(D-Phe12,Nle21·3?,α-Me-Leu3?)-CRF (12-41) (human, rat) CAS 150646-45-0
| CAS No. | 150646-45-0 |
| Molecular Formula | C159H267N49O43 |
| Molecular Weight | 3553.17 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), (D-Phe12,Nle21·3?,α-Me-Leu3?)-CRF (12-41) (human, rat) 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.
CATO supplies (D-Phe12,Nle21·3?,α-Me-Leu3?)-CRF (12-41) (human, rat) (CAS 150646-45-0), a certified reference material (molecular formula C159H267N49O43, MW 3553.17 g/mol) for analytical method development and quality control.
Structurally, (D-Phe12,Nle21·3?,α-Me-Leu3?)-CRF (12-41) (human, rat) (C159H267N49O43) contains a nitrogen-containing heterocyclic scaffold, an amide group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 51.0, corresponding to approximately 51 ring(s) or double-bond equivalent(s). With a molecular weight of 3553.17 g/mol, it falls into the high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
Physical & Chemical Properties
| Molecular Formula | C159H267N49O43 |
| Molecular Weight | 3553.17 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) | 51.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2000 |
| Nitrogen Atoms | 49 |
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