D-Methionine Sulfoxide CAS 21056-56-4
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 21056-56-4 |
| Molecular Formula | C5H11NO3S |
| Molecular Weight | 165.21 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
D-Methionine Sulfoxide (CAS 21056-56-4) is a pharmaceutical standards certified reference material from CATO. Molecular formula: C5H11NO3S. Molecular weight: 165.21 g/mol. ISO 17034 accredited production ensures traceable purity and reliable analytical results.
Physical & Chemical Properties
| Molecular Formula | C5H11NO3S |
| Molecular Weight | 165.21 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO, water |
| Stability | Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 1.0 |
| CAS Registry Year (est.) | 1963 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related D Standards
- Methionine Impurity 22 (CAS 23631-84-7)
- Methionine EP Impurity A (CAS 3226-65-1)
- DL-Methionine D7 (CAS 331665-05-5)
- L-Methionine--13C5,15N (CAS 202468-47-1)
- (±)-Methionine-d4 (CAS 93709-61-6)
- L-Methionine-3,3,4,4 D4 (CAS 67866-75-5)
- L-Methionine-methyl-13C,methyl-d3 73488-65-0 (CAS 73488-65-0)
- D-Methionine-d3 (S-methyl-d3) (CAS 284665-18-5)
Recommended Standards
- Dl-methioninesulfoxide (CAS 454-41-1)
- Fudosteine Impurity 20 (CAS 85955-36-8)
- Cyclopropyl(4-fluorophenyl)methanamine (CAS 705-14-6)
- Pyrazole-5-acetic Acid Hydrochloride (CAS 118054-57-2)
- 1-[4-(2-Chloroethoxy)phenyl]-2-phenylethanone 19561-95-6 4'-(2-Chloroethoxy)-2-phenyl-acetophenone Benzyl p-(2-Chloroethoxy)phenyl Ketone (CAS 19561-95-6)
- Ramelteon Impurity 38 (CAS 1260675-80-6)
- 1-(4,7-Dichlorobenzofuran-2-yl)-2-methylpropan-1-one (CAS 1489002-75-6)
- Imidazo[1,2-a]pyrazin-3-amine hydrochloride (CAS 56888-69-8)
- 5-Bromo-n-ethyl-2-methoxybenzamide (CAS 899143-59-0)
- [Nva12]-Tirzepatide (CAS CATO-C4X-324042)
Why CATO?
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