Metaraminol Impurity 21 CAS 1602857-94-2
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 1602857-94-2 |
| Molecular Formula | C9H11NO4 |
| Molecular Weight | 197.19 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Metaraminol Impurity 21 (CAS 1602857-94-2) is a pharmacopoeial impurity standards certified reference material from CATO. Molecular formula: C9H11NO4. Molecular weight: 197.19 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C9H11NO4 |
| Molecular Weight | 197.19 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (faint amine-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1993 |
| Nitrogen Atoms | 1 |
Related Metaraminol Standards
- Metaraminol Impurity 20 (CAS 1602857-90-8)
- Metaraminol Impurity 22 (CAS CATO-C4X-225222)
- Metaraminol Impurity 89 (CAS 1602857-88-4)
- Metaraminol Impurity 91 (CAS CATO-C4X-225291)
- Metaraminol Impurity 80 (CAS CATO-C4X-225280)
- Metaraminol Impurity 79 (CAS CATO-C4X-225279)
- Metaraminol Impurity 88 (CAS 27913-13-9)
- Metaraminol impurity 104 (CAS 1379208-51-1)
Recommended Standards
- Dopamine Impurity 70 (CAS 528594-30-1)
- Dopamine Impurity 30 (CAS 339186-39-9)
- Daprodustat Impurity 39 (CAS CATO-C4X-240739)
- Saxagliptin Impurity 31 (CAS 1564265-95-7 (free base))
- Roxadustat impurity 112 (CAS 39782-38-2)
- 2-Isobutyl-5-nitrobenzonitrile (CAS 288251-96-7)
- 1-[3-(3-hydroxyphenyl)-1-methylpyrrolidin-3-yl]propan-1-one hydrochloride(1:1) 5048-25-9 KST-1B4566 (CAS 5048-25-9)
- 1-[(3-methylphenyl)carbamoyl]piperidine-4-carboxylic acid (CAS 926217-39-2)
- [5-(2,4-Dichloro-phenyl)-4H-[1,2,4]triazol-3-ylsulfanyl]-acetic acid (CAS 18378-68-2)
- Neuropeptide SF (human) (CAS 192387-39-6)
Why CATO?
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