(Val4)-Angiotensin III CAS 16376-83-3
| CAS No. | 16376-83-3 |
| Molecular Formula | C45H64N12O9 |
| Molecular Weight | 917.07 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies (Val4)-Angiotensin III (CAS 16376-83-3), a certified reference material (molecular formula C45H64N12O9, MW 917.07 g/mol) for analytical method development and quality control.
(Val4)-Angiotensin III (C45H64N12O9) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. It is notably hygroscopic, 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 is suitable for quantitative analysis on major chromatographic platforms including HPLC, GC, LC-MS/MS, and GC-MS, serving as an external calibration standard or a system suitability test reference material.
As a certified reference material (CRM), (Val4)-Angiotensin III meets the metrological traceability requirements of ISO/IEC 17025 laboratories. Batch-to-batch consistency is monitored via control charts to guarantee comparable assigned values across lots.
Physical & Chemical Properties
| Molecular Formula | C45H64N12O9 |
| Molecular Weight | 917.07 g/mol |
| Purity | 97%+ |
| Storage | Store in a cool place (≤25°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) | 20.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1961 |
| Nitrogen Atoms | 12 |
Related Val Standards
- [Val4] Angiotensin III (CAS 100900-28-5)
- Angiotensin I (1-7) (CAS 51833-78-4)
- Angiotensin II Antipeptide (CAS 121379-63-3)
- [Ile7] Angiotensin III (CAS 52498-25-6)
- Angiotensin I Converting Enzyme Inhibitor (CAS 80943-05-1)
- 1176306-10-7 Angiotensin A (1-7) (CAS 1176306-10-7)
- (Sar1)-Angiotensin II (CAS 51833-69-3)
- Angiotensin A (CAS 51833-76-2)
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