2-Methoxyethyl 2-benzylidene-7-methyl-3-oxo-5-(thiophen-2-yl)-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate CAS 617698-63-2
| CAS No. | 617698-63-2 |
| Molecular Formula | C22H20N2O4S2 |
| Molecular Weight | 440.54 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
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.
CATO supplies 2-Methoxyethyl 2-benzylidene-7-methyl-3-oxo-5-(thiophen-2-yl)-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate (CAS 617698-63-2), a certified reference material (molecular formula C22H20N2O4S2, MW 440.54 g/mol) for analytical method development and quality control.
Structurally, 2-Methoxyethyl 2-benzylidene-7-methyl-3-oxo-5-(thiophen-2-yl)-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate (C22H20N2O4S2) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 14.0, corresponding to approximately 14 ring(s) or double-bond equivalent(s). With a molecular weight of 440.54 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.
Physical & Chemical Properties
| Molecular Formula | C22H20N2O4S2 |
| Molecular Weight | 440.54 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) | 14.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1985 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 2 |
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Recommended Standards
- 2-((4-Isobutyl-5-(3-(morpholinosulfonyl)phenyl)-4h-1,2,4-triazol-3-yl)thio)acetic acid (CAS 743457-07-0)
- Ethyl 2-(furan-2-ylmethylene)-7-methyl-5-(4-(methylthio)phenyl)-3-oxo-3,5-dihydro-2H-thiazolo[3,2-a]pyrimidine-6-carboxylate (CAS 357438-54-1)
- 1,4,5,8-Tetraamino-2,7-bis(pentyloxy)anthracene-9,10-dione (CAS 88601-65-4)
- Methyl 3-(2-{[2-(3-methylbenzamido)phenyl]sulfanyl}acetamido)thiophene-2-carboxylate (CAS 477887-63-1)
- Tert-butyl 1-oxotetrahydro-1H-furo[3,4-c]pyrrole-5(3H)-carboxylate (CAS 2385443-06-9)
- methyl 3-(piperazin-1-yl)oxolane-3-carboxylate dihydrochloride (CAS 2059949-63-0)
- (2-(Tetrahydro-2H-pyran-4-yl)thiazol-4-yl)methanol (CAS 1476847-72-9)
- 2-Chloro-n-{[2-(cyclopentyloxy)phenyl]methyl}acetamide (CAS 1258640-32-2)
- 3-Hydrazinylbenzohydrazide (CAS 379254-47-4)
- 5-(4-Bromophenyl)-2,3'-bipyridine (CAS 917897-54-2)
- Lemborexant Impurity 72 (CAS CATO-C4X-304272)
- 2-(4,5-Dimethyl-2-thiazolyl)ethanol (CAS 1204298-67-8)
- 1-methylpyrrolidine-2-carboxamide (CAS 1085430-91-6)
- Biotinyl-Neuropeptide W-23 (human) (CAS 1815618-09-7)
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