2-[2-(4-Methylbenzoylimino)benzothiazol-3-yl]butyric acid CAS 1043705-09-4
| CAS No. | 1043705-09-4 |
| Molecular Formula | C19H18N2O3S |
| Molecular Weight | 354.42 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
The occurrence of 2-[2-(4-Methylbenzoylimino)benzothiazol-3-yl]butyric acid 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.
2-[2-(4-Methylbenzoylimino)benzothiazol-3-yl]butyric acid (CAS 1043705-09-4), molecular formula C19H18N2O3S and molecular weight 354.42 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 2-[2-(4-Methylbenzoylimino)benzothiazol-3-yl]butyric acid (C19H18N2O3S) 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 12.0, corresponding to approximately 12 ring(s) or double-bond equivalent(s). With a molecular weight of 354.42 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.
As a certified reference material (CRM), 2-[2-(4-Methylbenzoylimino)benzothiazol-3-yl]butyric acid 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 | C19H18N2O3S |
| Molecular Weight | 354.42 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°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) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1988 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Recommended Standards
- Propargyl-PEG5-Ms (CAS 1036204-62-2)
- ST638 (CAS 107761-24-0)
- Ethyl 2-(2-((4-phenoxyphenyl)amino)thiazol-4-yl)acetate (CAS 1024040-00-3)
- (1,1-Dioxido-4-phenyl-4H-benzo[b][1,4]thiazin-2-yl)(pyrrolidin-1-yl)methanone (CAS 1189695-20-2)
- 5-Amino-2-fluoroisonicotinonitrile (CAS 1805075-60-8)
- 2-(4-Amino-2-(difluoromethyl)-5-hydroxypyridin-3-yl)acetonitrile (CAS 1806837-52-4)
- 1-(5-amino-2-chloro-4-methyl-phenyl)hexahydropyrimidine-2,4-dione (CAS 2703772-64-7)
- 6-Chloro-7-nitroquinoxalin-2-one (CAS 934690-33-2)
- (3-(Benzylcarbamoyl)-5-nitrophenyl)boronic acid (CAS 871332-90-0)
- N-(3,5-dimethoxyphenyl)piperidin-3-amine (CAS 1282848-82-1)
- 3-((4-Nitrophenyl)amino)cyclohex-2-en-1-one (CAS 36646-76-1)
- 2-(1-Phenyl-1H-pyrazol-5-yl)ethan-1-ol (CAS 1044856-44-1)
- Meperfluthrin (CAS 915288-13-0)
- Endo-Gly29-Tirzepatide (CAS CATO-CPTD788685)
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