Hyoscine EP Impurity A CAS 4684-28-0
Purity >95%In StockPharmacopoeial Impurity Standards
| CAS No. | 4684-28-0 |
| Molecular Formula | C16H19NO4 |
| Molecular Weight | 289.33 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Hyoscine EP Impurity A (CAS 4684-28-0) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C16H19NO4. Molecular weight: 289.33 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C16H19NO4 |
| Molecular Weight | 289.33 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| 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) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1958 |
| Nitrogen Atoms | 1 |
Related Hyoscine Standards
- Hyoscine EP Impurity B (CAS 535-26-2)
- Hyoscine N-oxide (CAS 97-75-6)
- Hyoscine Butylbromide EP Impurity E (CAS 14861-14-4)
- Hyoscine EP Impurity C（R-isomer） (CAS 17126-67-9)
- Hyoscine Butylbromide EP Impurity E HCl (CAS 22235-98-9)
- Hyoscine Butylbromide EP Impurity C Bromide (CAS 155-41-9)
- Hyoscine Butylbromide EP Impurity F Iodine (CAS CATO-C4X-195812)
- Hyoscine Butylbromide EP Impurity D Bromide (CAS 30269-50-2)
Recommended Standards
- Dopamine Impurity 57 (CAS 16240-59-8)
- Selexipag Impurity 58 (CAS CATO-C4X-196158)
- Letrozole-d4 (CAS 1133712-96-5)
- Olaparib Impurity 66 (CAS 40019-44-1)
- Prasugrel EP Impurity A (CAS 1391194-45-8)
- Clindamycin (2R-cis)-Diastereomer 2-Phosphate (CAS 1800297-62-4)
- NPS 2390 (CAS 226878-01-9)
- 6336-45-4 InChI=1/C10H21BO2/c1-4-7-9-12-11(6-3)13-10-8-5-2/h6H,3-5,7-10H2,1-2H boronic acid, ethenyl-, dibutyl ester dibutyl vinylboronate (CAS 6336-45-4)
- (S)-2,2'-Dimethyl-1,1'-binaphthyl (CAS 32587-64-7)
- Human IgE Pentapeptide HEPP (CAS 62087-72-3)
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