3-(4-Fluorobenzamido)-4-methylthiophene-2-carboxylic acid CAS 866152-22-9
| CAS No. | 866152-22-9 |
| Molecular Formula | C13H10FNO3S |
| Molecular Weight | 279.29 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Recommended for analytical method development and validation; each product is supplied with a full Certificate of Analysis (COA) ensuring ISO 17034 metrological traceability.
3-(4-Fluorobenzamido)-4-methylthiophene-2-carboxylic acid (CAS 866152-22-9), molecular formula C13H10FNO3S and molecular weight 279.29 g/mol, is a CATO reference standard with documented purity and traceability.
Structurally, 3-(4-Fluorobenzamido)-4-methylthiophene-2-carboxylic acid (C13H10FNO3S) contains a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, fluorine substitution. The molecule exhibits a degree of unsaturation (DBE) of 9.0, corresponding to approximately 9 ring(s) or double-bond equivalent(s). With a molecular weight of 279.29 g/mol, it falls into the medium-molecular-weight range. Halogen substitution (F/Cl/Br/I) produces a distinctive isotope pattern in mass spectrometry, a valuable aid for qualitative confirmation.
CATO manufactures 3-(4-Fluorobenzamido)-4-methylthiophene-2-carboxylic 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 | C13H10FNO3S |
| Molecular Weight | 279.29 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry, keep tightly closed to prevent evaporation |
| 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; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 9.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1987 |
| Halogen Content | F-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Fluorobenzamido Standards
- 5-(3-Fluorobenzamido)-3-methylthiophene-2-carboxylic acid (CAS 926208-28-8)
- Methyl 3-(2-fluorobenzamido)thiophene-2-carboxylate (CAS 544700-17-6)
- Methyl 3-(4-fluorobenzamido)thiophene-2-carboxylate (CAS 478080-00-1)
- 1-(2-Fluorobenzamido)cycloheptane-1-carboxylic acid (CAS 912771-26-7)
- 1-(3-Fluorobenzamido)cycloheptane-1-carboxylic acid (CAS 912771-18-7)
- 2-(2-(4-Fluorobenzamido)thiazol-4-yl)acetic acid (CAS 177957-48-1)
- 2-[2-(2-fluorobenzamido)-1,3-thiazol-4-yl]acetic acid (CAS 926245-67-2)
- 2-(2-Fluorobenzamido)-4-methylbenzoic acid (CAS 866150-31-4)
Recommended Standards
- 3-(4-(Benzyloxy)phenyl)isoxazole-5-carbaldehyde (CAS 337355-81-4)
- 3-(4-Methoxybenzoyl)quinolin-4(1H)-one (CAS 821004-08-4)
- 3-(3-Methoxybenzoyl)quinolin-4(1H)-one (CAS 892291-03-1)
- 3-(4-Methylphenyl)-2-oxo-1,2-dihydroquinoline-4-carboxylic acid (CAS 400082-48-6)
- 4-[4-(3-Chlorophenyl)piperazin-1-yl]-4-oxobutanoic acid (CAS 438616-45-6)
- 2,5-Dibromo-1,8-naphthyridine (CAS 1260657-29-1)
- (5-Bromofuran-2-yl)(2-((3-methylbenzyl)thio)-4,5-dihydro-1H-imidazol-1-yl)methanone (CAS 851803-76-4)
- N-Methyllidocaine iodide (CAS 29199-61-9)
- [1,1'-Biphenyl]-3-ylhydrazine hydrochloride (CAS 109221-88-7)
- Ampicillin Impurity 89 (CAS CATO-C4X-144389)
- C.I. Acid Green 41 (CAS 4430-16-4)
- Ethyl 1-(6-methyl-5,7-dioxo-4,5,6,7-tetrahydroisothiazolo[4,3-d]pyrimidine-3-carbonyl)piperidine-4-carboxylate (CAS 1251572-55-0)
- 3-Phenyladamantane-1-carboxylic acid (CAS 37589-22-3)
- Semaglutide impurity 87 (CAS CATO-C4X-222687)
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