Fmoc-Cys(Mtt)-OH CAS 269067-38-1
| CAS No. | 269067-38-1 |
| Molecular Formula | C38H33NO4S |
| Molecular Weight | 599.74 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Based on its molecular formula C38H33NO4S, Fmoc-Cys(Mtt)-OH contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 599.74 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Fmoc-Cys(Mtt)-OH (CAS 269067-38-1), molecular formula C38H33NO4S and molecular weight 599.74 g/mol, is a CATO reference standard with documented purity and traceability.
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), Fmoc-Cys(Mtt)-OH 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 | C38H33NO4S |
| Molecular Weight | 599.74 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 23.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Fmoc Standards
- FMoc-N-me-d-cys(trt)-oh (CAS 1349807-46-0)
- Fmoc-Homocys(Trt)-OH (CAS 167015-23-8)
- Fmoc-D-Cys(Mtt)-OH (CAS 252206-29-4)
- Fmoc-D-Homocys(Trt)-OH (CAS 1007840-62-1)
- Fmoc-D-His(Fmoc)-OH (CAS 200926-18-7)
- Fmoc-His(Fmoc)-OH (CAS 98929-98-7)
- Fmoc-Cys(Bzl)-OPfp (CAS 86060-95-9)
- Fmoc-Tyr(tBu)-Thr(Psi(Me,Me)pro)-OH (CAS 920519-31-9)
Recommended Standards
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- Ticagrelor Impurity 51 (CAS 1882095-51-3)
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- 2-((tert-Butoxycarbonyl)(4,5-dimethoxy-2-(tritylthio)benzyl)amino)acetic acid 475113-75-8 (CAS 475113-75-8)
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- 2-((Methylsulfonyl)methyl)phenol (CAS 53380-29-3)
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- 2-(1-(3-Methylpiperazin-1-yl)ethyl)pyrazine hydrochloride (CAS 1289387-73-0)
- 4-(4-hydroxyphenyl)-1,2,4-triazolidine-3,5-dione (CAS 106821-08-3)
- Des-Ala18-Tirzepatide (CAS CATO-CPTD788955)
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