3-(5-Methylthiophene-3-carboxamido)benzoic acid CAS 905394-58-3
| CAS No. | 905394-58-3 |
| Molecular Formula | C13H11NO3S |
| Molecular Weight | 261.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
3-(5-Methylthiophene-3-carboxamido)benzoic acid (CAS 905394-58-3) is a high-purity analytical reference standard with the molecular formula C13H11NO3S and a molecular weight of 261.30 g/mol.
Based on its molecular formula C13H11NO3S, 3-(5-Methylthiophene-3-carboxamido)benzoic acid contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage; these features give the compound characteristic absorption bands in UV spectroscopy. The molecular weight of 261.30 g/mol is directly relevant to the identification of the molecular ion in mass spectrometry. 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 3-(5-Methylthiophene-3-carboxamido)benzoic acid 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 | C13H11NO3S |
| Molecular Weight | 261.30 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in chloroform, dichloromethane, ethyl acetate, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Methylthiophene Standards
- 4-(5-Methylthiophene-2-carboxamido)benzoic acid (CAS 219708-08-4)
- Methyl 2-(5-methylthiophene-2-carbonyl)benzoate (CAS 1071560-04-7)
- Methyl 2-(3-methylthiophene-2-carbonyl)benzoate (CAS 1443342-17-3)
- 4-(n-Methylthiophene-2-sulfonamido)butanoic acid (CAS 923220-10-4)
- 4-(5-Methylthiophene-2-carbonyl)morpholine-3-carboxylic acid (CAS 1468506-71-9)
- 4-(4-Methylthiophene-3-carbonyl)morpholine-3-carboxylic acid (CAS 1503195-14-9)
- 4-(4-Methylthiophene-3-carbonyl)morpholine-2-carboxylic acid (CAS 1532751-84-0)
- 1-(5-Methylthiophene-2-carbonyl)piperidine-4-carboxylic acid (CAS 1016516-24-7)
Recommended Standards
- 3-(4-Nitrophenyl)-6,7-dihydro-5H-thiazolo[3,2-a]pyrimidine (CAS 23279-36-9)
- 3-{[(5-Methyl-2-thienyl)carbonyl]amino}-benzoic acid (CAS 905381-13-7)
- 3-(4-Methylbenzamido)thiophene-2-carboxylic acid (CAS 478080-03-4)
- 3-Formyl-N-phenylbenzenesulfonamide (CAS 405058-55-1)
- Indane-5-carboxylic Acid (CAS 65898-38-6)
- 3-(Difluoromethyl)-6-methoxy-4-(trifluoromethyl)picolinonitrile (CAS 1807084-02-1)
- Ethyl indolizine-6-carboxylate (CAS 66182-01-2)
- 2-(4-(2,4-Dimethylphenyl)-2-methylthiazol-5-yl)acetic acid (CAS 553639-01-3)
- 2-Chloro-1H-benzo[d]imidazole-5,6-diamine (CAS 339160-37-1)
- (S)-N-[2-[7-Allyl-5-bromo-2,3-dihydro-6-hydroxy-1H-inden-1-yl]ethyl]propanamide (CAS 196597-86-1)
- 2-Amino-3-bromo-9H-fluoren-9-one (CAS 52086-09-6)
- 2-(3-Methylpyridin-2-yl)-4-(pyridin-4-yl)thiazole (CAS 1256483-31-4)
- 1-{3'-ethoxy-[1,1'-biphenyl]-4-yl}ethan-1-one (CAS 159487-15-7)
- Brain Injury Derived Neurotrophic Peptide (H-3914.0001) (CAS 148330-12-5)
Why CATO?
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