Bosentan Impurity 38
- CAS1355251-10-3
- CatalogueRS-B039013
- FormulaC20H27NO4S2
- MW409.56
On this page
Product identification
| Product name | Bosentan Impurity 38 |
|---|---|
| Catalogue No. | RS-B039013 |
| CAS No. | 1355251-10-3 |
| Molecular formula | C20H27NO4S2 |
| Molecular weight | 409.56 |
| Availability | Back order— restocking can be arranged, about 1–2 weeks |
| Standard type | Impurity Reference Standards |
| Drug substance | Bosentan |
| Storage | Refer to the certificate of analysis (COA) supplied with each lot |
| Intended use | For laboratory and research use only. Not for human or veterinary use. |
What is stated on the certificate
Content and purity are assigned per lot and stated on the certificate of analysis issued for the batch you receive — they are not a catalogue-level figure. The certificate records the tests performed, the specification applied and the result obtained for that lot.
| Field | Basis |
|---|---|
| Identity | Spectroscopic and chromatographic methods appropriate to the material |
| Purity | Chromatographic purity, area normalisation unless stated otherwise |
| Assay / content | Mass balance, corrected for the stated volatiles and residue |
| Catalogue and batch numbers | RS-B039013 / batch number on the certificate |
| Retest date | Printed on the certificate for the lot supplied |
Frequently asked
What documentation is supplied with this lot?
Is the assigned value given on an “as is” basis?
How should this material be stored?
Do you supply pack sizes other than those listed?
Finding this standard
Buyers reach this compound by CAS number, by catalogue number, through the drug substance it belongs to, or through the type of standard it is. Those routes all start here:
- Other impurities of Bosentan
- Impurity Reference Standards of this kind
- Documents for this item (COA, SDS)
- Certificate of analysis for RS-B039013
- Request a quotation for RS-B039013
Searching another way? Send the structure, a SMILES string or the pharmacopoeial name — a CAS number is not required for a non-compendial impurity. Write to sales@rssechem.com.
Other standards of Bosentan
All 55 further standards are listed here — every link is in the page, not loaded later.
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Bosentan
BACK ORDERRS-Z399MIE -
Bosentan Monohydrate
IN STOCKRS-U091161 -
Bosentan Potassium
BACK ORDERRS-B039009 -
Bosentan sodium
BACK ORDERRS-U091146 -
Bosentan USP Related Compound A
IN STOCKRS-B039003 -
Bosentan USP Related Compound B
IN STOCKRS-B039005 -
Bosentan USP Related Compound C
IN STOCKRS-B039001 -
Bosentan USP Related Compound D
IN STOCKRS-B039004 -
1,2-Bis(4-(tert-butyl)phenyl)disulfane
IN STOCKRS-Z401KRH -
2-((6-Chloro-5-(2-methoxyphenoxy)-[2,2'-bipyrimidin]-4-yl)oxy)ethan-1-ol
IN STOCKRS-P001888 -
2-((Tetrahydro-2H-pyran-2-yl)oxy)ethan-1-ol
IN STOCKRS-P010575 -
2-(2-((Tetrahydro-2H-pyran-2-yl)oxy)ethoxy)ethan-1-ol
IN STOCKRS-P010576 -
2-(tert-Butyl)benzenesulfonyl Chloride
IN STOCKRS-P010686 -
2-Propoxyethyl 4-methylbenzenesulfonate
IN STOCKRS-P017365 -
4,6-Dihydroxy-5-(o-methoxyphenoxy)-2,2?-bipyrimidine
IN STOCKRS-U068193 -
Medroxyprogesterone Acetate EP Impurity C
BACK ORDERRS-U067019 -
4-(tert-Butyl)benzenesulfinic Chloride
IN STOCKRS-Z401K15 -
4-(tert-Butyl)benzenesulfonohydrazide
IN STOCKRS-P010702 -
4-isopropylbenzenesulfonamide
CUSTOM SYNTHESISRS-C032023 -
5-(2-Methoxyphenoxy)-[2,2'-bipyrimidine]-4,6(1H,5H)-dione
IN STOCKRS-P011344 -
Bosentan D4
IN STOCKRS-B039022 -
Bosentan Formate
BACK ORDERRS-I012207 -
Bosentan tert-butyl ether
BACK ORDERRS-I012206 -
DesMethyl Bosentan
IN STOCKRS-I010067 -
Desmethyl Bosentan-d4
CUSTOM SYNTHESISRS-Z401GV4 -
Diethyl 2-(2-Methoxyphenoxy)Malonate
IN STOCKRS-U211MCJ -
Diethyl 2-(benzyloxy)malonate
IN STOCKRS-Z401JI4 -
Diethyl 2-methoxymalonate
CUSTOM SYNTHESISRS-P006932 -
ethyl 4-(tert-butyl)benzenesulfonate
IN STOCKRS-I006056 -
Hydroxy Bosentan
BACK ORDERRS-I007021 -
Hydroxy Bosentan-d4
CUSTOM SYNTHESISRS-B039007 -
Hydroxy Bosentan-d6
BACK ORDERRS-B039011 -
Hydroxy O-Desmethyl Bosentan
BACK ORDERRS-B039006 -
N,N'-[5-(2-Methoxyphenoxy)[2,2'-bipyrimidine]-4,6-diyl]bis[4-(1,1-dimethylethyl)benzenesulfonamide]
CUSTOM SYNTHESISRS-P025053 -
Bosentan Impurity 2
IN STOCKRS-B039020 -
Bosentan Impurity 7
IN STOCKRS-Z396OUU -
Bosentan Impurity 10
CUSTOM SYNTHESISRS-B039031 -
Bosentan Impurity 12
IN STOCKRS-Z396OS4 -
Bosentan Impurity 23
CUSTOM SYNTHESISRS-B039016 -
Bosentan Impurity 26
CUSTOM SYNTHESISRS-B039018 -
Bosentan Impurity 27
BACK ORDERRS-B039002 -
Bosentan Impurity 28
IN STOCKRS-B039014 -
Bosentan Impurity 29
IN STOCKRS-B039017 -
Bosentan Impurity 30
BACK ORDERRS-B039019 -
Bosentan Impurity 31
IN STOCKRS-B039021 -
Bosentan Impurity 32
CUSTOM SYNTHESISRS-B039023 -
Bosentan Impurity 35
IN STOCKRS-B039008 -
Bosentan Impurity 36
BACK ORDERRS-B039010 -
Bosentan Impurity 37
IN STOCKRS-B039012 -
Bosentan Impurity 39
BACK ORDERRS-B039024
Pharmacopoeial names (EP, USP, BP, JP) are used for identification purposes only and do not imply endorsement by those bodies. This product is supplied for laboratory and research use only — not for human or veterinary use.








![Chemical structure of 2-((6-Chloro-5-(2-methoxyphenoxy)-[2,2'-bipyrimidin]-4-yl)oxy)ethan-1-ol](/structures/w4/CCJDOHMWYKXBNA-UHFFFAOYSA-N.webp?v=8)






![Chemical structure of 4-(tert-Butyl)-N-(5-(2-methoxyphenoxy)-6-(vinyloxy)-[2,2'-bipyrimidin]-4-yl)benzenesulfonamide](/structures/w4/PQLKPAVNXONUSW-UHFFFAOYSA-N.webp?v=8)
![Chemical structure of 4-(Tert-butyl)-N-(5-hydroxy-6-(2-(2-hydroxyethoxy)ethoxy)-[2,2'-bipyrimidin]-4-yl)benzenesulfonamide](/structures/w4/QGDQUZAUKUCPQO-UHFFFAOYSA-N.webp?v=8)




![Chemical structure of 5-(2-Methoxyphenoxy)-[2,2'-bipyrimidine]-4,6(1H,5H)-dione](/structures/w4/ZJMPECSQUMNGPA-UHFFFAOYSA-N.webp?v=8)
![Chemical structure of Benzenesulfonamide, 4-(1,1-dimethylethyl)-N-[6-(ethenyloxy)-5-hydroxy[2,2′-bipyrimidin]-4-yl]-](/structures/w4/NVFOHQFYZFTQJU-UHFFFAOYSA-N.webp?v=8)



![Chemical structure of Cesium ((4-(tert-butyl)phenyl)sulfonyl)(6-chloro-5-(2-methoxyphenoxy)-[2,2'-bipyrimidin]-4-yl)amide](/structures/w4/MEBJNNGITIFHLK-UHXIUGMWSA-N.webp?v=8)










![Chemical structure of N,N'-[5-(2-Methoxyphenoxy)[2,2'-bipyrimidine]-4,6-diyl]bis[4-(1,1-dimethylethyl)benzenesulfonamide]](/structures/w4/IOPOIYIIPLHCQV-UHFFFAOYSA-N.webp?v=8)















