Macitentan Related Products 
Venkatasai is a leading innovator in the field of pharmaceutical reference standards, offering high-quality Reference Standards of Abacavir, including both pharmacopeial and non-pharmacopeial impurities, metabolites, stable isotope-labeled compounds, and nitrosamines (N-NO products). Our Abacavir impurity reference standards play a vital role in pharmaceutical research, supporting product development, ANDA and DMF filings, quality control (QC), method validation, and stability studies. They are also instrumental in identifying unknown impurities and evaluating genotoxic potential. All Abacavir-related products are thoroughly characterized and supplied with comprehensive Certificates of Analysis (COA) and analytical data that comply with regulatory standards. EP/USP traceable standards can also be provided upon request. Furthermore, all supplied products undergo periodic re-testing to ensure continued quality and reliability.
5-Bromo-2-Hydroxypyrimidine
CAT No: VS-M002033
CAS No: 38353-06-9
Mol.F.: C4H3BrN2O
Mol.Wt.: 174.99
Status: Custom Synthesis
5-desbromo-5-Chloro Macitentan
CAT No: VS-M002014
CAS No: 2443747-63-3
Mol.F.: C19H20BrClN6O4S
Mol.Wt.: 543.8
Status: In Stock
Despropylaminosulfonyl Macitentan
CAT No: VS-M002010
CAS No: 1433875-21-8
Mol.F.: C16H13Br2N5O2
Mol.Wt.: 467.1
Status: Custom Synthesis
Hydroxy N-Propyl Impurity
CAT No: VS-M002005
CAS No: N/A
Mol.F.: C15H18BrN3O2
Mol.Wt.: 352.2
Status: Custom Synthesis
Macitentan
CAT No: VS-M002000
CAS No: 441798-33-0
Mol.F.: C19H20Br2N6O4S
Mol.Wt.: 588.3
Status: Custom Synthesis
Macitentan 4-Chloro Analog
CAT No: VS-M002011
CAS No: 441798-36-3
Mol.F.: C19H20BrClN6O4S
Mol.Wt.: 543.8
Status: Custom Synthesis
Macitentan Dimer Impurity
CAT No: VS-M002002
CAS No: 2089065-77-8
Mol.F.: C28H32Br2N8O6S2
Mol.Wt.: 800.6
Status: Custom Synthesis
Macitentan Impurity 1
CAT No: VS-M002012
CAS No: 1433875-21-8
Mol.F.: C16H13Br2N5O2
Mol.Wt.: 467.1
Status: In Stock
Macitentan Impurity 10
CAT No: VS-M002020
CAS No: N/A
Mol.F.: C14H16BrN3O
Mol.Wt.: 322.2
Status: Custom Synthesis
Macitentan Impurity 11
CAT No: VS-M002021
CAS No: 2108101-97-7
Mol.F.: C16H23BrN6O4S2
Mol.Wt.: 507.4
Status: Custom Synthesis
Macitentan Impurity 12
CAT No: VS-M002022
CAS No: 1642873-04-8
Mol.F.: C12H10BrClN2O2
Mol.Wt.: 329.6
Status: Custom Synthesis
Macitentan Impurity 13
CAT No: VS-M002023
CAS No: 3974-18-3
Mol.F.: C10H5Cl3N2
Mol.Wt.: 259.5
Status: Custom Synthesis
Macitentan Impurity 14
CAT No: VS-M002024
CAS No: 2211059-05-9
Mol.F.: C12H12BrN3O2
Mol.Wt.: 310.2
Status: Custom Synthesis
Macitentan Impurity 15
CAT No: VS-M002025
CAS No: 2211059-00-4
Mol.F.: C19H21BrN6O4S
Mol.Wt.: 509.4
Status: Custom Synthesis
Macitentan Impurity 16
CAT No: VS-M002026
CAS No: 2211054-17-8
Mol.F.: C14H12BrNO
Mol.Wt.: 290.2
Status: Custom Synthesis
Macitentan Impurity 17
CAT No: VS-M002027
CAS No: 2211054-46-3
Mol.F.: C10H8BrN3O
Mol.Wt.: 266.1
Status: Custom Synthesis
Macitentan Impurity 18
CAT No: VS-M002028
CAS No: N/A
Mol.F.: C17H19BrN2O3S
Mol.Wt.: 411.3
Status: Custom Synthesis
Macitentan Impurity 19
CAT No: VS-M002029
CAS No: N/A
Mol.F.: C13H14BrClN4O2S
Mol.Wt.: 405.7
Status: Custom Synthesis
Macitentan Impurity 2
CAT No: VS-M002013
CAS No: 2211054-90-7
Mol.F.: C10H8Br2N4O2
Mol.Wt.: 376
Status: In Stock
Macitentan Impurity 20
CAT No: VS-M002030
CAS No: N/A
Mol.F.: C10H6BrClN2O
Mol.Wt.: 285.5
Status: Custom Synthesis
Macitentan Impurity 21
CAT No: VS-M002031
CAS No: 441797-83-7
Mol.F.: C12H12BrClN4O2S
Mol.Wt.: 391.7
Status: Custom Synthesis
Macitentan Impurity 22
CAT No: VS-M002032
CAS No: N/A
Mol.F.: C20H21Cl2N5O4S
Mol.Wt.: 498.4
Status: Custom Synthesis
Macitentan Impurity 5
CAT No: VS-M002015
CAS No: 441798-25-0
Mol.F.: C17H16Br2N6O4S
Mol.Wt.: 560.2
Status: In Stock
Macitentan Impurity 6
CAT No: VS-M002016
CAS No: 441796-13-0
Mol.F.: C18H18Br2N6O4S
Mol.Wt.: 574.3
Status: In Stock
Macitentan Impurity 7
CAT No: VS-M002017
CAS No: 1433875-14-9
Mol.F.: C15H17BrN4O5S
Mol.Wt.: 445.3
Status: Custom Synthesis
Macitentan Impurity 8
CAT No: VS-M002018
CAS No: 556796-88-4
Mol.F.: C17H15Br2N5O4S
Mol.Wt.: 545.2
Status: Custom Synthesis
Macitentan Impurity 9
CAT No: VS-M002019
CAS No: 2518002-08-7
Mol.F.: C11H8BrClN2O
Mol.Wt.: 299.6
Status: Custom Synthesis
Macitentan KSM-I Impurity
CAT No: VS-M002008
CAS No: 146533-41-7
Mol.F.: C10H5BrCl2N2
Mol.Wt.: 303.97
Status: Custom Synthesis
Macitentan KSM-III Impurity
CAT No: VS-M002009
CAS No: 32779-36-5
Mol.F.: C4H2BrClN2
Mol.Wt.: 193.4
Status: Custom Synthesis
Macitentan Pyrimidine Amine Impurity
CAT No: VS-M002004
CAS No: 1393813-42-7
Mol.F.: C13H14BrClN4O2S
Mol.Wt.: 405.7
Status: Custom Synthesis
Macitentan Stage-I Hydroxy Impurity
CAT No: VS-M002007
CAS No: 2365406-85-3
Mol.F.: C13H15BrN4O3S
Mol.Wt.: 387.3
Status: Custom Synthesis
N-Despropyl Macitentan
CAT No: VS-M002001
CAS No: 1103522-45-7
Mol.F.: C16H14Br2N6O4S
Mol.Wt.: 546.2
Status: In Stock
O-Desbromo-Pyrimidinyl Macitentan
CAT No: VS-M002003
CAS No: 1393813-43-8
Mol.F.: C15H19BrN4O4S
Mol.Wt.: 431.3
Status: Custom Synthesis
Pyrimidine N-Propyl Impurity
CAT No: VS-M002006
CAS No: N/A
Mol.F.: C19H19Br2N5O2
Mol.Wt.: 509.2
Status: Custom Synthesis
