Phenolphthalein disulfate potassium salt hydrate CAS 62625-16-5
Purity 97%+In StockPharmaceutical Standards
| CAS No. | 62625-16-5 |
| Molecular Formula | C20H13O11S2 3*K H2O |
| Molecular Weight | N/A |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
Phenolphthalein disulfate potassium salt hydrate (CAS 62625-16-5) is a high-purity pharmaceutical standards reference standard from CATO, an ISO 17034 accredited reference material producer. Molecular formula: C20H13O11S2 3*K H2O. Each batch is supplied with a Certificate of Analysis (COA).
Physical & Chemical Properties
| Molecular Formula | C20H13O11S2 3*K H2O |
| Molecular Weight | 550.55 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 |
| Degree of Unsaturation (DBE) | 13.5 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1974 |
| Sulfur Atoms | 2 |
Related Phenolphthalein Standards
- Phenolphthalein monophosphate (dicyclohexylammonium) (CAS 14815-59-9)
- Phenolphthalein β-D-Glucuronide (CAS 15265-26-6)
- Phenolphthalein complex indicator (CAS 25296-54-2)
- Phenolphthalein Disodium Salt (CAS 518-51-4)
- Phenolphthalein anilide (CAS 6607-41-6)
- Phenolphthalein 4′-O-β-D-glucuronide, sodium salt (CAS 6820-54-8)
- 68807-90-9 Phenolphthalein diphosphate tetrasodium salt sodium 4,4'-(3-oxo-1,3-dihydroisobenzofuran-1,1-diyl)bis(4,1-phenylene) diphosphate (CAS 68807-90-9)
- Phenolphthalein (CAS 77-09-8)
Recommended Standards
- 3-Bromo-5,6-dichloro-2-fluorobenzonitrile (CAS 1160574-17-3)
- (2S,3S)-trans-3-(Carboxymethyl)-azetidine-2-acetic Acid (CAS 185387-36-4)
- 2-acetyl-3-fluorocyclohex-2-en-1-one (CAS 134614-45-2)
- N-(Furan-3-ylmethyl)cyclobutanamine (CAS 741698-89-5)
- Methyl 3-(3-methylthiophen-2-yl)-3-oxopropanoate (CAS 1379312-51-2)
- (R)-2-Benzylpyrrolidine (CAS 63328-13-2)
- Semaglutide impurity 99 (CAS CATO-C4X-222699)
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
- Worldwide shipping with full export documentation (HS code guidance available)
- Technical support: +86 13829788188 / jacky.chen@cato-chem.com