4-Amino-3-(4-methoxyphenyl)isothiazole-5-carboxylic acid CAS 82424-71-3
| CAS No. | 82424-71-3 |
| Molecular Formula | C11H10N2O3S |
| Molecular Weight | 250.27 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Owing to a nitrogen-containing heterocyclic scaffold, an amide group, a sulfone group, a hydroxyl group, an ether linkage, 4-Amino-3-(4-methoxyphenyl)isothiazole-5-carboxylic acid is typically pale yellow to yellow crystalline powder. Its solid-state physicochemical attributes — including a molecular weight of 250.27 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).
4-Amino-3-(4-methoxyphenyl)isothiazole-5-carboxylic acid (CAS 82424-71-3) is a high-purity analytical reference standard with the molecular formula C11H10N2O3S and a molecular weight of 250.27 g/mol.
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 4-Amino-3-(4-methoxyphenyl)isothiazole-5-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 | C11H10N2O3S |
| Molecular Weight | 250.27 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, ethanol, DMSO |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Hygroscopic; reseal immediately after opening |
| Degree of Unsaturation (DBE) | 8.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1980 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
Related Amino Standards
- 2-[3-(2-Amino-4-thiazolyl)phenoxy]acetic Acid (CAS 1082128-37-7)
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- N-(5-amino-2,4-difluorophenyl)propane-1-sulfonamide (CAS 1156526-28-1)
- 2-Amino-5-(2-azabicyclo[2.2.1]heptan-2-yl)-4-fluorobenzoic acid (CAS 1334148-49-0)
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Recommended Standards
- 4-Amino-3-(2-methoxyphenyl)isothiazole-5-carboxylic acid (CAS 436090-74-3)
- 4-Difluoromethanesulfonyl-1-N-ethylbenzene-1,2-diamine (CAS 24933-35-5)
- 4-{[(3-methyl-1,2,4-oxadiazol-5-yl)methyl]sulfanyl}benzoic acid (CAS 929973-36-4)
- 4-Fluoro-N-(quinolin-2-ylmethylene)aniline (CAS 88346-82-1)
- N-(5-Methylisoxazol-3-yl)morpholine-4-carboxamide (CAS 55808-31-6)
- 1-(1-Methoxycyclopropyl)-N-methylmethanamine (CAS 1638772-10-7)
- 1,3,5-trimethyl-1H-pyrazole-4-carbaldehyde oxime (CAS 246022-20-8)
- 2-(Chloromethyl)-5-(thiophen-2-yl)-3H,4H-thieno[2,3-d]pyrimidin-4-one (CAS 255378-83-7)
- 1-(2,5-Dimethylphenyl)-5-phenyl-4,5-dihydro-1h-pyrazole-3-carboxylic acid (CAS 1264041-74-8)
- 4-Cyclohexyl-2-methylpyrrolidine (CAS 1339505-35-9)
- 2-(Difluoromethoxy)-3,5-dimethylaniline (CAS 1249253-31-3)
- (2,3-Dimethoxyphenyl)(pyridin-4-yl)methanol (CAS 243640-27-9)
- 5-(4-Fluorobenzyl)-2-morpholinothiazol-4-amine (CAS 1387566-10-0)
- Vialox Peptide(Pentapeptide-3) diacetate (CAS 725232-44-0)
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