Impurities Literature: Application: 1,2-Bis(4-pyridyl)hydrazine/19808-51-6 is useful as reference Impurity standard. 
