4-(Thiophen-2-yl)-1H-pyrrole-2-carbaldehyde CAS 541501-20-6
| CAS No. | 541501-20-6 |
| Molecular Formula | C9H7NOS |
| Molecular Weight | 177.22 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 4-(Thiophen-2-yl)-1H-pyrrole-2-carbaldehyde.
4-(Thiophen-2-yl)-1H-pyrrole-2-carbaldehyde (CAS 541501-20-6), molecular formula C9H7NOS and molecular weight 177.22 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 4-(Thiophen-2-yl)-1H-pyrrole-2-carbaldehyde (C9H7NOS) contains a nitrogen-containing heterocyclic scaffold, an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage. The molecule exhibits a degree of unsaturation (DBE) of 7.0, corresponding to approximately 7 ring(s) or double-bond equivalent(s). With a molecular weight of 177.22 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.
CATO manufactures 4-(Thiophen-2-yl)-1H-pyrrole-2-carbaldehyde 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 | C9H7NOS |
| Molecular Weight | 177.22 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | Light-sensitive; avoid direct strong light |
| Degree of Unsaturation (DBE) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Thiophen Standards
- 2-(Thiophen-3-yl)pyridin-4-ol (CAS 1159814-55-7)
- 4-(Thiophen-2-yl)pyridin-2-ol (CAS 1159819-78-9)
- 6-(Thiophen-3-yl)pyridin-3-ol (CAS 1159820-76-4)
- 4-(Thiophen-3-yl)pyridin-2-ol (CAS 1159820-97-9)
- 2-(Thiophen-2-yl)pyridin-3-ol (CAS 500706-99-0)
- 5-(Thiophen-2-yl)-1h-pyrrole-2-carbaldehyde (CAS 72078-45-6)
- 6-(Thiophen-2-yl)pyridazin-3-amine (CAS 105538-01-0)
- 6-(Thiophen-3-yl)pyridazin-3-amine (CAS 105538-02-1)
Recommended Standards
- 4-(Isothiazol-5-yl)phenol (CAS 68535-60-4)
- 4-(Vinylsulfonyl)morpholine (CAS 41067-80-5)
- 4-(2-Thiazolyl)phenol (CAS 81015-49-8)
- 4-Methyl-3-thioxoisoindolin-1-one (CAS 6629-81-8)
- DNP-PEG4-alcohol (CAS 1807520-99-5)
- 3-Methyl-1H-pyrazol-5-amine (CAS 268724-49-8)
- (R)-2-Methyl-4,5,5-triphenyl-1,3,2-oxazaborolidine (CAS 155268-88-5)
- 3-(Thiophen-2-yl)-6-(4-(thiophen-2-ylsulfonyl)piperazin-1-yl)pyridazine (CAS 946275-02-1)
- 2-(2-Chloro-5-methylphenoxy)-N-[(phenylcarbamothioyl)amino]acetamide (CAS 891571-92-9)
- Imazosulfuron (CAS 122548-33-8)
- Methyl 6-[(E)-2-{2-[3-chloro-5-(trifluoromethyl)pyridin-2-yl]-2-methylhydrazin-1-yl}ethenyl]-2-oxo-3-[3-(trifluoromethyl)benzamido]-2H-pyran-5-carboxylate (CAS 341966-28-7)
- 4-[(2-Bromophenoxy)methyl]-1,2-dichlorobenzene (CAS 1040313-76-5)
- Vasopressin Impurity 6 (CAS CATO-C4X-23656)
- Semaglutide impurity 196 (CAS CATO-C4X-2226196)
Why CATO?
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