5-((3,5-Dimethylisoxazole)-4-sulfonamido)-2-hydroxybenzoic acid CAS 1039976-51-6
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 1039976-51-6 |
| Molecular Formula | C12H12N2O6S |
| Molecular Weight | 312.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
5-((3,5-Dimethylisoxazole)-4-sulfonamido)-2-hydroxybenzoic acid (CAS 1039976-51-6) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C12H12N2O6S. Molecular weight: 312.30 g/mol. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C12H12N2O6S |
| Molecular Weight | 312.30 g/mol |
| Purity | 97%+ |
| Storage | Store at 2-8°C, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in DMSO, DMF, methanol |
| 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.) | 1988 |
| Nitrogen Atoms | 2 |
| Sulfur Atoms | 1 |
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Recommended Standards
- Methyl 6-cyclopropyl-3-(4-fluorophenyl)isoxazolo[5,4-b]pyridine-4-carboxylate (CAS 1018144-40-5)
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- Methyl 6-cyclopropyl-3-(2-fluorophenyl)isoxazolo[5,4-b]pyridine-4-carboxylate (CAS 1018144-24-5)
- (3S,4S)-3-fluoropiperidin-4-ol hydrochloride (CAS 1434126-98-3)
- 3-(3-Phenoxyphenyl)-1,2,4-thiadiazol-5-amine (CAS 1153983-98-2)
- 2-Amino-n-(4-chloro-2-methoxy-5-methylphenyl)benzamide (CAS 565180-50-9)
- 4-(p-Tolyl)pyrimidin-2-amine (CAS 263276-44-4)
- 3'-Cyanoacetanilide (CAS 58202-84-9)
- 2-Chlorocyclohex-1-ene-1-carbonitrile (CAS 119205-37-7)
- (Gly1,Ser3·22,Gln?·3?,Thr?,Arg1?,Tyr21,Ala23·31,Aib32)-Pancreatic Polypeptide (human) (CAS 313988-89-5)
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