4-Carboxy-2,6-bis(4-methoxy-3-sulfophenyl)pyridin-1-ium perchlorate CAS 91788-39-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 91788-39-5 |
| Molecular Formula | C20H18NO10S2 ClO4 |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
4-Carboxy-2,6-bis(4-methoxy-3-sulfophenyl)pyridin-1-ium perchlorate (CAS 91788-39-5) reference standard, produced by CATO (ISO 17034 / CNAS / ANAB accredited). Molecular formula: C20H18NO10S2 ClO4. Trusted by 10,000+ laboratories worldwide for pharmaceutical analysis and QC.
Physical & Chemical Properties
| Molecular Formula | C20H18NO10S2 ClO4 |
| Molecular Weight | 595.93 g/mol |
| Purity | 97%+ |
| Storage | Store at room temperature, protect from light, keep sealed and dry |
| Solubility (reference) | Soluble in methanol, acetonitrile, DMSO, water (slightly soluble) |
| Stability | May oxidize slowly on prolonged air exposure; Light-sensitive; avoid direct strong light; Contains ester bond; hydrolyzes under strong alkaline conditions |
| Degree of Unsaturation (DBE) | 12.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1983 |
| Halogen Content | Cl-containing |
| Nitrogen Atoms | 1 |
| Sulfur Atoms | 2 |
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Recommended Standards
- N-(2,4-Dimethoxyphenyl)-2-((3-(4-methoxyphenyl)-4-oxo-3,4,5,6,7,8-hexahydrobenzo[4,5]thieno[2,3-d]pyrimidin-2-yl)thio)acetamide (CAS 477330-27-1)
- Bis[Trimethyl-3-[[(Undecafluoropentyl)Sulphonyl]Amino]Propylammonium] Sulphate (CAS 70225-24-0)
- Methyl 2-chloro-3-methoxyisonicotinate (CAS 1214387-44-6)
- 4-((4-Chlorophenyl)thio)-5-morpholino-2-(p-tolyl)pyridazin-3(2H)-one (CAS 551921-37-0)
- (2Z)-2-(Acetylamino)-3-(4-methylphenyl)-2-propenoic acid (CAS 93634-59-4)
- Desmopressin Impurity 45 (CAS 2251748-64-6)
- Acetyl Tetrapeptide-5 (CAS 820959-17-9)
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