Vitamin U，L-Methionine-S-methyl Sulfonium Chloride CAS 1115-84-0
| CAS No. | 1115-84-0 |
| Molecular Formula | C6H14NO2S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
As a certified reference material (CRM), Vitamin U，L-Methionine-S-methyl Sulfonium Chloride 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.
Vitamin U，L-Methionine-S-methyl Sulfonium Chloride (CAS 1115-84-0), molecular formula C6H14NO2SCl and molecular weight 199.69 g/mol, is a CATO reference standard with documented purity and traceability.
The molecular framework of Vitamin U，L-Methionine-S-methyl Sulfonium Chloride (C6H14NO2SCl) is characterized by an amide group, a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, chlorine substitution. 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. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C6H14NO2S Cl |
| Molecular Weight | 199.69 g/mol |
| Purity | >95% |
| Storage | Store at 2-8°C, protect from light, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 0.0 |
| CAS Registry Year (est.) | 1957 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
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Recommended Standards
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- Diethyl 2-bromoterephthalate (CAS 154239-21-1)
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- methyl 3-(5-oxo-[1,2,4]triazolo[1,5-a]pyrimidin-4-yl)prop-2-enoate (CAS 1443987-54-9)
- Des-Pro-Pro-Tirzepatide (CAS CATO-CPTD788696)
Why CATO?
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