1-(2,5-Dimethylthiophen-3-yl)butan-1-one CAS 500891-66-7
| CAS No. | 500891-66-7 |
| Molecular Formula | C10H14OS |
| Molecular Weight | 182.28 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 1-(2,5-Dimethylthiophen-3-yl)butan-1-one.
1-(2,5-Dimethylthiophen-3-yl)butan-1-one (CAS 500891-66-7), molecular formula C10H14OS and molecular weight 182.28 g/mol, is a CATO reference standard with documented purity and traceability.
Owing to sulfur-containing functionality, a hydroxyl group, an ether linkage, an aromatic ring system, 1-(2,5-Dimethylthiophen-3-yl)butan-1-one is typically off-white to pale yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 182.28 g/mol — guide the selection of appropriate sample preparation and analytical techniques. 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), 1-(2,5-Dimethylthiophen-3-yl)butan-1-one 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 | C10H14OS |
| Molecular Weight | 182.28 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | Stable under recommended storage conditions |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1984 |
| Sulfur Atoms | 1 |
Related Dimethylthiophen Standards
- 1-(2,5-dimethylthiophen-3-yl)-2-methylpropan-1-one (CAS 135333-91-4)
- (2-(2,5-Dimethylthiophen-3-yl)cyclopropyl)methanamine (CAS 1284231-28-2)
- 1-(2,5-Dimethylthiophen-3-yl)butan-1-amine (CAS 1092286-44-6)
- 1-(2,5-dimethylthiophen-3-yl)-2-methylpropan-1-amine (CAS 1152536-30-5)
- 4-(2,5-Dimethylthiophen-3-yl)butan-1-amine (CAS 1488034-76-9)
- 3-(2,5-dimethylthiophen-3-yl)propanoic acid (CAS 26421-38-5)
- 1-(2,5-Dimethylthiophen-3-yl)-2-(methylamino)ethan-1-ol (CAS 1340320-20-8)
- 2-(2,5-Dimethylthiophen-3-yl)-2-hydroxyacetic acid (CAS 1250803-54-3)
Recommended Standards
- (tert-Butylsulfinyl)benzene (CAS 4170-71-2)
- 1-(4-(Methylthio)phenyl)propan-1-ol (CAS 89434-30-0)
- (4-Propoxyphenyl)methanethiol (CAS 63550-20-9)
- 1-(4-Methoxyphenyl)propane-2-thiol (CAS 36427-87-9)
- 4-[(1E)-3-(4-Methylphenyl)-3-oxoprop-1-en-1-yl]phenyl (2E)-3-phenylprop-2-enoate (CAS 331460-44-7)
- Methyl 5-oxo-1-phenethyl-pyrrolidine-3-carboxylate (CAS 100718-54-5)
- 5-(2-(2-(4-Methoxyphenyl)propan-2-yl)pyrimidin-4-yl)-4-methylthiazol-2-amine (CAS 1217487-31-4)
- 3-[4,6-Dimethyl-3-(1H-pyrrol-1-yl)thieno[2,3-b]pyridin-2-yl]-1-[3-(trifluoromethyl)phenyl]urea (CAS 672950-55-9)
- (R)-2-Amino-3-((tert-butoxycarbonyl)amino)-3-methylbutanoic acid (CAS 2007915-76-4)
- Radafaxine (CAS 233600-52-7)
- (S)-Bis(2-(2-(2-methoxyethoxy)ethoxy)ethyl) 2-aminosuccinate (CAS 646530-55-4)
- (6-Chloropyridazin-3-yl)cyanamide (CAS 83412-75-3)
- Lifitegrast Impurity 154 (CAS CATO-C4X-2409154)
- Peptide Impurity 27 (CAS 1350456-68-6)
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