Exendin (9-39) CAS 133514-43-9
| CAS No. | 133514-43-9 |
| Molecular Formula | C149H234N40O47S |
| Molecular Weight | 3369.80 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Exendin (9-39) 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.
Exendin (9-39) (CAS 133514-43-9), molecular formula C149H234N40O47S and molecular weight 3369.80 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Exendin (9-39) (C149H234N40O47S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 53.0, corresponding to approximately 53 ring(s) or double-bond equivalent(s). With a molecular weight of 3369.80 g/mol, it falls into the high-molecular-weight range. 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.
Physical & Chemical Properties
| Molecular Formula | C149H234N40O47S |
| Molecular Weight | 3369.80 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) | 53.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1995 |
| Nitrogen Atoms | 40 |
| Sulfur Atoms | 1 |
Related Exendin Standards
Recommended Standards
- CJC1295 Without DAC (CAS 863288-34-0)
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- Calcitonin (chicken) (CAS 100016-62-4)
- 6-Methyl-5-nitro-1,3-benzothiazol-2-amine (CAS 98114-44-4)
- 3-(1-Methylethylsulfonamido)benzoic acid (CAS 99642-25-8)
- 1-(2-Methyl-6-(piperidin-1-yl)pyridin-3-yl)propan-1-one (CAS 1355191-77-3)
- MIL-68-In-NH2 (CAS 1221168-57-5)
- 1-(3-Iodophenyl)-N,N-dimethylmethanamine (CAS 141189-59-5)
- 2,5-Bis(4-hydroxyphenyl)piperazine-d4 Dihydrochloride (CAS 1246816-38-5)
- 2-(4-Ethylcyclohexyl)-N-methylethan-1-amine (CAS 1344331-96-9)
- 2-(Difluoromethyl)-3,5-dimethoxy-4-methylpyridine (CAS 1806041-74-6)
- 4-[4-[[2-(4-Chlorophenyl)-5,5-dimethyl-1-cyclohexenyl]methyl]-1-piperazinyl]benzoic Acid Hydrochloride (CAS 1305320-63-1)
- D-Pro31-Tirzepatide (CAS CATO-CPTD788905)
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