Iguratimod impurity 103 CAS CATO-C4X-1826103
| CAS No. | CATO-C4X-1826103 |
| Molecular Formula | C17H12N4O8S |
| Molecular Weight | 432.36 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 432.36 g/mol gives Iguratimod impurity 103 distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
Iguratimod impurity 103 (CAS CATO-C4X-1826103) is a certified pharmaceutical impurity reference standard with the molecular formula C17H12N4O8S and a molecular weight of 432.36 g/mol.
Structurally, Iguratimod impurity 103 (C17H12N4O8S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 432.36 g/mol, it falls into the moderately-high-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
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.
CATO manufactures Iguratimod impurity 103 under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C17H12N4O8S |
| Molecular Weight | 432.36 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°C), protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 4 |
| Sulfur Atoms | 1 |
Related Iguratimod Standards
- Iguratimod Impurity 16 (CAS CATO-C4X-182616)
- Iguratimod Impurity 29 (CAS CATO-C4X-182629)
- Iguratimod Impurity 7 (CAS CATO-C4X-18267)
- Iguratimod Impurity 124 (CAS CATO-C4X-1826124)
- Iguratimod Impurity 123 (CAS CATO-C4X-1826123)
- Iguratimod Impurity 81 (CAS CATO-C4X-182681)
- Iguratimod impurity 100 (CAS CATO-C4X-1826100)
- Iguratimod Impurity 48 (CAS CATO-C4X-1826148)
Recommended Standards
- N-benzyl-2-((2,3-dichlorophenyl)thio)-N-(4-methoxyphenyl)acetamide (CAS 860788-20-1)
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- N,8-diphenyl-2,4-bis(trifluoromethyl)quinolin-7-amine (CAS 2472802-21-2)
- Fmoc-β-Homoselenomethionine (CAS 1369531-74-7)
- Epinephrine /Adrenaline Impurity 125 (CAS CATO-C4X-1849125)
- Enarodustat Impurity 26 (CAS CATO-C4X-322826)
- Flunarizine Impurity N1 HCl (CAS 123375-94-0(free base))
- 5-(1,3-Diphenyl-1H-pyrazol-4-yl)-1,3,4-oxadiazol-2(3H)-one (CAS 917947-68-3)
- Orforglipron impurity 134 (CAS CATO-C4X-3234134)
- Methyl (2Z)-3-[(2,3-dihydro-1,4-benzodioxin-6-yl)amino]-2-[4-(propan-2-yl)benzenesulfonyl]prop-2-enoate (CAS 1327175-23-4)
- d-6-Cyano-6-norlysergic Acid Methyl Ester (CAS 30334-04-4)
- (1R,4r)-1-N-(pyridin-2-yl)cyclohexane-1,4-diamine hydrochloride (CAS 1420872-40-7)
- 3-(5,6,7,8-Tetrahydro-1,8-naphthyridin-2-yl)propan-1-amine (CAS 206989-41-5)
- Peptide Impurity (CAS CATO-CPTD788810)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com