4,5-Dihydroxy-2,7-Naphthalenedisulfonic Acid CAS 148-25-4
Purity >95%In StockPharmaceutical Standards
| CAS No. | 148-25-4 |
| Molecular Formula | C10H8O8S2 |
| Molecular Weight | 320.30 g/mol |
| Category | Pharmaceutical Standards / API Standards |
| Availability | In Stock |
Chemical Structure
Description
CATO supplies 4,5-Dihydroxy-2,7-Naphthalenedisulfonic Acid (CAS 148-25-4), a pharmaceutical standards reference standard manufactured under ISO 17034 accreditation. Molecular formula: C10H8O8S2. Molecular weight: 320.30 g/mol. Batch-specific COA and technical support are available on request.
Physical & Chemical Properties
| Molecular Formula | C10H8O8S2 |
| Molecular Weight | 320.30 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) | 7.0 |
| UV Absorption | UV-absorbing |
| Structural Features | Aromatic ring present |
| CAS Registry Year (est.) | 1957 |
| Sulfur Atoms | 2 |
Related Dihydroxy Standards
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- Dexrazoxane Impurity 46 (CAS 1029441-44-8)
- 21124-33-4 Ammonium diethyldithiocarbamate diethylcarbamodithioic acid, ammonia salt (CAS 21124-33-4)
- 1-Methylindole-3-acetic Acid (CAS 1912-48-7)
- 3-Fluoro-1-methyl-5-(methylsulfonyl)-1H-1,2,4-triazole (CAS 214540-58-6)
- 2-Amino-6-(4-methylphenyl)pyridine-3,4,5-tricarbonitrile (CAS 478081-23-1)
- 2-((4-Isopropylphenyl)sulfonyl)-2-(pyridin-3-yl)ethan-1-amine (CAS 938379-01-2)
- 1,2,3,4-Tetrahydroisoquinoline-2-carboximidamide hydroiodide (CAS 1052540-65-4)
- Myristoyl Pentapeptide -4 acetate (CAS 959610-30-1(free base))
Why CATO?
- ISO 17034 accredited reference material producer (CNAS + ANAB dual accreditation)
- 130,000+ catalog items in stock, COA supplied with every batch
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