![2-((6-((4-(tert-Butyl)phenyl)sulfonamido)-5-(2-methoxyphenoxy)-[2,2'-bipyrimidin]-4-yl)oxy)ethyl Acetate chemical structure](/media/structures/DVUCWXZEHDZSTQ-UHFFFAOYSA-N.svg)
2-((6-((4-(tert-Butyl)phenyl)sulfonamido)-5-(2-methoxyphenoxy)-[2,2'-bipyrimidin]-4-yl)oxy)ethyl Acetate
- CAS
- 1160515-53-6
- Formula
- C29H31N5O7S
- MW
- 593.7 g/mol
VQ-024622
Impurity reference standards
Bosentan impurities & reference standards
Characterised Bosentan impurities, degradation products and related compounds for analytical method development, validation, QC release and regulatory filings.
35reference materials
2isotope-labelled
COAHPLC · NMR · MS on request
4-(tert-Butyl)-N-((4-(tert-Butyl)phenyl)sulfonyl)benzenesulfonamide
- CAS
- 1355251-10-3
- Formula
- C20H27NO4S2
- MW
- 409.6 g/mol
VQ-029476
![4-(tert-Butyl)-N-(5-(2-methoxyphenoxy)-6-(vinyloxy)-[2,2'-bipyrimidin]-4-yl)benzenesulfonamide chemical structure](/media/structures/PQLKPAVNXONUSW-UHFFFAOYSA-N.svg)
4-(tert-Butyl)-N-(5-(2-methoxyphenoxy)-6-(vinyloxy)-[2,2'-bipyrimidin]-4-yl)benzenesulfonamide
- CAS
- 1257099-44-7
- Formula
- C27H27N5O5S
- MW
- 533.6 g/mol
VQ-024621
![4-(Tert-Butyl)-N-(5-hydroxy-6-(2-(2-hydroxyethoxy)ethoxy)-[2,2'-bipyrimidin]-4-yl)benzenesulfonamide chemical structure](/media/structures/QGDQUZAUKUCPQO-UHFFFAOYSA-N.svg)
4-(Tert-Butyl)-N-(5-hydroxy-6-(2-(2-hydroxyethoxy)ethoxy)-[2,2'-bipyrimidin]-4-yl)benzenesulfonamide
- CAS
- 1257099-41-4
- Formula
- C22H27N5O6S
- MW
- 489.5 g/mol
VQ-036008
![4-(tert-Butyl)-N-(6-(2-(2-hydroxyethoxy)ethoxy)-5-(2-methoxyphenoxy)-[2,2'-bipyrimidin]-4-yl)benzenesulfonamide chemical structure](/media/structures/VVXKJPNRZVENLU-UHFFFAOYSA-N.svg)
4-(tert-Butyl)-N-(6-(2-(2-hydroxyethoxy)ethoxy)-5-(2-methoxyphenoxy)-[2,2'-bipyrimidin]-4-yl)benzenesulfonamide
- CAS
- 1257099-43-6
- Formula
- C29H33N5O7S
- MW
- 595.7 g/mol
VQ-024620
![6-Chloro-5-(2-methoxyphenoxy)-[2,2'-bipyrimidin]-4(3H)-one chemical structure](/media/structures/PGDZJTIWMLFVKA-UHFFFAOYSA-N.svg)
6-Chloro-5-(2-methoxyphenoxy)-[2,2'-bipyrimidin]-4(3H)-one
- CAS
- 1268612-27-6
- Formula
- C15H11ClN4O3
- MW
- 330.72 g/mol
VQ-036005
![Benzenesulfonamide, 4-(1,1-dimethylethyl)-N-[6-(ethenyloxy)-5-hydroxy[2,2′-bipyrimidin]-4-yl] chemical structure](/media/structures/NVFOHQFYZFTQJU-UHFFFAOYSA-N.svg)
Benzenesulfonamide, 4-(1,1-dimethylethyl)-N-[6-(ethenyloxy)-5-hydroxy[2,2′-bipyrimidin]-4-yl]
- CAS
- 1257099-42-5
- Formula
- C20H21N5O4S
- MW
- 427.5 g/mol
VQ-044040
![N-(6-(2-(tert-Butoxy)ethoxy)-5-(2-methoxyphenoxy)-[2,2'-bipyrimidin]-4-yl)-4-(tert-butyl)benzenesulfonamide chemical structure](/media/structures/CIVGGGJJFBXIJY-UHFFFAOYSA-N.svg)
N-(6-(2-(tert-Butoxy)ethoxy)-5-(2-methoxyphenoxy)-[2,2'-bipyrimidin]-4-yl)-4-(tert-butyl)benzenesulfonamide
- CAS
- 301646-60-6
- Formula
- C31H37N5O6S
- MW
- 607.7 g/mol
VQ-029481
![N,N′-[5-(2-Methoxyphenoxy)[2,2′-bipyrimidine]-4,6-diyl]bis[4(1,1dimethylethyl)benzenesulfonamide] chemical structure](/media/structures/IOPOIYIIPLHCQV-UHFFFAOYSA-N.svg)
N,N′-[5-(2-Methoxyphenoxy)[2,2′-bipyrimidine]-4,6-diyl]bis[4(1,1dimethylethyl)benzenesulfonamide]
- CAS
- 1218951-81-5
- Formula
- C35H38N6O6S2
- MW
- 702.8 g/mol
VQ-021866
![Potassium ((4-(tert-butyl)phenyl)sulfonyl)(6-chloro-5-(2-methoxyphenoxy)-[2,2'-bipyrimidin]-4-yl)amide chemical structure](/media/structures/AKVKGLFONGGDDC-UHFFFAOYSA-N.svg)
Potassium ((4-(tert-butyl)phenyl)sulfonyl)(6-chloro-5-(2-methoxyphenoxy)-[2,2'-bipyrimidin]-4-yl)amide
- CAS
- 301646-59-3
- Formula
- C25H23ClKN5O4S
- MW
- 564.1 g/mol
VQ-047606
FAQs — Bosentan impurities
Which Bosentan impurities do you supply?
We list 35 Bosentan-related reference materials, including process impurities, degradation products, stable-isotope-labelled standards and related compounds. Each is supplied with a COA, and characterisation data (HPLC, 1H-NMR, MS, IR) can be provided on request.
What are Bosentan impurity standards used for?
They are used for analytical method development and validation, impurity identification and quantification, forced-degradation and stability studies, and to support ANDA, DMF and other regulatory submissions under ICH Q3A/Q3B (and ICH M7 for mutagenic impurities).
Can you synthesise a Bosentan impurity that is not listed?
Yes. Our custom synthesis service can prepare and characterise unlisted impurities, metabolites and labelled analogues from milligram to gram scale. Share the structure or name and required quantity for a quotation.
Request Bosentan impurity standards
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