Duloxetine Impurity 31 CAS 940291-11-2
Purity 97%+In StockPharmacopoeial Impurity Standards
| CAS No. | 940291-11-2 |
| Molecular Formula | C18H19NOS |
| Molecular Weight | 297.41 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Duloxetine Impurity 31 (CAS 940291-11-2) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C18H19NOS. Molecular weight: 297.41 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C18H19NOS |
| Molecular Weight | 297.41 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Duloxetine Standards
- Duloxetine EP Impurity A (CAS 116539-60-7)
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- Duloxetine EP Impurity C (CAS 949095-98-1)
- Duloxetine EP Impurity F (CAS 959392-22-4)
- Duloxetine EP Impurity E (CAS 1033803-59-6)
- Duloxetine 2-Naphthalenol Impurity (CAS 1346599-09-4)
- Duloxetine (CAS 116539-59-4)
Recommended Standards
- Tolindate (CAS 27877-51-6)
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- Bumetanide Impurity 34 (CAS CATO-C4X-198634)
- Trilaciclib Impurity 2 (CAS CATO-C4X-30442)
- 4-Bromo-3-methoxybenzamide (CAS 176961-57-2)
- 2-(4-chlorophenyl)-4-methylpentanoic acid (CAS 33127-05-8)
- 7-((2S,4S,5R)-5-((Bis(4-methoxyphenyl)(phenyl)methoxy)methyl)-4-hydroxytetrahydrofuran-2-yl)-1H-pyrrolo[2,3-d]pyrimidine-2,4(3H,7H)-dione (CAS 869355-16-8)
- 3',5'-Dimethyl-[1,1'-biphenyl]-4-amine (CAS 444143-44-6)
- Semaglutide impurity 98 (CAS CATO-C4X-222698)
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