Methyl 4-(chlorosulfonyl)-1,2,5-trimethyl-1h-pyrrole-3-carboxylate CAS 306936-33-4
| CAS No. | 306936-33-4 |
| Molecular Formula | C9H12ClNO4S |
| Molecular Weight | 265.71 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 265.71 g/mol gives Methyl 4-(chlorosulfonyl)-1,2,5-trimethyl-1h-pyrrole-3-carboxylate distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
CATO supplies Methyl 4-(chlorosulfonyl)-1,2,5-trimethyl-1h-pyrrole-3-carboxylate (CAS 306936-33-4), a certified reference material (molecular formula C9H12ClNO4S, MW 265.71 g/mol) for analytical method development and quality control.
Structurally, Methyl 4-(chlorosulfonyl)-1,2,5-trimethyl-1h-pyrrole-3-carboxylate (C9H12ClNO4S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, chlorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 4.0, corresponding to approximately 4 ring(s) or double-bond equivalent(s). With a molecular weight of 265.71 g/mol, it falls into the medium-molecular-weight range. The aromatic system may exhibit native fluorescence, enabling detection with a fluorescence detector (FLD).
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
As a certified reference material (CRM), Methyl 4-(chlorosulfonyl)-1,2,5-trimethyl-1h-pyrrole-3-carboxylate 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 | C9H12ClNO4S |
| Molecular Weight | 265.71 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| 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) | 4.0 |
| 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 Methyl Standards
- Ethyl 4-(chlorosulfonyl)-3,5-dimethyl-1H-pyrrole-2-carboxylate (CAS 368869-88-9)
- Methyl 2-(chlorosulfonyl)-6-methoxyisonicotinate (CAS 1393547-64-2)
- Methyl 4-(chlorosulfonyl)-6-methoxypicolinate (CAS 1393560-70-7)
- 3-(Chlorosulfonyl)-2-nitrobenzoic acid (CAS 1864062-56-5)
- 3-(chlorosulfonyl)-4-nitrobenzoic acid (CAS 871243-31-1)
- 3-(Chlorosulfonyl)-5-nitrobenzoic acid (CAS 860596-66-3)
- 4-(Chlorosulfonyl)-2-nitrobenzoic Acid (CAS 54090-40-3)
- 4-(chlorosulfonyl)-3-nitrobenzoic acid (CAS 32571-65-6)
Recommended Standards
- N-(3-chloro-4-methoxybenzyl)-4-fluoroaniline (CAS 801242-05-7)
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- Imidaclothiz-d4 (CAS CATO-CCPD102491)
- 4-(4-Chloro-3,5-dimethylphenoxy)-3-fluoroaniline (CAS 946742-47-8)
- N1-(4-Ethylbenzyl)-N1-methyloxalamide (CAS 736939-78-9)
- Ethyl 3-(nitromethyl)hexanoate (CAS 128013-61-6)
- 1,2,4,9-Tetramethoxy-7-methylanthracene (CAS 834867-34-4)
- Tebipenem Pivoxil Impurity 11 (CAS 886615-18-5)
- 4-Bromo-2-cyanobenzenesulfonyl chloride (CAS 431046-20-7)
- 3-Formylindole-5-carbonitrile (CAS 17380-18-6)
- Pentanoic-3,3-d2 Acid (CAS 83741-74-6)
- Etoricoxib Impurity 33 (CAS 1817735-82-2)
- 4-(5-Pentyl-1,3,2-dioxaborinan-2-yl)benzonitrile (CAS 105580-11-8)
- Peptide 439 (CAS CATO-CPTD788439)
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