Insulin Glargine Metabolite M2 CAS CATO-CPTD788867
| CAS No. | CATO-CPTD788867 |
| Molecular Formula | C251H373N63O74S6 |
| Molecular Weight | 5649.42 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.
CATO supplies Insulin Glargine Metabolite M2 (CAS CATO-CPTD788867), a certified reference material (molecular formula C251H373N63O74S6, MW 5649.42 g/mol) for analytical method development and quality control.
The molecular framework of Insulin Glargine Metabolite M2 (C251H373N63O74S6) is characterized by a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage. In reversed-phase chromatography, its retention is governed primarily by the protonation state of its nitrogen-containing groups, which provides a practical basis for HPLC-UV/DAD or LC-MS method development. 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 | C251H373N63O74S6 |
| Molecular Weight | 5649.42 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) | 97.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| Nitrogen Atoms | 63 |
| Sulfur Atoms | 6 |
Related Insulin Standards
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- Insulin aspart (CAS 116094-23-6)
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- Insulin Degludec Impurity 27 (CAS CATO-C4X-215727)
Recommended Standards
- pGlu-Val-Leu-Val-Ser-Pro-Ala-Phe-Tyr-Gly-Val-Val-Pro-Ala-Val-Val-Pro-Ala-Val-Gln-Pro-Gly-Tyr-Val-Ala-Ala-Thr-Arg-Gly-Ser-Leu-His-Val-Ala-Pro-Leu-Pro-Gly-Asn-Val-Pro-Tyr-Ala-Ser-His-His-Leu-Asn-Leu-Ala-Pro-Ala-Pro-Gly-Thr-Leu (CAS CATO-CPTD788763)
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