Methyl 2-{[(2Z)-2-(methoxyimino)-2-(4-methyl-2-phenyl-1,3-thiazol-5-yl)ethyl]sulfanyl}benzoate CAS 383148-17-2
| CAS No. | 383148-17-2 |
| Molecular Formula | C21H20N2O3S2 |
| Molecular Weight | 412.53 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of Methyl 2-{[(2Z)-2-(methoxyimino)-2-(4-methyl-2-phenyl-1,3-thiazol-5-yl)ethyl]sulfanyl}benzoate is closely related to a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage in its molecular formula, which determines its behaviour during synthesis, purification, or degradation.
Methyl 2-{[(2Z)-2-(methoxyimino)-2-(4-methyl-2-phenyl-1,3-thiazol-5-yl)ethyl]sulfanyl}benzoate (CAS 383148-17-2), molecular formula C21H20N2O3S2 and molecular weight 412.53 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, Methyl 2-{[(2Z)-2-(methoxyimino)-2-(4-methyl-2-phenyl-1,3-thiazol-5-yl)ethyl]sulfanyl}benzoate (C21H20N2O3S2) contains a steroid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 13.0, corresponding to approximately 13 ring(s) or double-bond equivalent(s). With a molecular weight of 412.53 g/mol, it falls into the moderately-high-molecular-weight range. Nitrogen-containing functional groups confer excellent ionization efficiency in positive-ion electrospray (ESI) mode, making the compound well suited to LC-MS/MS analysis.
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.
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 | C21H20N2O3S2 |
| Molecular Weight | 412.53 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) | 13.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
Recommended Standards
- 3-(4-(Styrylsulfonyl)piperazin-1-yl)-6-(thiophen-2-yl)pyridazine (CAS 946275-14-5)
- N-(1-Benzoyl-1,2,3,4-tetrahydroquinolin-7-yl)-5-methylthiophene-2-sulfonamide (CAS 946322-79-8)
- 2-Methyl-5-(2-(4-(quinolin-8-ylmethyl)-piperazin-1-yl)ethoxy)quinoline (CAS 584555-10-2)
- Cefathiamidine Impurity 11 (CAS CATO-C4X-133711)
- 3-(4-Chloro-2-nitrophenoxy)piperidinehydrochloride (CAS 1219976-27-8)
- Omethoate-d6 (O,O-dimethyl-d6) (CAS 1219804-92-8)
- Ethyl 2-(4-fluorophenoxy)acetate (CAS 777-87-7)
- 4,5-Difluoro-2-methoxybenzyl bromide (CAS 886499-64-5)
- Fe-TCPP (CAS 60146-43-2)
- 2-(1-acetyl-4-aminopiperidin-4-yl)acetic acid (CAS 1691831-25-0)
- (1-(Tert-butoxycarbonyl)-1,2,5,6-tetrahydropyridin-3-yl)trifluoroborate (CAS 2416056-25-0)
- 2H-Benzo[g]thiazolo[5,4-e]indole (CAS 42853-56-5)
- Methyl 2-bromo-5-chloro-4-fluorobenzoate (CAS 1502835-28-0)
- Semaglutide impurity 75 (CAS CATO-C4X-222675)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com