Rivaroxaban Impurity 139 CAS 85-41-6
| CAS No. | 85-41-6 |
| Molecular Formula | C8H5NO2 |
| Molecular Weight | 147.13 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Rivaroxaban Impurity 139 (C8H5NO2) contains an amino-acid-derived structure, an amide group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
CATO supplies Rivaroxaban Impurity 139 (CAS 85-41-6), a pharmacopoeial impurity reference standard (molecular formula C8H5NO2, MW 147.13 g/mol) used for the identification and quantification of trace impurities in APIs.
This reference standard supports related-substances testing and method development in line with ICH Q3A/Q3B guidance on impurity control, and is suitable for system suitability testing and forced-degradation studies.
As a certified reference material (CRM), Rivaroxaban Impurity 139 meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C8H5NO2 |
| Molecular Weight | 147.13 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
Related Rivaroxaban Standards
- Rivaroxaban Impurity 91 (CAS 7283-96-7)
- Rivaroxaban Impurity 51 (CAS 1918-79-2)
- Rivaroxaban Impurity 125 (CAS 19298-14-7)
- Rivaroxaban Impurity 85 (CAS 19213-72-0)
- Rivaroxaban Impurity 45 (CAS 6310-09-4)
- Rivaroxaban impurity 194 (CAS CATO-C4X-1090194)
- Rivaroxaban Impurity 114 (CAS 22353-82-8)
- Rivaroxaban Impurity 135 (CAS 53935-71-0)
Recommended Standards
- Topiroxostat Impurity 51 (CAS 98273-47-3)
- Olaparib Impurity 78 (CAS 73289-79-9)
- (2-ethoxy-2-oxoethyl)carbamic acid (CAS 87714-95-2)
- Dopamine Impurity 9 (CAS 582-59-2)
- Vonoprazan Impurity N27 (CAS 24367-50-8)
- Propranolol Impurity 27 (CAS CATO-C4X-151927)
- Topicamide lmpurity 7 (CAS CATO-C4X-21507)
- 2-Amino-5-((4-amino-3-sulfophenyl)(4-imino-3-sulfocyclohexa-2,5-dien-1-ylidene)methyl)-3-methylbenzenesulfonic acid (CAS 19379-19-2)
- (4-Chloro-2,5-difluorophenyl)(cyclopentyl)methanone (CAS 1443354-45-7)
- 2-((4-Allyl-5-(pyridin-2-yl)-4H-1,2,4-triazol-3-yl)thio)-N-(2-bromophenyl)acetamide (CAS 573933-57-0)
- 2-Hydroxy-3-isopropylnaphthalene-1,4-dione (CAS 7467-75-6)
- 6,7,8-Trimethoxycinnolin-4-ol (CAS 1314399-89-7)
- 4-Chloro-6-(methylsulfanyl)-1-phenyl-1H-pyrazolo[3,4-d]pyrimidine (CAS 339106-37-5)
- D-[His]1-Semaglutide (CAS CATO-C4X-222652)
Why CATO?
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- 130,000+ catalog items in stock, COA supplied with every batch
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