5-(Hydroxymethyl)thiophene-2-carbaldehyde CAS 53821-57-1
| CAS No. | 53821-57-1 |
| Molecular Formula | C6H6O2S |
| Molecular Weight | 142.18 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 5-(Hydroxymethyl)thiophene-2-carbaldehyde.
5-(Hydroxymethyl)thiophene-2-carbaldehyde (CAS 53821-57-1) is a high-purity analytical reference standard with the molecular formula C6H6O2S and a molecular weight of 142.18 g/mol.
5-(Hydroxymethyl)thiophene-2-carbaldehyde (C6H6O2S) contains a sulfone group, a carboxylic acid group, a hydroxyl group, an ether linkage, an aromatic ring system. The carboxyl group imparts weak acidity; these physicochemical properties determine the optimal preparation and storage of its standard solutions. 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), 5-(Hydroxymethyl)thiophene-2-carbaldehyde 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 | C6H6O2S |
| Molecular Weight | 142.18 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure |
| Degree of Unsaturation (DBE) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1972 |
| Sulfur Atoms | 1 |
Related Hydroxymethyl Standards
- 3-(Hydroxymethyl)thiophene-2-carbaldehyde (CAS 1078149-78-6)
- [6-(hydroxymethyl)cyclohex-3-en-1-yl]methanol (CAS 13287-81-5)
- 1-(Hydroxymethyl)cyclohexane-1-carbaldehyde (CAS 24632-01-7)
- 4-(Hydroxymethyl)-4-methylcyclohexan-1-one (CAS 24730-90-3)
- 4-(hydroxymethyl)cyclohexanecarbaldehyde (CAS 92385-32-5)
- [3-(hydroxymethyl)-1-methyl-1H-pyrazol-4-yl]methanol (CAS 1056039-91-8)
- 2-(2-(Hydroxymethyl)-1h-imidazol-1-yl)ethan-1-ol (CAS 79319-04-3)
- 5-(Hydroxymethyl)-3-methoxy-1-methyl-1H-pyrazole (CAS 865138-51-8)
Recommended Standards
- 4-Methyl-1,3-thiazole-2-carboxamide (CAS 760201-86-3)
- 5-(methylsulfanyl)furan-2-carbaldehyde (CAS 932-94-5)
- 4-Methoxythiophene-3-carbaldehyde (CAS 82069-74-7)
- 5-(Methylthio)-1H-pyrazole-3-carbaldehyde (CAS 569657-30-3)
- 1-(tert-Butyl)-3-cyclopropoxy-2-ethylbenzene (CAS 1243414-36-9)
- (R)-1-(4-Ethynylphenyl)ethan-1-ol (CAS 1007587-64-5)
- Ethyl 2-(4-chlorophenyl)-2-(piperazin-1-yl)acetate (CAS 877977-12-3)
- 2-((3-Ethyl-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)-N-(4-ethylphenyl)acetamide (CAS 577960-12-4)
- 1-(3-Chloropropoxy)-3-methylbenzene (CAS 62806-87-5)
- 6-((6-Isopropyl-2-methylpyrimidin-4-yl)oxy)hexanoic acid (CAS 648916-03-4)
- 5-(((2-Chlorothiazol-5-yl)methyl)thio)-1,3,4-thiadiazol-2-amine (CAS 439110-88-0)
- 2-(3-Phenyloxetan-3-yl)acetaldehyde (CAS 1305207-77-5)
- 3-(1-((5-Ethylthiophen-2-yl)sulfonyl)azetidin-3-yl)thiazolidine-2,4-dione (CAS 1795086-00-8)
- Tirzepatide Impurity 14 (CAS CATO-C4X-324014)
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