144085-32-5 Angiotensin I-Converting Enzyme (ACE) Inactivator MFCD00274390 CAS 144085-32-5
| CAS No. | 144085-32-5 |
| Molecular Formula | C21H21N3O4 |
| Molecular Weight | 379.41 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
144085-32-5 Angiotensin I-Converting Enzyme (ACE) Inactivator MFCD00274390 (CAS 144085-32-5), molecular formula C21H21N3O4 and molecular weight 379.41 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C21H21N3O4, 144085-32-5 Angiotensin I-Converting Enzyme (ACE) Inactivator MFCD00274390 contains a flavonoid core, an amide group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 379.41 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
The assigned purity is verified by mass-balance and quantitative NMR (qNMR) approaches, with the expanded uncertainty reported at a 95% confidence level (k=2). Batch homogeneity and stability are independently assessed for every lot.
Physical & Chemical Properties
| Molecular Formula | C21H21N3O4 |
| Molecular Weight | 379.41 g/mol |
| Appearance | Pale yellow to yellow crystalline powder |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1998 |
| Nitrogen Atoms | 3 |
Related Angiotensin Standards
- Angiotensin II (5-8), human (CAS 34233-50-6)
- Angiotensin II (1-4), human (CAS 52580-29-7)
- Angiotensin I/II (3-7) (CAS 122483-84-5)
- Angiotensin I/II (1-5) (CAS 58442-64-1)
- Angiotensin I/II (4-8) (CAS 52530-60-6)
- Angiotensin II acetate salt (CAS 68521-88-0)
- Angiotensin Acetate (CAS 20071-00-5)
- Angiotensin I/II (1-7) (CAS 51833-78-4（free base）)
Recommended Standards
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- ML381 (CAS 1623481-80-0)
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- 3-(2-Chlorophenyl)-5-ethoxy-1H-1,2,4-triazole (CAS 62036-05-9)
- 2-Amino-3-(2-chloro-3,6-difluorophenyl)propanoic acid (CAS 1259981-12-8)
- Neuropeptide Y (1-24) amide (human, rat) (CAS 131448-51-6)
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