3-Methylthiophene-2-carboxamide CAS 76655-99-7
| CAS No. | 76655-99-7 |
| Molecular Formula | C6H7NOS |
| Molecular Weight | 141.19 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 3-Methylthiophene-2-carboxamide.
CATO supplies 3-Methylthiophene-2-carboxamide (CAS 76655-99-7), a certified reference material (molecular formula C6H7NOS, MW 141.19 g/mol) for analytical method development and quality control.
3-Methylthiophene-2-carboxamide (C6H7NOS) contains an amide group, sulfur-containing functionality, a hydroxyl group, an ether linkage, an aromatic ring system. Its physicochemical properties are representative of its class; 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.
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), 3-Methylthiophene-2-carboxamide 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 | C6H7NOS |
| Molecular Weight | 141.19 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) | 4.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1978 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methylthiophene Standards
- 2-Methylthiophene-3-carboxamide (CAS 189329-96-2)
- 4-Methylthiophene-3-carboxamide (CAS 189330-32-3)
- (E)-5-methylthiophene-2-carbaldehyde oxime (CAS 42456-40-6)
- 3-Methylthiophene-2-carbaldehyde oxime (CAS 41056-90-0)
- 4-Methylthiophene-2-carboxamide (CAS 83933-16-8)
- 5-Methylthiophene-2-carboxamide (CAS 57280-37-2)
- 5-Methylthiophene-3-carboxamide (CAS 214040-89-8)
- N-Methylthiophene-3-carboxamide (CAS 59906-38-6)
Recommended Standards
- 4-(Methylthio)pyrimidin-5-amine (CAS 59447-73-3)
- 3-Hydroxy-1-methylpyridine-2(1H)-thione (CAS 79246-92-7)
- 4,6-Dihydro-1H-thieno[3,4-c]pyrazol-3-amine (CAS 901771-45-7)
- 3-Cyclopropyl-1,2,4-thiadiazol-5-amine (CAS 762272-35-5)
- 1-Bromo-4-cyclopropylmethanesulfonyl-benzene (CAS 144461-23-4)
- (2-propylcyclohexyl)methanamine (CAS 887647-98-5)
- Methyl 5-iodo-1-methyl-1H-indazole-3-carboxylate (CAS 1363381-60-5)
- Sarcosine-N-dithiocarbamate (CAS 40520-03-4)
- Ethyl 2,3-dihydrobenzofuran-5-carboxylate (CAS 83751-12-6)
- 3-Amino-6,7,8,9-tetrahydro-5H-cyclohepta[b]-thieno[3,2-e]pyridine-2-carboxylic acid (CAS 401648-41-7)
- 2-Phenylquinoline-7-carbaldehyde (CAS 867162-43-4)
- 3-[(1,1-Dimethylethoxy)methyl]heptane (CAS 83704-03-4)
- 1-(Chloromethyl)-4-methylcyclohexane (CAS 1073-68-3)
- Semaglutide Impurity 13 (CAS CATO-C4X-222613)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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- Technical support: +86 18665070610 / Nicole.chen@cato-chem.com