6,7-Dimethyl 5-(3-chlorophenyl)-1H,3H-pyrrolo[1,2-c][1,3]thiazole-6,7-dicarboxylate CAS 337920-82-8
| CAS No. | 337920-82-8 |
| Molecular Formula | C16H14ClNO4S |
| Molecular Weight | 351.80 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 351.80 g/mol gives 6,7-Dimethyl 5-(3-chlorophenyl)-1H,3H-pyrrolo[1,2-c][1,3]thiazole-6,7-dicarboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
6,7-Dimethyl 5-(3-chlorophenyl)-1H,3H-pyrrolo[1,2-c][1,3]thiazole-6,7-dicarboxylate (CAS 337920-82-8) is a high-purity analytical reference standard with the molecular formula C16H14ClNO4S and a molecular weight of 351.80 g/mol.
6,7-Dimethyl 5-(3-chlorophenyl)-1H,3H-pyrrolo[1,2-c][1,3]thiazole-6,7-dicarboxylate (C16H14ClNO4S) contains a flavonoid core, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. Halogen substitution raises its density and boiling point, the carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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.
CATO manufactures 6,7-Dimethyl 5-(3-chlorophenyl)-1H,3H-pyrrolo[1,2-c][1,3]thiazole-6,7-dicarboxylate 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 | C16H14ClNO4S |
| Molecular Weight | 351.80 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 10.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 2025 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Dimethyl Standards
- Dimethyl 5-(4-chlorophenyl)-1H,3H-pyrrolo[1,2-c]thiazole-6,7-dicarboxylate (CAS 339102-13-5)
- 4-(4,4-Dimethyl-1,1-dioxido-3-oxoisothiazolidin-2-yl)-2-methylbenzenesulfonyl chloride (CAS 927997-35-1)
- Dimethyl 2,5-dibromoisophthalate (CAS 1337958-87-8)
- Dimethyl 2,5-Dibromoterephthalate (CAS 18014-00-1)
- Dimethyl 4,5-dibromophthalate (CAS 859299-66-4)
- Dimethyl 4,6-dibromoisophthalate, 97% (CAS 90766-77-1)
- 2-(4-(2,5-Dimethyl-3-phenylpyrazolo[1,5-a]pyrimidin-7-yl)piperazin-1-yl)ethan-1-ol (CAS 877779-24-3)
- 2-(4-(5,6-Dimethyl-3-phenylpyrazolo[1,5-a]pyrimidin-7-yl)piperazin-1-yl)ethan-1-ol (CAS 890617-97-7)
Recommended Standards
- 4-Chloro-3-(1,2,3,4-tetrahydroisoquinoline-2-sulfonyl)benzoic acid (CAS 380337-05-3)
- 4-acetyl-1-(4-chloro-2-fluorophenyl)-5-cyclohexyl-3-hydroxy-1,5-dihydro-2H-pyrrol-2-one (CAS 512177-31-0)
- Chlorthalidone impurity 17 (CAS CATO-C4X-158517)
- 4-(3-((4-Chlorophenyl)sulfonyl)-2-hydroxypropoxy)benzonitrile (CAS 478079-79-7)
- 2-Amino-6-(dimethoxymethyl)-5-((4-methylnaphthalen-1-yl)methyl)pyrimidin-4(3H)-one (CAS 31349-26-5)
- 1-tert-butyl 4-methyl 4-hydroxypiperidine-1,4-dicarboxylate (CAS 495415-09-3)
- 2-Amino-n-(tert-butyl)benzenesulfonamide (CAS 954268-81-6)
- 3-(4-Bromophenyl)-1-phenyl-1H-pyrazol-4-ol (CAS 1202030-25-8)
- 8-Amino-2-(ethylamino)-5-oxo-6-(p-tolyl)-4,6-dihydro-5H-pyrano[2,3-d]thiazolo[4,5-b]pyridine-7-carbonitrile (CAS 674800-51-2)
- 1-Chlorophthalazine (CAS 5784-45-2)
- 2-(3-Formyl-5-methoxyphenyl)acetic acid (CAS 1393581-89-9)
- 4-(Aminomethyl)-5-(difluoromethyl)pyridine-2-sulfonyl chloride (CAS 1805304-35-1)
- 2-[(cyclobutylmethyl)amino]-2-methylpropan-1-ol (CAS 1467508-64-0)
- Semaglutide impurity 268 (CAS CATO-C4X-2226268)
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