(Arg8)-Vasopressin (4-9) CAS 96027-30-4
| CAS No. | 96027-30-4 |
| Molecular Formula | C25H44N12O8S |
| Molecular Weight | 672.76 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
(Arg8)-Vasopressin (4-9) (C25H44N12O8S) contains a flavonoid core, an amide group, a sulfone 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
(Arg8)-Vasopressin (4-9) (CAS 96027-30-4), molecular formula C25H44N12O8S and molecular weight 672.76 g/mol, is a CATO reference standard with documented purity and traceability.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), (Arg8)-Vasopressin (4-9) 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 | C25H44N12O8S |
| Molecular Weight | 672.76 g/mol |
| Purity | >95% |
| 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) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 12 |
| Sulfur Atoms | 1 |
Related Arg Standards
- Vasopressin Impurity 5 (CAS CATO-C4X-23655)
- [Asp5]vasopressin (CAS 78031-79-5)
- Vasopressin Impurity 3 (CAS CATO-C4X-23653)
- Vasopressin Impurity 4 (CAS CATO-C4X-23654)
- Vasopressin Impurity 6 (CAS CATO-C4X-23656)
- [Arg 8]-Vasopressin Acetate (CAS 129979-57-3)
- Vasopressin, 8-L-arginine-, monoacetate (CAS 83968-48-3)
- Vasopressin acetate (CAS 11000-17-2 (Free base))
Recommended Standards
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- 2-Methyl-1,4-phenylene Bis[4-[[6-(acryloyloxy)hexyl]oxy]benzoate] (CAS 125248-71-7)
- Azilsartan Impurity 153 (CAS 1454372-34-9)
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- (Z)-4-((3-ethynylphenyl)amino)-4-oxobut-2-enoic acid (CAS 951166-01-1)
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- Des-Ile17-Tirzepatide (CAS CATO-CPTD788956)
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