Methyl 7-(3,4-dichlorobenzyl)-5,8-dioxohexahydro-3H-thiazolo[3,4-a]pyrazine-3-carboxylate CAS 294849-03-9
| CAS No. | 294849-03-9 |
| Molecular Formula | C15H14Cl2N2O4S |
| Molecular Weight | 389.25 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Under current pharmacopoeial and regulatory frameworks, quality-control requirements for this class of reference material explicitly involve the control of targets including Methyl 7-(3,4-dichlorobenzyl)-5,8-dioxohexahydro-3H-thiazolo[3,4-a]pyrazine-3-carboxylate.
Methyl 7-(3,4-dichlorobenzyl)-5,8-dioxohexahydro-3H-thiazolo[3,4-a]pyrazine-3-carboxylate (CAS 294849-03-9), molecular formula C15H14Cl2N2O4S and molecular weight 389.25 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C15H14Cl2N2O4S, Methyl 7-(3,4-dichlorobenzyl)-5,8-dioxohexahydro-3H-thiazolo[3,4-a]pyrazine-3-carboxylate contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 389.25 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
CATO manufactures Methyl 7-(3,4-dichlorobenzyl)-5,8-dioxohexahydro-3H-thiazolo[3,4-a]pyrazine-3-carboxylate under ISO 17034:2016 accreditation with dual CNAS and ANAB accreditation. Each batch is characterized by orthogonal methods and supplied with a full Certificate of Analysis (COA), ensuring metrological traceability.
Physical & Chemical Properties
| Molecular Formula | C15H14Cl2N2O4S |
| Molecular Weight | 389.25 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Methyl Standards
- 3-((2,6-Dichlorobenzyl)oxy)-2-methyl-1-(4-methylbenzyl)pyridin-4(1H)-one (CAS 338956-78-8)
- 2-((2,6-Dichlorobenzyl)thio)-7-(pyridin-2-yl)-[1,2,4]triazolo[1,5-a]pyrimidine (CAS 338403-84-2)
- 1-(1-(2,6-Dichlorobenzyl)-6-oxo-1,6-dihydropyridin-3-yl)-3-phenylurea (CAS 338784-63-7)
- 4-(((2,4-Dichlorobenzyl)imino)methyl)-5-ethoxy-2-phenyl-1,2-dihydro-3H-pyrazol-3-one (CAS 338751-02-3)
- 2-((2,4-Dichlorobenzyl)amino)-1-(4-fluorophenyl)-1-phenylethan-1-ol (CAS 338771-51-0)
- 2-((3,4-Dichlorobenzyl)amino)-1-(4-fluorophenyl)-1-phenylethan-1-ol (CAS 338771-53-2)
- trans-4-((1-(3,4-Dichlorobenzyl)-1H-benzo[d]imidazol-2-yl)amino)cyclohexan-1-ol (CAS 1420978-81-9)
- 2-(3-((2,4-Dichlorobenzyl)oxy)thiophene-2-carbonyl)-N-methylhydrazine-1-carbothioamide (CAS 343375-86-0)
Recommended Standards
- Ethyl 2-{[4-(3,4-dichlorophenoxy)-5-methoxypyrimidin-2-yl]sulfanyl}acetate (CAS 338423-36-2)
- N'-(2-(2,4-dichlorophenoxy)acetyl)-4-methylbenzenesulfonohydrazide (CAS 34088-36-3)
- 5-Chloro-2-[(2-chlorophenyl)carbamoyl]phenyl N,N-dimethylsulfamate (CAS 400080-32-2)
- n-Butyltri-n-pentyltin (CAS 78693-53-5)
- 2-Amino-N-(3-chlorobenzyl)-N-cyclopropylacetamide (CAS 1181795-15-2)
- 2,7-Dichloro-8-methylquinoline-3-carbonitrile (CAS 948291-65-4)
- H-β-(2-Pyridyl)-DL-Ala-OH (CAS 17407-44-2)
- 2-Hydrazinyl-4-(thiophen-2-yl)-6-(trifluoromethyl)pyrimidine (CAS 832737-83-4)
- 4-(1,5-Dimethyl-1H-pyrazol-4-yl)butan-2-one (CAS 1021910-26-8)
- 2-(4-Fluorophenoxy)-6-(4-fluorophenyl)nicotinonitrile (CAS 252060-01-8)
- tert-Butyl (4-oxo-4-phenylbutyl)carbamate (CAS 116437-41-3)
- 5-Bromo-2-methylquinoline (CAS 54408-52-5)
- (S)-Norfenfluramine Hydrochloride (CAS 37936-89-3)
- Semaglutide（sodium salt） (CAS CATO-C4X-222619)
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