Noradrenaline EP Impurity E CAS 99-40-1
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 99-40-1 |
| Molecular Formula | C8H7ClO3 |
| Molecular Weight | 186.59 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies Noradrenaline EP Impurity E (CAS 99-40-1), a pharmacopoeial impurity standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C8H7ClO3. Molecular weight: 186.59 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C8H7ClO3 |
| Molecular Weight | 186.59 g/mol |
| Appearance | Off-white to pale yellow crystalline powder. (slight halide-like odor) |
| Purity | >95% |
| Storage | Store at 2-8°C, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Hygroscopic; reseal immediately after opening; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 5.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
Related Noradrenaline Standards
- Noradrenaline EP Impurity E (CAS 54234-59-2)
- Noradrenaline RC 1 (Base) (CAS 97-31-4)
- L-Noradrenaline (CAS 51-41-2)
- Noradrenaline(Norepinephrine) Impurity 68 (CAS 67083-58-3)
- l-Noradrenaline tartrate (CAS 51-40-1)
- Noradrenaline Hydrochloride EP Impurity B (CAS 5090-29-9)
- Noradrenaline bitartrate (CAS 69815-49-2)
- L-Noradrenaline Bitartrate Monohydrate (CAS 108341-18-0)
Recommended Standards
- Norepinephrine Impurity 31 (CAS 39878-43-8)
- Glibenclamide Impurity 7 (CAS 3438-16-2)
- Norepinephrine Impurity 13 (CAS 63704-55-2)
- Atrasentan Impurity 20 (CAS 1058350-30-3)
- Chloroprocaine Impurity 9 (CAS CATO-C4X-32869)
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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 13829788188 / jacky.chen@cato-chem.com