3-Indoxyl Sulfate Potassium Salt CAS 2642-37-7
| CAS No. | 2642-37-7 |
| Molecular Formula | C8H6NO4S |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Compared with other compounds in its class, the molecular weight of 251.30 g/mol gives 3-Indoxyl Sulfate Potassium Salt distinctive chromatographic separation conditions and mass-spectrometry parameter settings.
3-Indoxyl Sulfate Potassium Salt (CAS 2642-37-7), molecular formula C8H6NO4SK and molecular weight 251.30 g/mol, is a CATO reference standard with documented purity and traceability.
Based on its molecular formula C8H6NO4SK, 3-Indoxyl Sulfate Potassium Salt 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 251.30 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-Indoxyl Sulfate Potassium Salt 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 | C8H6NO4S K |
| Molecular Weight | 251.30 g/mol |
| Purity | >95% |
| 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) | 6.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 1 |
Related Indoxyl Standards
- 103404-81-5 3-Indoxyl phosphate,di-P-toluidinium salt p-toluidine hemi(1H-indol-3-yl phosphate) (CAS 103404-81-5)
- 3-Indoxyl phosphate, bis(2-amino-2-methyl-1,3-propanediol) salt (CAS 107475-12-7)
- 3-Indoxyl Sulfate-d4 Potassium Salt (CAS 1346601-03-3)
- 1-Acetyl-3-indoxyl Sulfate 1797979-31-7 (CAS 1797979-31-7)
- 3-Indoxyl-β-D-glucuronic acid cyclohexylammonium salt (CAS 35804-66-1)
- Indoxyl-beta-D-glucoside (CAS 487-60-5)
Recommended Standards
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- 1-methyl-1H-indole-6-sulfonyl chloride (CAS 1041469-95-7)
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- N-(3-acetylphenyl)-4-(tert-butyl)benzenesulfonamide (CAS 338966-24-8)
- 7-Methoxy-2-(trifluoromethyl)pyrazolo[1,5-a]pyridin-4-amine (CAS 1454802-86-8)
- N-(propan-2-yl)cyclobutanamine (CAS 1250638-67-5)
- 2-(Benzylamino)-2-oxoacetic acid (CAS 6345-08-0)
- N-(4-Bromobenzylidene)-4H-1,2,4-triazol-4-amine (CAS 32787-79-4)
- Semaglutide impurity 70 (CAS CATO-C4X-222670)
Why CATO?
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