Ramipril Impurity 4 CAS 122076-80-6
| CAS No. | 122076-80-6 |
| Molecular Formula | C15H21NO4 |
| Molecular Weight | 279.33 g/mol |
| Category | Pharmacopoeial Impurity Standards / EP Impurities |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Ramipril Impurity 4.
CATO supplies Ramipril Impurity 4 (CAS 122076-80-6), a pharmacopoeial impurity reference standard (molecular formula C15H21NO4, MW 279.33 g/mol) used for the identification and quantification of trace impurities in APIs.
Ramipril Impurity 4 (C15H21NO4) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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 Ramipril Impurity 4 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 | C15H21NO4 |
| Molecular Weight | 279.33 g/mol |
| Appearance | Off-white to pale 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) | 6.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1991 |
| Nitrogen Atoms | 1 |
Related Ramipril Standards
- Ramipril Impurity 5 (CAS 84324-12-9)
- Ramipril Impurity 6 (CAS 85196-26-5)
- Ramipril EP Impurity M (CAS 2743-38-6)
- Ramipril EP Impurity K (CAS 108736-10-3)
- Ramipril EP Impurity E (CAS 87269-97-4)
- Ramipril EP Impurity D (CAS 108731-95-9)
- Ramipril EP Impurity A (CAS 108313-11-7)
- Ramipril EP Impurity L (CAS 1309040-96-7)
Recommended Standards
- Enalapril EP Impurity B (CAS 82717-96-2)
- pregabalin Impurity 69 (CAS 1786719-42-3)
- Pregabalin Impurity 102 (CAS CATO-C4X-1312102)
- Tetracaine Impurity 30 (CAS CATO-C4X-192330)
- Citalopram EP Impurity E HCl (CAS 64169-47-7)
- Eliglustat Impurity 5 (CAS 1092472-66-6)
- Methotrexate Impurity 44 (CAS 93528-16-6)
- 2-(Morpholin-4-yl)pyrimidine-4-carboxylic acid (CAS 250726-42-2)
- 9-(Methylthio)-5,6-dihydrothieno[3,4-h]quinazoline-2(1H)-thione (CAS 913688-38-7)
- 2,2,2-Trifluoro-N-(7-oxo-4,5,6,7-tetrahydrothieno[2,3-c]pyridin-4-yl)acetamide (CAS 120061-42-9)
- 2-((4-Ethylnaphthalen-1-yl)methylene)-1H-indene-1,3(2H)-dione (CAS 27533-99-9)
- [(1R,2R)-2-amino-1,2-diphenylethyl(methanesulfonamido)](p-cymene)ruthenium(II) diphenyl phosphate (CAS 1637287-17-2)
- 4-Bromo-3-methoxypicolinaldehyde (CAS 1289070-32-1)
- a2,3-Sialylglycopeptide (CAS 189035-43-6)
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